01
OpenTrailPaper e-paper bike computer
Flash OpenTrailPaper v1.19 in a supported desktop browser to add offline maps, GPX navigation, FIT ride recording and BLE cycling sensors.
Open-source hardware projects worth building
Find Raspberry Pi, Arduino, ESP32 and programmable gadget projects with original code, exact hardware and guides for the next step.
78 entries02
pico-outrun native arcade engine port
Build the work-in-progress Cannonball engine port for Fruit Jam and run a legally owned OutRun revision B ROM set.
03
Game Bub firmware v1.0.1 update
Install Game Bub’s v1.0.1 bugfix release over USB and confirm the running version from the handheld settings.
04
ColecoJam ColecoVision emulator
Flash ColecoJam 1.1 to run lawfully dumped ColecoVision BIOS and cartridge images on an Adafruit Fruit Jam.
05
CircuitPython Breakout game
Build a keyboard-controlled Breakout game with HSTX video and optional piezo sound on the Metro RP2350.
06
Demofruit demoscene sampler
Flash six classic-style demoscene effects with tracker music, an animated launcher and button controls to Fruit Jam.
07
Shrike-lite FPGA LED blink
Load Vicharak’s tested LED bitstream through the RP2040 to blink the Shrike-lite’s FPGA-connected user LED.
08
CircuitPython sampling keyboard
Record a sound through an I2S microphone, then play it at different pitches from a USB MIDI keyboard.
09
MCUME Commodore 64 emulator
Flash Adafruit’s exact-board pico64 UF2 to run lawful Commodore 64 PRG files from a Fruit Jam microSD card.
10
retroJam multi-console emulator
Flash the Fruit Jam-specific retroJam UF2 to run legally acquired games from six classic systems from a microSD card.
11
CPZ Machine text-adventure interpreter
Run version 3 Z-machine text adventures on Fruit Jam with CircuitPython, DVI video, USB keyboard input and named saves.
12
Tiny Wiki for CircuitPython
Host a small Markdown-backed wiki from a Fruit Jam and microSD card for use on a trusted local network.
13
Fruit Jam OS CircuitPython launcher
Install Adafruit’s CircuitPython launcher, editor, built-in apps and games on the exact Fruit Jam board.
14
Flipper Zero official firmware
Build, inspect or extend the official open-source firmware that drives Flipper Zero's radio, NFC, infrared, GPIO and application system.
15
Momentum custom firmware
Community firmware distribution adding interface customization, extra protocols and an expanded app workflow for Flipper Zero.
16
Unleashed firmware
Alternative Flipper Zero firmware with community applications and protocol additions; users must follow local radio regulations.
17
Community BadUSB script collection
Educational USB automation payload collection for controlled lab systems and owned computers.
18
Flipper application catalog
Browse and package community applications distributed through the official Flipper mobile-app catalog pipeline.
19
Bruce firmware
Open-source ESP32 offensive-security toolkit for supported handheld boards, intended for authorized testing and education.
20
NEMO portal and Wi-Fi toolkit
ESP32 firmware combining captive-portal demonstrations, Wi-Fi test functions and infrared tools on supported M5Stack devices.
21
MicroHydra launcher and runtime
MicroPython-based application launcher and lightweight operating environment built specifically for Cardputer.
22
M5Stack Launcher
Install and manage firmware binaries from SD card or over the network across supported ESP32 handheld boards.
23
Cardputer factory user demo
Manufacturer reference firmware demonstrating Cardputer's keyboard, display, audio, storage and wireless hardware.
24
Cardputer AI offline chatbot
Run the project’s “8M” TinyTalk 2 chatbot entirely on the original Cardputer, without Wi-Fi, an API or an SD card.
25
Stack-chan desktop robot
Open-source palm-sized companion robot using an M5Stack display as an animated face with servo-driven movement.
26
M5Stack-Avatar animated face
Arduino library and examples for rendering expressive animated faces on M5Stack displays.
27
M5StickC PLUS2 user demo
Manufacturer demo exercising the PLUS2 display, buttons, IMU, RTC, buzzer and power functions.
28
AtomS3 user demo
Reference project for learning AtomS3 screen, button, IMU and infrared functions.
29
T-Display-S3 examples and factory test
Manufacturer Arduino examples and factory firmware covering the board's LCD, touch variants, power and peripherals.
30
T-Deck examples
Manufacturer code samples for T-Deck's display, keyboard, trackball, LoRa, audio and power hardware.
31
Meshtastic off-grid communicator
Run Meshtastic's open-source LoRa mesh firmware on supported T-Deck hardware for off-grid text and telemetry.
32
MeshCore companion radio
Build a decentralized text-messaging mesh node or companion device using the T-Deck's LoRa radio and local interface.
33
T-Embed examples
Manufacturer examples showing the T-Embed display, encoder, audio, storage and optional radio hardware.
34
XIAO host for SSCMA-Micro sensors
Use a XIAO ESP32S3 Sense as an Arduino host for a separate SSCMA-Micro-compatible vision sensor and read structured inference results.
35
XIAO ESP32S3 Sense camera web server
Manufacturer tutorial turns the camera board into a browser-viewable Wi-Fi video stream and photo capture device.
36
Browser-assisted face detection camera
Stream XIAO ESP32S3 Sense video to a browser, run MediaPipe face detection there, and emit structured detections over serial.
37
TinyML keyword spotting on XIAO ESP32S3 Sense
Train and deploy an audio keyword-spotting model that runs from the board's built-in microphone.
38
SenseCAP Watcher open-source firmware
Build and customize the device firmware and local sensing pipeline for the SenseCAP Watcher.
39
SenseCAP Watcher Home Assistant integration
Connect Watcher's local vision and voice-triggered events to Home Assistant automations.
40
Wio Terminal Arduino examples
Seeed's sketch collection demonstrates displays, sensors, wireless networking and Grove accessories on Wio-class boards.
41
UNO R4 WiFi examples
Inspect or rebuild the ESP32-S3 USB-bridge and connectivity firmware used alongside the UNO R4's Renesas processor.
42
UNO R4 LED Matrix animations
Use Arduino's official library and examples to draw frames and animations on the board's built-in 12×8 LED matrix.
43
MicroPython on Arduino Nano ESP32
Install MicroPython on the Nano ESP32 and run interactive scripts instead of the standard Arduino workflow.
44
Matter device examples for Nano ESP32
Create Matter-compatible lights, switches, sensors or plugs using the ESP32 Arduino core's official examples.
45
OpenMV machine vision on Nicla Vision
Program the camera and sensors through OpenMV's MicroPython-based computer-vision environment.
46
Nicla Vision custom image classification
Arduino's first-party tutorial trains and deploys a custom image-classification model on Nicla Vision with Edge Impulse.
47
Pi-hole network-wide ad blocker
Run a DNS sinkhole on a Raspberry Pi to block unwanted domains for devices across a home network.
48
OctoPrint 3D-printer controller
Control and monitor a networked 3D printer from a browser using the widely deployed open-source server.
49
Home Assistant OS hub
Turn a Raspberry Pi into a dedicated local home-automation hub with integrations, dashboards and automations.
50
MagicMirror² smart mirror
Build a modular full-screen information dashboard commonly mounted behind a two-way mirror.
51
BirdNET-Pi acoustic bird monitor
Continuously identify nearby bird calls from a microphone and publish detections through a local web interface.
52
PiKVM remote computer console
Build an open-source keyboard-video-mouse-over-IP appliance for remotely controlling another computer.
53
RetroPie retro-gaming system
Configure a Raspberry Pi as a multi-system retro-gaming setup using the project's installer and management scripts.
54
MotionEye network camera
Host a web-managed video-surveillance and motion-detection service connected to supported cameras.
55
Pico 2 W wireless examples
Official C/C++ examples cover Wi-Fi, Bluetooth, PIO, USB and peripherals across the Pico family.
56
Pico MicroPython examples
Official sample scripts demonstrate MicroPython hardware control and network features on Pico boards.
57
CircuitPython hotkey MacroPad
Assign per-application keyboard shortcuts, labels and encoder actions to the twelve-key MacroPad.
58
PyPortal weather station
Fetch online weather data over Wi-Fi and present forecasts and conditions on the touch display.
59
CLUE spirit level
Use the CLUE accelerometer and display to create a pocket digital bubble level.
60
CLUE sensor plotter
Plot live readings from CLUE's onboard sensors directly on its color screen with CircuitPython.
61
Feather ESP32-S3 TFT setup and examples
Use Adafruit's first-party hardware guide to configure CircuitPython or Arduino and exercise the TFT, Wi-Fi and peripherals.
62
Badger 2040 W example apps
Pimoroni's firmware and examples include badge, calendar, weather and information-display patterns for the e-paper device.
63
PicoVision official graphics stack
Official PicoVision firmware, MicroPython modules and examples demonstrate high-resolution digital video output and graphics.
64
PC/XT emulator for PicoVision
Run the project's PC/XT emulator frontend on PicoVision with CGA output, USB HID keyboard and mouse input, and a hard-disk image loaded from microSD.
65
ESP-BOX reference applications
Espressif's official component and example repository covers voice interaction, displays and sensor accessories for ESP-BOX kits.
66
ESP-BOX ChatGPT demo
Reference application connects ESP-BOX voice input and screen output to an online conversational API.
67
Home Assistant voice assistant for ESP32-S3-BOX-3
Flash the exact ESP32-S3-BOX-3 image to add a display-equipped Home Assistant Assist satellite with optional on-device wake-word detection.
68
uConsole Linux kernel and system support
ClockworkPi's source repository provides kernel patches, hardware configuration and system files for uConsole variants.
69
UPiCo RP2040 expansion card
Open hardware project adds an RP2040-based expansion card to uConsole for programmable I/O and custom peripherals.
70
Arduboy2 game framework examples
Use the core community library, templates and examples to create compact games for Arduboy hardware.
71
Playdate SDK example projects
Community Playdate SDK examples provide small, inspectable Lua projects for learning input, sprites, timing and device APIs.
72
CrankBoy Game Boy emulator
Open-source Game Boy emulator for Playdate demonstrates a substantial C-based handheld application and device integration.
73
Playorama crank-controlled video player
Open-source crank-controlled video player demonstrates media conversion and frame playback on Playdate.
74
PortaPack MAYHEM firmware
Open-source firmware turns HackRF plus PortaPack hardware into a portable spectrum-analysis and radio experimentation platform.
75
Dump1090 ADS-B receiver
Receive and decode aircraft ADS-B broadcasts with compatible SDR hardware and publish nearby flight data locally.
76
Universal Radio Hacker signal analysis
Capture, inspect, decode and generate digital radio signals in an authorized lab using HackRF as the RF front end.
77
InfiniTime smartwatch firmware
Community firmware provides watch faces, notifications, health tracking and device settings for PineTime.
78
wasp-os smartwatch firmware
MicroPython-oriented smartwatch OS supports PineTime with apps, watch faces and hackable embedded workflows.