| Extend your UPS and solar battery life! PbMonitor shows real-time voltage, current, and temperature per battery — built with ESP32-C3 and MQ...
| Extend your UPS and solar battery life! PbMonitor shows real-time voltage, current, and temperature per battery — built with ESP32-C3 and MQ...
| Enjoy soothing music every time someone enters your guest restroom! This MP3 player uses a PIR sensor, Li-ion batteries, and a DFP audio mod...
| Build a compact lithium battery health monitor that shows State of Charge (SoC) and State of Health (SoH) using colorful LED bars. Based on...
| This compact, cloud-connected Redox meter uses an ESP32, OLED display, and ORP sensor to precisely monitor your pool’s water quality. With m...
| Prevent runaway RC vehicles with this failsafe system! Using an ATtiny85 microcontroller and an optocoupler, this project monitors the radio...
| Take your RC experience to the next level with an FPV head-tracking camera! Control a servo-mounted camera using head movements for a fully...
| Build your own brushed Micro Motor Drivers from scratch with MOSFETs and learn how they work — customizable for unidirectional drone/plane m...
| Enhance your synth or guitar sound with dynamic signal distortion! This DIY audio FX unit cascades amplifiers for unique saturation effects,...
| Turn your Raspberry Pi Pico into a basic characteristic curve recorder! Using minimal additional circuits, this project measures and visuali...
| Imagine tracking an object with pinpoint accuracy — within centimeters — across a 25 m × 25 m area. Now, what if you could do this using sou...