In the previous chapter, we used a light sensor to read the ambient brightness as a value from 0 to 1023.This time, we will ...

Build your own ESP32 and ESP8266 projects this weekend. We detail 10 practical IoT builds, including a Wi-Fi weather station using a DHT22.

When an earthquake flattens a city block or a landslide buries a hillside road, rescue teams face the same brutal arithmetic: every minute spent searching blind is a minute a survivor may not have. A ...

Dusty clockwork and wired doorbells become networked tools when tiny ESP32 modules add internet time and smart triggers.

A cracked screen doesn't matter when the phone becomes a server.

Last time, we learned about the anode and cathode of an LED, how to distinguish their orientation, and the role of a resistor in limiting current.This time, we will combine an Arduino, a breadboard, ...

ESPHome is the sole reason I was able to build several ESP32 smart sensors without losing my patience ...

This versatile Design Idea survives and reports open- and short-circuits, not to mention multiplying efficiencies.

Build your own 4G smartphone using the MAKERphone 2.0 ESP32-S3 educational kit. Kids 9 and up can learn Arduino C++ and make real calls on a 1000mAh battery.

You want Retro? We did, when we started our retrocomputing challenge. [Peter] decided that transistors weren’t retro enough, ...

For his own reasons, [Jose Luis Monteiro] (aka [emsyscode]) decided he needed to drive the LCD on a Sony CDX-A250 car ...