The same holds true for a lot of microcontroller designs including [rgco’s] clever metal detector that uses very little other than an Arduino. The principle of operation is simple.

Pin D2 receives a 0-5VDC pulse, generated with a push-button SW1 generated. Fast response time on zero-crossing of 1µs + Arduino digital processing cycles. Topology schematic available in 20250507 - ...

Hopefully this is easier to setup. I was able to control the robot over a distance of 350 meters. This was very cool and the metal detector detected some screws and wires. This was a lot of fun.

The Internet of Things technology and sensor technology can be used to analyze and process the rainy day data, and the raindrop detector based on Arduino is built. Arduino is a convenient, flexible ...

A new Instructables page has been created to make an eco-friendly DIY metal detector using an Arduino Mega just been combined with a 3.2 inch TFT LCD ...

Posted in Arduino Hacks, Raspberry Pi, Robots Hacks Tagged alexa, arduino, arduino nano, dc motor, facial recognition, flywheel, M&M launcher, raspberry pi, servo ...

Arduino-Earthquake-Detector-Alarm-with-Seismic-Graph-using-Accelerometer Arduino Earthquake Detector Alarm with Seismic Graph Overview This project utilizes the ADXL335 3-axis accelerometer as a ...