# 40+ Hardware Projects You Can Build Over the Holidays Browse 40+ cool hardware project ideas, including IoT, robotics, motor control, drones, and smart home devices you can fork and build today. Written by [Jharwin Barrozo](https://flux.seobdtools.com/jharwinbarrozo) Published Oct 2026 - 7 min read [![40+ open-source hardware projects you can build over the holidays with Flux](https://flux.seobdtools.com/p/assets/blogs/projects-you-can-build-over-the-holidays/main.webp)](#) ## The holiday season is the perfect time to dive into new hobbies or finally tackle that hardware project you’ve been putting off. For electronics enthusiasts, it’s an ideal opportunity to explore open-source hardware projects that combine creativity, learning, and hands-on building. From IoT and smart home devices to motor controllers and drones, there are simple hardware projects for everyone. Plus, working on open-source designs lets you collaborate with a global community of creators, share ideas, and customize boards to make them your own. Whether you’re a seasoned maker or just starting out, these 40+ open-source hardware projects are sure to inspire and challenge you. Simply **open any project** and **fork** it to get an instant head start on your custom design. ### Internet of Things (IoT) Create smart devices that automate tasks, monitor your environment, or connect to your smart home setup. [![](https://flux.seobdtools.com/p/assets/holiday-projects/6728da17101cad04e006ec82_VL53L0CXV0DH.webp)](https://flux.seobdtools.com/vasy_skral/vl53l0cxv0dh-reference-design?editor=pcb_3d) [ Distance sensor TOF ](https://flux.seobdtools.com/vasy_skral/vl53l0cxv0dh-reference-design?editor=pcb_3d) Distance sensor modules time-of-flight (ToF) ranging sensor [![](https://flux.seobdtools.com/p/assets/holiday-projects/672a3fd5db6e9de6d90ae8e7_particle-p2-template.webp)](https://flux.seobdtools.com/vasy_skral/particle-p2-iot-template?editor=pcb_3d) [ Particle P2 template ](https://flux.seobdtools.com/vasy_skral/particle-p2-iot-template?editor=pcb_3d) An IoT templates for an Particle-P2 RF module [![](https://flux.seobdtools.com/p/assets/holiday-projects/672a404b955a522e61db9259_rpi-pico-template.webp)](https://flux.seobdtools.com/vasy_skral/rpi-pico-iot-template?editor=pcb_3d) [ Raspberry pi pico template ](https://flux.seobdtools.com/vasy_skral/rpi-pico-iot-template?editor=pcb_3d) An IoT templates for an RP2040 MCU from Raspberry Pi Pico Development board [![](https://flux.seobdtools.com/p/assets/holiday-projects/6728d7e8c104da29c0fdd2cd_ble-door-window-sensor.webp)](https://flux.seobdtools.com/vasy_skral/ble-door-and-window-sensor-reference-design?editor=pcb_3d) [ BLE door/window sensor ](https://flux.seobdtools.com/vasy_skral/ble-door-and-window-sensor-reference-design?editor=pcb_3d) This project is a BLE door and window sensor design that uses a U-blox BMD-330-A-R for BLE communication, a reed switch as a sensor, a multi-color LED for status display, and is powered by VBAT. [![](https://flux.seobdtools.com/p/assets/holiday-projects/6728d737fa4a059cb71a6ac9_ble-encoder-project.webp)](https://flux.seobdtools.com/vasy_skral/ble-encoder?editor=pcb_3d) [ BLE encoder ](https://flux.seobdtools.com/vasy_skral/ble-encoder?editor=pcb_3d) Bluetooth Low Energy(BLE) remote control board. [![](https://flux.seobdtools.com/p/assets/holiday-projects/6728da0c4c42f7a1ec006174_LTR-390UV-01.webp)](https://flux.seobdtools.com/vasyl/ltr-390uv-01-reference-design?editor=pcb_3d) [ Ambient light and UV sensor ](https://flux.seobdtools.com/vasyl/ltr-390uv-01-reference-design?editor=pcb_3d) Provides both ambient light and UV sensing with UV spectral response from 280nm to 430nm and raw data output. [![](https://flux.seobdtools.com/p/assets/holiday-projects/6732eaecc30089b76279b3e5_gpad.webp)](https://flux.seobdtools.com/jharwinbarrozo/general-purpose-alarm-device?editor=pcb_3d) [ GPAD by Public Invention ](https://flux.seobdtools.com/jharwinbarrozo/general-purpose-alarm-device?editor=pcb_3d) A general purpose alarm device (with software) as a module for medical devices (and others) [![](https://flux.seobdtools.com/p/assets/holiday-projects/6729ae39c32f2abc04bc7da8_motion-detector.webp)](https://flux.seobdtools.com/vasyl/motion-detector-reference-design?editor=pcb_3d) [ Motion detector ](https://flux.seobdtools.com/vasyl/motion-detector-reference-design?editor=pcb_3d) Motion detector circuit using an ESP32 microcontroller and PIR sensor [![](https://flux.seobdtools.com/p/assets/holiday-projects/6728dea1f96b5376f217e0ff_RFID-lock.webp)](https://flux.seobdtools.com/vasy_skral/rfid-lock-reference-design?editor=pcb_3d) [ RFID lock ](https://flux.seobdtools.com/vasy_skral/rfid-lock-reference-design?editor=pcb_3d) Features an RC522 RFID reader for identification, controlled by an STM32F103C8T6 MCU [![](https://flux.seobdtools.com/p/assets/holiday-projects/67293a6b79e5394a647dbf3b_portable-lorawan.webp)](https://flux.seobdtools.com/vasyl/portable-lorawan-board?editor=pcb_3d) [ Portable LoRaWAN ](https://flux.seobdtools.com/vasyl/portable-lorawan-board?editor=pcb_3d) A board with a lora module (which can be programmed) and the ability to work autonomously from a battery and a solar panel [![](https://flux.seobdtools.com/p/assets/holiday-projects/67327bf5a76c8eafe39fcca8_smart-vending-system.webp)](https://flux.seobdtools.com/victorobaro/smart-vending-system-control-board?editor=pcb_3d) [ Smart Vending System Control Board ](https://flux.seobdtools.com/victorobaro/smart-vending-system-control-board?editor=pcb_3d) A control board for a smart vending machine [![](https://flux.seobdtools.com/p/assets/holiday-projects/6728dd78f0ecc596cb55d2c4_gas-leakage-detector-sensor.webp)](https://flux.seobdtools.com/vasy_skral/lora-gas-leakage-detector-module?editor=pcb_3d) [ Gas leakage detector ](https://flux.seobdtools.com/vasy_skral/lora-gas-leakage-detector-module?editor=pcb_3d) It features a BME680 gas sensor by Bosch Sensortec. It includes a Seeed LoRa module for RF communication and uses an MCU. [![](https://flux.seobdtools.com/p/assets/holiday-projects/6728dcd523283f5adf2b3d25_Light-sensitive-led.webp)](https://flux.seobdtools.com/vasyl/light-sensitive-led-reference-design?editor=pcb_3d) [ Light-sensitive sensor ](https://flux.seobdtools.com/vasyl/light-sensitive-led-reference-design?editor=pcb_3d) It interfaces with a TEMT6000X01 light sensor and controls a multi-colored LED. [![](https://flux.seobdtools.com/p/assets/holiday-projects/6729b121fa02c1674d4f7e9a_plant-monitoring-system.webp)](https://flux.seobdtools.com/jharwinbarrozo/plant-monitoring-system-iot-template?editor=pcb_3d) [ Plant monitoring system template ](https://flux.seobdtools.com/jharwinbarrozo/plant-monitoring-system-iot-template?editor=pcb_3d) A plant monitoring system that uses an ESP32-S3-MINI-1U-N8 microcontroller to automate plant care tasks. [![](https://flux.seobdtools.com/p/assets/holiday-projects/672926c520b3d9298d70a0da_green-dot-board.webp)](https://flux.seobdtools.com/seeedstudio/the-green-dot-2040e5-board?editor=pcb_3d) [ Green dot board ](https://flux.seobdtools.com/seeedstudio/the-green-dot-2040e5-board?editor=pcb_3d) An IoT node that interfaces RS485 Sensor probes and can log information to the cloud using LoRa Connectivity. [![](https://flux.seobdtools.com/p/assets/holiday-projects/6728d72da308a059c2959df5_bee-hotel.webp)](https://flux.seobdtools.com/markwuflux/sf-hackathon-2023-bee-hotel-r0p5?editor=pcb_3d) [ Bee hotel ](https://flux.seobdtools.com/markwuflux/sf-hackathon-2023-bee-hotel-r0p5?editor=pcb_3d) Bring smart IoT capabilities to homes for native bees [![](https://flux.seobdtools.com/p/assets/holiday-projects/6728da2b20583de564172d6b_PGA300ARHHR.webp)](https://flux.seobdtools.com/vasyl/pga300arhhr-reference-design?editor=pcb_3d) [ Pressure sensor signal conditioner ](https://flux.seobdtools.com/vasyl/pga300arhhr-reference-design?editor=pcb_3d) Signal conditioner and transmitter for pressure sensors [![](https://flux.seobdtools.com/p/assets/holiday-projects/673217b5f0b43c66b858ff63_rpi-pico-2-template.webp)](https://flux.seobdtools.com/vasy_skral/raspberry-pi-pico-2-iot-template?editor=pcb_3d) [ Raspberry pi pico 2 template ](https://flux.seobdtools.com/vasy_skral/raspberry-pi-pico-2-iot-template?editor=pcb_3d) An IoT templates for an RP2350A MCU from Raspberry Pi Pico 2 Development board [![](https://flux.seobdtools.com/p/assets/holiday-projects/6729af05fc86a9943758b81b_doorbell-with-camera.webp)](https://flux.seobdtools.com/vasyl/doorbell-with-camera-reference-design?editor=pcb_3d) [ Doorbell with camera ](https://flux.seobdtools.com/vasyl/doorbell-with-camera-reference-design?editor=pcb_3d) A doorbell system reference design with an integrated camera. [![](https://flux.seobdtools.com/p/assets/holiday-projects/6728d863ddc97a1d2014368b_lora-temp-sensor.webp)](https://flux.seobdtools.com/vasyl/lora-temperature-sensor-reference-design?editor=pcb_3d) [ LoRA temperature sensor ](https://flux.seobdtools.com/vasyl/lora-temperature-sensor-reference-design?editor=pcb_3d) It uses the RP2040 microcontroller and a SHT31 temperature sensor and also RFM95 for LoRa communication [![](https://flux.seobdtools.com/p/assets/holiday-projects/6728d73f92d151ca8117c26a_avocaudio.webp)](https://flux.seobdtools.com/collinsemasi/avocaudio-a-tinyml-community-board-v1?editor=pcb_3d) [ Avocaudio ](https://flux.seobdtools.com/collinsemasi/avocaudio-a-tinyml-community-board-v1?editor=pcb_3d) AvocAudio is a compact tinyML community board designed for extensive audio data collection for various tinyML applications. [![](https://flux.seobdtools.com/p/assets/holiday-projects/6729ab6231f07097dd1ad297_esp32-wroom-32e-template.webp)](https://flux.seobdtools.com/vasy_skral/esp32-wroom-32e-iot-templates?editor=pcb_3d) [ ESP32-WROOM-32E template ](https://flux.seobdtools.com/vasy_skral/esp32-wroom-32e-iot-templates?editor=pcb_3d) This project is a IoT templates for an ESP32-WROOM-32E based device [![](https://flux.seobdtools.com/p/assets/holiday-projects/6728d8c69f9378216a5a27aa_ultrasonic-distance-sensor.webp)](https://flux.seobdtools.com/vasy_skral/ultrasonic-distance-meter-reference-design?editor=pcb_3d) [ Ultrasonic distance sensor ](https://flux.seobdtools.com/vasy_skral/ultrasonic-distance-meter-reference-design?editor=pcb_3d) This circuit is an ultrasonic distance meter based on an ATTiny2313 microcontroller. [![](https://flux.seobdtools.com/p/assets/holiday-projects/673291b02ca65f6b9fe268a1_weather-station.webp)](https://flux.seobdtools.com/wolfxpac/weather-station?editor=pcb_3d) [ Weather Station ](https://flux.seobdtools.com/wolfxpac/weather-station?editor=pcb_3d) Weather Station Logger project employs the versatile ESP32 microcontroller board ### Motor Controllers Learn about motor control by building systems for robotics, drones, or other machinery. [![](https://flux.seobdtools.com/p/assets/holiday-projects/67321a6ced7ec2e73b3d10d2_DRV8833-motor-controller.webp)](https://flux.seobdtools.com/vasy_skral/drv8833-motor-controller-template?editor=pcb_3d) [ DRV8833 Motor Controller ](https://flux.seobdtools.com/vasy_skral/drv8833-motor-controller-template?editor=pcb_3d) This project is a Motor Controller based on DRV8833 Dual H-Bridge Motor Driver [![](https://flux.seobdtools.com/p/assets/holiday-projects/6732a3a6fdff76865fcab432_qwiic-fan-controller.webp)](https://flux.seobdtools.com/adrian95/qwiic-pc-fan-controller?editor=pcb_3d) [ Qwiic PC Fan Controller ](https://flux.seobdtools.com/adrian95/qwiic-pc-fan-controller?editor=pcb_3d) Qwiic PC Fan Controller allows you easily control almost any PC fan over the Qwiic bus using the on board ATtiny microcontroller and control firmware. [![](https://flux.seobdtools.com/p/assets/holiday-projects/673218ac468b3ea5d09f2bf1_unipolar-stepper-motor-controller.webp)](https://flux.seobdtools.com/vasy_skral/unipolar-stepper-motor-controller-uln2004a-template?editor=pcb_3d) [ Unipolar Stepper Motor Controller ULN2004A ](https://flux.seobdtools.com/vasy_skral/unipolar-stepper-motor-controller-uln2004a-template?editor=pcb_3d) This project is a Unipolar Stepper Motor Controller based on ULN2004A template [![](https://flux.seobdtools.com/p/assets/holiday-projects/673295f575d20e8130ccb445_h-bridge-circuit.webp)](https://flux.seobdtools.com/vasy_skral/h-bridge-circuit?editor=pcb_3d) [ H-bridge circuit ](https://flux.seobdtools.com/vasy_skral/h-bridge-circuit?editor=pcb_3d) A H-Bridge Circuit used to control the rotation direction of a DC motor. [![](https://flux.seobdtools.com/p/assets/holiday-projects/67329d57ecca1c94b59f11af_big-easy-driver.webp)](https://flux.seobdtools.com/adrian95/big-easy-driver-v2?editor=pcb_3d) [ A4988 Big Easy Driver ](https://flux.seobdtools.com/adrian95/big-easy-driver-v2?editor=pcb_3d) The Big Easy Driver is a stepper motor driver board for bipolar stepper motors up to a max 2A/phase. [![](https://flux.seobdtools.com/p/assets/holiday-projects/673219c719600d8938046e9c_dual-h-bridge-motor-driver.webp)](https://flux.seobdtools.com/vasy_skral/l298n-dual-h-bridge-motor-driver-template?editor=pcb_3d) [ L298N dual H-bridge motor driver ](https://flux.seobdtools.com/vasy_skral/l298n-dual-h-bridge-motor-driver-template?editor=pcb_3d) This project is a dual channel DC motor controller based on L298N [![](https://flux.seobdtools.com/p/assets/holiday-projects/673279902151272b8c78da2f_arduino-nano-rp2040-2motor-shield.webp)](https://flux.seobdtools.com/jharwinbarrozo/arduino-nano-rp2040-2-channel-motor-shield?editor=pcb_3d) [ Arduino Nano RP2040 2-channel Motor Shield ](https://flux.seobdtools.com/jharwinbarrozo/arduino-nano-rp2040-2-channel-motor-shield?editor=pcb_3d) Arduino Nano(PR2040) motor shield, with two channels and A4988 driver. [![](https://flux.seobdtools.com/p/assets/holiday-projects/67327bf5a76c8eafe39fcca8_smart-vending-system.webp)](https://flux.seobdtools.com/victorobaro/smart-vending-system-control-board?editor=pcb_3d) [ Smart Vending System Control Board ](https://flux.seobdtools.com/victorobaro/smart-vending-system-control-board?editor=pcb_3d) A control board for a smart vending machine [![](https://flux.seobdtools.com/p/assets/holiday-projects/67335474a9dc9e5754485408_h-bridge-esc-radio.webp)](https://flux.seobdtools.com/devaw988/h-bridge-esc-plus-radio?editor=pcb_3d) [ H-bridge ESC + Radio ](https://flux.seobdtools.com/devaw988/h-bridge-esc-plus-radio?editor=pcb_3d) An all in one programmable board for FPV RC cars. Uses an H bridge to drive a brushed motor. [![](https://flux.seobdtools.com/p/assets/holiday-projects/67321955a36ce7bf1775fd20_2-phase-bipolar-stepper-motor-controller.webp)](https://flux.seobdtools.com/vasy_skral/l297l298n-two-phase-bipolar-stepper-motor-template?editor=pcb_3d) [ 2-phase bipolar stepper motor template ](https://flux.seobdtools.com/vasy_skral/l297l298n-two-phase-bipolar-stepper-motor-template?editor=pcb_3d) This project is a two phase bipolar stepper motor based on L297/L298N [![](https://flux.seobdtools.com/p/assets/holiday-projects/67329a5a610009dcf7706cb0_ebike-battery-dongle.webp)](https://flux.seobdtools.com/jecstronic/yamaha-accu-dongle?editor=pcb_3d) [ eBike Motor Battery Dongle ](https://flux.seobdtools.com/jecstronic/yamaha-accu-dongle?editor=pcb_3d) Battery Dongle for allowing any suitable Battery to be attached to Yamaha ebike motors. [![](https://flux.seobdtools.com/p/assets/holiday-projects/673248f886b72e6d137efd90_619-j-stepper.webp)](https://flux.seobdtools.com/jharwinbarrozo/619-j-stepper?editor=pcb_3d) [ 619 J Stepper ](https://flux.seobdtools.com/jharwinbarrozo/619-j-stepper?editor=pcb_3d) An open source microcontroller board used to drive a stepper motor in closed loop mode. [![](https://flux.seobdtools.com/p/assets/holiday-projects/67327aead7aabfb4d453e43d_steep-yellow-flubber.webp)](https://flux.seobdtools.com/torn8to/steep-yellow-flubber?editor=pcb_3d) [ Steep Yellow Flubber ](https://flux.seobdtools.com/torn8to/steep-yellow-flubber?editor=pcb_3d) A small UGV based with 4x brushless motor drivers with Wifi and lora connectivity ### Drones From quadcopters to autonomous gliders, drone projects are perfect for those who love to build and pilot flying machines. [![](https://flux.seobdtools.com/p/assets/holiday-projects/67329802e7888a23d0c601a5_pico-quadcopter.webp)](https://flux.seobdtools.com/rafaelzasas/drone?editor=pcb_3d) [ Raspberry Pi Pico Quadcopter Drone ](https://flux.seobdtools.com/rafaelzasas/drone?editor=pcb_3d) This PCB is for a quad copter drone. The drone will use a 4S lipo battery as a power supply and each of the motors will use 30Amp ESC's [![](https://flux.seobdtools.com/p/assets/holiday-projects/673354f6e78806f61b778512_ESP32-S3-AI-FPV-Camera.webp)](https://flux.seobdtools.com/vasyl/esp32-s3-ai-fpv-camera?editor=pcb_3d) [ ESP32-S3 AI FPV Camera ](https://flux.seobdtools.com/vasyl/esp32-s3-ai-fpv-camera?editor=pcb_3d) An AI camera board for FPV drones based on the ESP32-S3, processes the data and sends commands to the controller via UART. [![](https://flux.seobdtools.com/p/assets/holiday-projects/67335474a9dc9e5754485408_h-bridge-esc-radio.webp)](https://flux.seobdtools.com/devaw988/h-bridge-esc-plus-radio?editor=pcb_3d) [ H-bridge ESC + Radio ](https://flux.seobdtools.com/devaw988/h-bridge-esc-plus-radio?editor=pcb_3d) An all in one programmable board for FPV RC cars. Uses an H bridge to drive a brushed motor. [![](https://flux.seobdtools.com/p/assets/holiday-projects/67328a351c098d2ae1460703_hadesfcs.webp)](https://flux.seobdtools.com/jharwinbarrozo/hadesfcs?editor=pcb_3d) [ HadesFCS ](https://flux.seobdtools.com/jharwinbarrozo/hadesfcs?editor=pcb_3d) Complete flight control system designed from scratch. Hardware designed with Flux. [![](https://flux.seobdtools.com/p/assets/holiday-projects/67328128d8cddf2be8498e2a_esp32-drone.webp)](https://flux.seobdtools.com/vasy_skral/esp32-drone?editor=pcb_3d) [ ESP32 Drone ](https://flux.seobdtools.com/vasy_skral/esp32-drone?editor=pcb_3d) ESP32 Tiny Drone by Jon VB ### Smart Home Design plant monitoring system, gas leakage detector, sensors, or security systems to enhance your living space. [![](https://flux.seobdtools.com/p/assets/holiday-projects/6729af05fc86a9943758b81b_doorbell-with-camera.webp)](https://flux.seobdtools.com/vasyl/doorbell-with-camera-reference-design?editor=pcb_3d) [ Doorbell with camera ](https://flux.seobdtools.com/vasyl/doorbell-with-camera-reference-design?editor=pcb_3d) A doorbell system reference design with an integrated camera. [![](https://flux.seobdtools.com/p/assets/holiday-projects/6728dd78f0ecc596cb55d2c4_gas-leakage-detector-sensor.webp)](https://flux.seobdtools.com/vasy_skral/lora-gas-leakage-detector-module?editor=pcb_3d) [ Gas leakage detector ](https://flux.seobdtools.com/vasy_skral/lora-gas-leakage-detector-module?editor=pcb_3d) It features a BME680 gas sensor by Bosch Sensortec. It includes a Seeed LoRa module for RF communication and uses an MCU. [![](https://flux.seobdtools.com/p/assets/holiday-projects/673291b02ca65f6b9fe268a1_weather-station.webp)](https://flux.seobdtools.com/wolfxpac/weather-station?editor=pcb_3d) [ Weather Station ](https://flux.seobdtools.com/wolfxpac/weather-station?editor=pcb_3d) Weather Station Logger project employs the versatile ESP32 microcontroller board [![](https://flux.seobdtools.com/p/assets/holiday-projects/67324b3e7f91eca9cf494bb1_pet-tracking.webp)](https://flux.seobdtools.com/vasyl/pet-tracker-device?editor=pcb_3d) [ Pet Tracking Device ](https://flux.seobdtools.com/vasyl/pet-tracker-device?editor=pcb_3d) Pet tracker connects with network by SIM800L module connected to the STM [![](https://flux.seobdtools.com/p/assets/holiday-projects/6728dea1f96b5376f217e0ff_RFID-lock.webp)](https://flux.seobdtools.com/vasy_skral/rfid-lock-reference-design?editor=pcb_3d) [ RFID lock ](https://flux.seobdtools.com/vasy_skral/rfid-lock-reference-design?editor=pcb_3d) Features an RC522 RFID reader for identification, controlled by an STM32F103C8T6 MCU [![](https://flux.seobdtools.com/p/assets/holiday-projects/6732eaecc30089b76279b3e5_gpad.webp)](https://flux.seobdtools.com/jharwinbarrozo/general-purpose-alarm-device?editor=pcb_3d) [ GPAD by Public Invention ](https://flux.seobdtools.com/jharwinbarrozo/general-purpose-alarm-device?editor=pcb_3d) A general purpose alarm device (with software) as a module for medical devices (and others) [![](https://flux.seobdtools.com/p/assets/holiday-projects/6728d7e8c104da29c0fdd2cd_ble-door-window-sensor.webp)](https://flux.seobdtools.com/vasy_skral/ble-door-and-window-sensor-reference-design?editor=pcb_3d) [ BLE door/window sensor ](https://flux.seobdtools.com/vasy_skral/ble-door-and-window-sensor-reference-design?editor=pcb_3d) This project is a BLE door and window sensor design that uses a U-blox BMD-330-A-R for BLE communication, a reed switch as a sensor, a multi-color LED for status display, and is powered by VBAT. [![](https://flux.seobdtools.com/p/assets/holiday-projects/6729b121fa02c1674d4f7e9a_plant-monitoring-system.webp)](https://flux.seobdtools.com/jharwinbarrozo/plant-monitoring-system-iot-template?editor=pcb_3d) [ Plant monitoring system template ](https://flux.seobdtools.com/jharwinbarrozo/plant-monitoring-system-iot-template?editor=pcb_3d) A plant monitoring system that uses an ESP32-S3-MINI-1U-N8 microcontroller to automate plant care tasks. [![](https://flux.seobdtools.com/p/assets/holiday-projects/6728da2b20583de564172d6b_PGA300ARHHR.webp)](https://flux.seobdtools.com/vasyl/pga300arhhr-reference-design?editor=pcb_3d) [ Pressure sensor signal conditioner ](https://flux.seobdtools.com/vasyl/pga300arhhr-reference-design?editor=pcb_3d) Signal conditioner and transmitter for pressure sensors [![](https://flux.seobdtools.com/p/assets/holiday-projects/6728da0c4c42f7a1ec006174_LTR-390UV-01.webp)](https://flux.seobdtools.com/vasyl/ltr-390uv-01-reference-design?editor=pcb_3d) [ Ambient light and UV sensor ](https://flux.seobdtools.com/vasyl/ltr-390uv-01-reference-design?editor=pcb_3d) Provides both ambient light and UV sensing with UV spectral response from 280nm to 430nm and raw data output. [![](https://flux.seobdtools.com/p/assets/holiday-projects/6728d8c69f9378216a5a27aa_ultrasonic-distance-sensor.webp)](https://flux.seobdtools.com/vasy_skral/ultrasonic-distance-meter-reference-design?editor=pcb_3d) [ Ultrasonic distance sensor ](https://flux.seobdtools.com/vasy_skral/ultrasonic-distance-meter-reference-design?editor=pcb_3d) This circuit is an ultrasonic distance meter based on an ATTiny2313 microcontroller. [![](https://flux.seobdtools.com/p/assets/holiday-projects/6728da17101cad04e006ec82_VL53L0CXV0DH.webp)](https://flux.seobdtools.com/vasy_skral/vl53l0cxv0dh-reference-design?editor=pcb_3d) [ Distance sensor TOF ](https://flux.seobdtools.com/vasy_skral/vl53l0cxv0dh-reference-design?editor=pcb_3d) Distance sensor modules time-of-flight (ToF) ranging sensor [![](https://flux.seobdtools.com/p/assets/holiday-projects/672a3fd5db6e9de6d90ae8e7_particle-p2-template.webp)](https://flux.seobdtools.com/vasy_skral/particle-p2-iot-template?editor=pcb_3d) [ Particle P2 template ](https://flux.seobdtools.com/vasy_skral/particle-p2-iot-template?editor=pcb_3d) An IoT templates for an Particle-P2 RF module [![](https://flux.seobdtools.com/p/assets/holiday-projects/6729ae39c32f2abc04bc7da8_motion-detector.webp)](https://flux.seobdtools.com/vasyl/motion-detector-reference-design?editor=pcb_3d) [ Motion detector ](https://flux.seobdtools.com/vasyl/motion-detector-reference-design?editor=pcb_3d) Motion detector circuit using an ESP32 microcontroller and PIR sensor [![](https://flux.seobdtools.com/p/assets/holiday-projects/67327bf5a76c8eafe39fcca8_smart-vending-system.webp)](https://flux.seobdtools.com/victorobaro/smart-vending-system-control-board?editor=pcb_3d) [ Smart Vending System Control Board ](https://flux.seobdtools.com/victorobaro/smart-vending-system-control-board?editor=pcb_3d) A control board for a smart vending machine ### Robotics Build robots that can be controlled by voice, follow lines, avoid obstacles, or even mimic human gestures. [![](https://flux.seobdtools.com/p/assets/holiday-projects/67473ec31fda6aea1a3bc395_servo-controller-with-MPU-robot-platform-template.webp)](https://flux.seobdtools.com/vasy_skral/servo-controller-with-mpu-robot-platform-template?editor=pcb_3d) [ Servo Controller with MPU Robot Platform template ](https://flux.seobdtools.com/vasy_skral/servo-controller-with-mpu-robot-platform-template?editor=pcb_3d) This is a Servo Controller Robotic Platform template with 9-axis MEMS sensor(Accelerometer, Gyroscope, Magnetometer). Can control up to 16 servo motors. [![](https://flux.seobdtools.com/p/assets/holiday-projects/672932bc640038a9914fd1f0_esp32-robot-controller.webp)](https://flux.seobdtools.com/jr98/esp32-robot-controller?editor=pcb_3d) [ ESP32 robot controller ](https://flux.seobdtools.com/jr98/esp32-robot-controller?editor=pcb_3d) Control board for autonomous or radio-controlled robots. [![](https://flux.seobdtools.com/p/assets/holiday-projects/6747403837627e01f8eef295_bluetooth-controlled-rc-car-template.webp)](https://flux.seobdtools.com/vasy_skral/bluetooth-controlled-rc-car-template?editor=pcb_3d) [ Bluetooth Controlled RC Car template ](https://flux.seobdtools.com/vasy_skral/bluetooth-controlled-rc-car-template?editor=pcb_3d) Bluetooth Controlled RC Car template with a dual channel DC motor controller based on L298N and E73-2G4M04S1A module with SoC nRF52810 on board [![](https://flux.seobdtools.com/p/assets/holiday-projects/673354f6e78806f61b778512_ESP32-S3-AI-FPV-Camera.webp)](https://flux.seobdtools.com/vasyl/esp32-s3-ai-fpv-camera?editor=pcb_3d) [ ESP32-S3 AI FPV Camera ](https://flux.seobdtools.com/vasyl/esp32-s3-ai-fpv-camera?editor=pcb_3d) An AI camera board for FPV drones based on the ESP32-S3, processes the data and sends commands to the controller via UART. [![](https://flux.seobdtools.com/p/assets/holiday-projects/67328a351c098d2ae1460703_hadesfcs.webp)](https://flux.seobdtools.com/jharwinbarrozo/hadesfcs?editor=pcb_3d) [ HadesFCS ](https://flux.seobdtools.com/jharwinbarrozo/hadesfcs?editor=pcb_3d) Complete flight control system designed from scratch. Hardware designed with Flux. [![](https://flux.seobdtools.com/p/assets/holiday-projects/67335474a9dc9e5754485408_h-bridge-esc-radio.webp)](https://flux.seobdtools.com/devaw988/h-bridge-esc-plus-radio?editor=pcb_3d) [ H-bridge ESC + Radio ](https://flux.seobdtools.com/devaw988/h-bridge-esc-plus-radio?editor=pcb_3d) An all in one programmable board for FPV RC cars. Uses an H bridge to drive a brushed motor. [![](https://flux.seobdtools.com/p/assets/holiday-projects/67323f402b1156130f493ebf_voice-controlled-toy-car.webp)](https://flux.seobdtools.com/vasy_skral/voice-controlled-toy-car?editor=pcb_3d) [ Voice Controlled Toy Car ](https://flux.seobdtools.com/vasy_skral/voice-controlled-toy-car?editor=pcb_3d) Voice Controlled Toy Car powered by the PocketBeagle single board computer ### Audio Devices Tinker with sound card, bluetooth speakers, or even build your own headphones. [![](https://flux.seobdtools.com/p/assets/holiday-projects/67473b04b9e2973357f5013a_esp32-stereo-mic.webp)](https://flux.seobdtools.com/vasy_skral/stereo-microphone-esp32-template?editor=pcb_3d) [ Stereo Microphone ESP32 Template ](https://flux.seobdtools.com/vasy_skral/stereo-microphone-esp32-template?editor=pcb_3d) This project is a dual channel SPH0645LM4H-B microphone controlled by ESP32 [![](https://flux.seobdtools.com/p/assets/holiday-projects/67473c15e5258cff993fce02_cs4344-sound-card-template.webp)](https://flux.seobdtools.com/vasy_skral/cs4344-sound-card-template?editor=pcb_3d) [ CS4344 Sound Card Template ](https://flux.seobdtools.com/vasy_skral/cs4344-sound-card-template?editor=pcb_3d) This project is a Sound Card CS4344 Audio Stereo DAC Template [![](https://flux.seobdtools.com/p/assets/holiday-projects/674735399df9d9b602adcda7_PCM5102-audio-stereo-dac-template.webp)](https://flux.seobdtools.com/vasy_skral/pcm5102-audio-stereo-dac-template?editor=pcb_3d) [ PCM5102 Audio Stereo DAC Template ](https://flux.seobdtools.com/vasy_skral/pcm5102-audio-stereo-dac-template?editor=pcb_3d) This project comprises a design for PCM5102 Audio Stereo DAC [![](https://flux.seobdtools.com/p/assets/holiday-projects/674734940c5f0fcba1699f8d_TPA3001D1-audio-amplifier.webp)](https://flux.seobdtools.com/vasy_skral/tpa3001d1-audio-amplifier-template?editor=pcb_3d) [ TPA3001D1 Audio Amplifier Template ](https://flux.seobdtools.com/vasy_skral/tpa3001d1-audio-amplifier-template?editor=pcb_3d) 20-W monaural bridge-tied load (BTL) class-D audio power amplifier ‍ ## Get Creative This Holiday Season This holiday season is a great time to try something new and unleash your creativity with these hardware project ideas. [Try Flux now for free!](https://flux.seobdtools.com/signup) ## About the author [Jharwin Barrozo](https://flux.seobdtools.com/jharwinbarrozo) Electronics Engineer at Flux Jharwin is an electronics engineer mainly focused on satellites. He built his own ground station using Flux to monitor RF activities on the International Space Station. Find him on Flux [@jharwinbarrozo](https://flux.ai/jharwinbarrozo) Let’s start building Build your big idea together with Flux. All you need to do is describe what you want to make, or what problem you want to solve. Flux will work with you to make it a reality. ![Close-up photo of a PCB made with Flux, with an ESP32 module, buttons, and a microSD slot.](https://flux.seobdtools.com/p/assets/blogs/miscellaneous/sidebar-cta-pcb.webp) [Try it Free](https://flux.seobdtools.com/signup) ## More in Step-by-Step Projects & Templates [ ![Two custom macro pads designed using Flux and powered by Raspberry Pi Pico. The pads feature 12 mechanical switches with per-key white keycaps, two rotary encoders for additional control, and a slide potentiometer for precise adjustments. Both boards are displayed with a vibrant purple PCB design, showcasing Flux's PCB editor and its newest AI Auto-Layout, and are compatible with popular manufacturer specifications.](https://flux.seobdtools.com/p/assets/blogs/rpi-macro-2/main.webp) ### Design Your Own Macropad With AI Auto-Layout 8 Min Read](https://flux.seobdtools.com/p/blog/how-to-design-a-custom-macro-pad-with-flux)[ ![This image features two main components: On the left is a detailed layout design of an electronic circuit board named "GREEN DOT 2040E5," dated 2023.11.11, and marked as made with Flux.AI. This board includes an RP2040 microcontroller at its heart, surrounded by various electronic components like resistors, capacitors, a switch, and interface connectors for peripherals, labeled with GPIO pins, I2C connections (SDA and SCL), ground (GND), and power supply inputs (3.3V, 5V, 12V). On the right, there's a physical representation of the IoT device, which is an assembled and operational LoRa IoT Sensor Node powered by a battery pack and RP2040 microcontroller. The node is connected to a long, black antenna, indicating its capability to communicate over LoRa (Long Range) wireless networks, commonly used in agriculture for remote monitoring and control. The setup suggests its application in smart agriculture solutions, utilizing IoT technology to collect and transmit data for agricultural purposes.](https://flux.seobdtools.com/p/assets/blogs/green-dot-board-how-to/main.webp) ### How to design and deploy a LoRa IoT sensor node with RP2040 14 Min Read](https://flux.seobdtools.com/p/blog/how-to-design-and-deploy-a-lora-iot-sensor-node-with-rp2040)[ ![Using copilot to help design a webcam based on Omnivision's image sensor. Half of the screen is about the schematic and half is about the pcb layout.](https://flux.seobdtools.com/p/assets/blogs/using-ai-to-design-webcam/main.webp) ### Using AI to Design a Webcam: An End-to-End Example 8 Min Read](https://flux.seobdtools.com/p/blog/using-ai-to-design-a-webcam-an-end-to-end-example)[ ![How to Design a Custom Keyboard PCB](https://flux.seobdtools.com/p/assets/blogs/how-to-design-a-keyboard-pcb/main.webp) ### How to Design a Custom Keyboard PCB 12 Min Read](https://flux.seobdtools.com/p/blog/how-to-design-a-keyboard-pcb)[ ![Arduino microcontroller board used in a home automation system project. Do it yourself or hobbyist level PCB board.](https://flux.seobdtools.com/p/assets/blogs/arduino-essential-guides/main.webp) ### Master DIY Electronics: Essential Guides to Arduino Projects 7 Min Read](https://flux.seobdtools.com/p/blog/master-diy-electronics-essential-guides-to-arduino-projects)[ ![Two blurred Arduino boards placed at the background and an upcoming Arduino Matter Board at the foreground. Arduino and Silicon Labs team up to make the Matter protocol accessible to all](https://flux.seobdtools.com/p/assets/blogs/arduino-matter/main.webp) ### Revolutionizing IoT Design: Flux Brings Arduino-Based Matter Projects to Life 4 Min Read](https://flux.seobdtools.com/p/blog/revolutionizing-iot-design-flux-brings-arduino-based-matter-projects-to-life)[ ![Different reference design PCB boards made with Flux](https://flux.seobdtools.com/p/assets/blogs/harnessing-power-reference-designs/main.webp) ### Harnessing the Power of Flux for Industrial Sensing Applications 8 Min Read](https://flux.seobdtools.com/p/blog/harnessing-the-power-of-flux-for-industrial-sensing-applications)[ ![Ryan, an electronics engineer holding an AI pin he created using Flux with the help of Copilot.](https://flux.seobdtools.com/p/assets/blogs/ai-pin-tutorial/main.webp) ### PCB Design Tutorial: AI Pendant 3 Min Read](https://flux.seobdtools.com/p/blog/pcb-design-tutorial-ai-pendant)[ ![Top 5 CES 2025 Hardware Projects You Can Build With Flux](https://flux.seobdtools.com/p/assets/blogs/ces2025-projects/main.webp) ### Top 5 CES 2025 Hardware Projects You Can Build With Flux 5 Min Read](https://flux.seobdtools.com/p/blog/top-5-ces-2025-hardware-projects-you-can-build-with-flux)[ ![Why you should start designing your PCB from a template](https://flux.seobdtools.com/p/assets/blogs/start-from-a-template/main.webp) ### Why you should start designing your PCB from a template 3 Min Read](https://flux.seobdtools.com/p/blog/why-you-should-start-designing-your-pcb-from-a-template)[ ![A user interface featuring a dialog box that appears at the start of each new project, providing a selection of pre-designed templates. This feature allows users to quickly initiate their designs by choosing from an array of pre-existing options tailored to different project types.](https://flux.seobdtools.com/p/assets/blogs/project-launcher/main.webp) ### Never Start from Scratch Again: Introducing the New Project Launcher 3 Min Read](https://flux.seobdtools.com/p/blog/never-start-from-scratch-again-introducing-the-new-project-launcher)[ ![Flux app screenshot with raspberry pi pico schematic diagram](https://flux.seobdtools.com/p/assets/blogs/raspberry-pi-pico-in-20mins/main.webp) ### Raspberry Pi Pico Schematic in 20 minutes using Flux Copilot 4 Min Read](https://flux.seobdtools.com/p/blog/raspberry-pi-pico-schematic-in-20-minutes-using-flux-copilot)[ ![Agri.iO revolutionizes farming with Flux](https://flux.seobdtools.com/p/assets/blogs/case-study-agri-io/main.webp) ### Agri.iO revolutionizes farming with Flux 4 Min Read](https://flux.seobdtools.com/p/blog/agri-io-revolutionizes-farming-with-flux)[ ![Tilt Tracker smart sensor mounted on a door lock, with a phone app showing the door is locked](https://flux.seobdtools.com/p/assets/blogs/case-study-tilt-tracker/main.webp) ### He'd never designed a PCB. Now Tilt Tracker is taking pre-orders. 6 Min Read](https://flux.seobdtools.com/p/blog/building-tilt-tracker-first-pcb-in-flux)[ ![Top 10 Popular Microcontrollers for Embedded Systems including STM32F103C8T6, ESP32, ESP8266, ATtiny85, PIC16F877A, ATmega32U4, ATmega328P, and more. Essential MCUs for IoT, DIY projects, and professional PCB designs with key features like Wi-Fi, USB, and Bluetooth support.](https://flux.seobdtools.com/p/assets/blogs/top-10-popular-mcu/main.webp) ### Design Your First PCB: 10 Popular Microcontrollers to Get Started 5 Min Read](https://flux.seobdtools.com/p/blog/design-your-first-pcb-10-popular-microcontrollers-to-get-started)[ ![New NextPCB Templates For More Streamlined Manufacturing](https://flux.seobdtools.com/p/assets/blogs/nextpcb-templates/main.webp) ### New NextPCB Templates For More Streamlined Manufacturing 4 Min Read](https://flux.seobdtools.com/p/blog/new-nextpcb-templates-for-more-streamlined-manufacturing)[ ![Flux + Seeed: From Template to PCB in Minutes](https://flux.seobdtools.com/p/assets/blogs/flux-to-seeed/main.webp) ### Flux + Seeed: From Template to PCB in Minutes 3 Min Read](https://flux.seobdtools.com/p/blog/flux-seeed-from-template-to-pcb-in-minutes) See All (17) ## Let’s start building. Let’s build your idea together. All you need to do is describe what you want to make, or what problem you want to solve. Flux will work with you to make it a reality. [Try it Free](https://flux.seobdtools.com/signup) ![Close-up of a Flux-designed printed circuit board](https://flux.seobdtools.com/p/assets/homepage-v2/mission-visual.webp)