This project turns on and turns off a laser LED after every second. It can also monitor its own supply voltage level. The circuit can be extended for use as an audio-visual alarm system for security ...

The working process of the Bluetooth speaker is very simple and it's no different from any other Bluetooth speaker that is available in the market. The one main difference of this speaker is the ...

You’ll learn how to use the KY-037 sound detection sensor with Arduino. You can measure changes in the intensity of sound in an environment. This module consists of a sensitive capacitance microphone ...

The “IP Camera ESP32Cam” (or “SpyCam”) project is an Arduino firmware (.ino) for the “AI Thinker ESP32-CAM” module which has a 2MP Camera, 10 I/O pins, an on-chip LED and one MicroSD slot to store the ...