Let's use Arduino to make a light that turns on automatically only when someone approaches and turns off after a while.This ...

The air around us rarely announces itself. Exhaust from a busy road, dust from a building site, smoke from burning leaves, ...

Based Water Quality Monitoring System for Rural India is an autonomous, low-cost early-warning solution designed to detect ...

There are some projects that seem at first sight to be easy, but anyone who tries them finds a whole heap of unexpected problems and turns to the off-the-shelf device. PCB antennas for example, or ...

Discover Practical MOSFET Electronics by Dogan Ibrahim, with LTspice simulations, Arduino motor control, amplifiers, and ...

Ayush Pande is a PC hardware and gaming writer. When he's not working on a new article, you can find him with his head stuck inside a PC or tinkering with a server operating system. Besides computing, ...

Adding a speaker to an embedded project is not always as simple as connecting it directly to a microcontroller or single-board computer. Most audio sources provide a relatively low-level signal, while ...

That said, you don’t necessarily need a home server or a Raspberry Pi if all you wish to do is use blocklists to prevent your ...

Build practical ESP32 projects that solve daily problems. We evaluate five functional builds, including a Wi-Fi dead zone ...

An alternative way to detect presence is to hook up an mmWave sensor to an ESP32. These sensors use radar to detect movement, ...

Jim Bruges' Rubber Duck-ify instant camera uses an Arduino to edit photos with local AI and print them instantly on thermal ...