BUILD COOL
STUFF.
Open-source Arduino + Raspberry Pi projects with full schematics, parts lists, code & build photos. Made by hackers, for hackers.
Browse Projects → ☕ Buy Us SolderLatest Builds
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IoT
intermediate
⏱ 4 hours
IoT Plant Watering System
Auto-water your plants based on soil moisture.
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Raspberry Pi
advanced
⏱ 2 weekends
Pi Retro Arcade Console
Bartop arcade with Raspberry Pi running RetroPie.
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Audio/Video
beginner
⏱ 2 hours
NeoPixel Sound-Reactive Lamp
WS2812B strip lights that dance to music.
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Robotics
beginner
⏱ 3 hours
Line-Following Robot
Tiny autonomous bot that follows a black line on white.
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Raspberry Pi
intermediate
⏱ 1 weekend
Pi-Powered Magic Mirror
Two-way mirror with Pi 4 displaying weather, news & calendar.
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Arduino
beginner
⏱ 45 min
Smart Home Climate Sensor
WiFi temp & humidity sensor with ESP32 + DHT22.