| Clean up hum in your audio power amps with this smart supply design. The project demonstrates a simple way to cut ripple without full regula...
| Clean up hum in your audio power amps with this smart supply design. The project demonstrates a simple way to cut ripple without full regula...
| Check out this simple GPS clock that always shows the right time. Built with an ATmega328P and an LED matrix, it’s easy to assemble — even o...
| Build a charming, low-power A-class audio amplifier that glows and sounds warm — literally! This 550-mW amplifier uses a halogen lamp as the...
| The “Donut” WB loop antenna shipped with some SDR receivers may be fundamentally flawed — its printed coils cancel each other out! This quic...
| Struggling with weak Wi-Fi on your ESP32 module? A simple wire antenna mod can boost signal strength, double range, and improve stability fo...
| Ever wanted to make a lamp that floats and lights up? This detailed guide shows you how to build a magnetic levitation snail lamp with wirel...
| Curious about vibration measurement? With basic parts like a laser diode and mirrors, you can build a desktop interferometer to measure micr...
| Explore a simple example of PID position control using Arduino. This project uses an Arduino Nano, an L293D motor driver, and a DC motor wit...
| Take your SMARS Robot to the next level! Learn how to add OLED, RGB LEDs, a buzzer, and Bluetooth connectivity with step-by-step guidance.
| You can build a highly accurate 1-ms NTP clock with an ESP32 and a Wiznet W5500 Ethernet module. The design is perfect for precision timekee...