You can use a microcontroller to build a clock. After all, a clock is just something that counts the passage of time. The only problem is that microcontrollers can’t track time very accurately. They ...

Strictly speaking, a Theremin uses a pair of antennae that act as capacitors in a specific R/C circuit. Looking at [aritrakdebnath2003]’s MIDI THEREMIN, we see it works differently, but it does play ...

I've been a contributing editor for PCMag since 2011. Before that, I was PCMag's lead audio analyst from 2006 to 2011. Even though I'm a freelancer now, PCMag has been my home for well over a decade, ...

Learn how to create a simple gear indicator for the manual transmission of the car. For that, we will use Arduino UNO with SSD1306 128x64px IIC OLED screen and 4 Hall Sensors to measure the magnetic ...

This library allows you to make the ESP32C3 act as a Bluetooth Keyboard and control what it does. The BleKeyboard interface is almost identical to the Keyboard ...

Arduino UNO,Bluetooth Module,Clear System,DC Motor,Dust Accumulation,Energy Output,Glass Surface,Manual Cleaning,Maximum Power,Output Power,Photovoltaic Panels,Power ...