I bought a second ethernet port, and I'm shocked I didn't do it sooner ...

Also: I built my own Wi-Fi router with a Raspberry Pi for Starlink and solar control - here's how. A Pi 5 can use as much as 12 W of power (and that's before you hook up various H ...

We may receive a commission on purchases made from links. Having a laptop means traveling with more gadgets in your bag, even if you're just commuting to work. A USB hub for reading an SD card, an ...

This library gives easy control over the 16 pins of a (I2C) MCP23017 chip. This IC is strongly related to the MCP23S17 SPI port expander - https://github.com ...

Alessandro Arduino has researched Africa’s security affairs with a particular focus on the use of private military companies and other guns-for-hire across the continent. In his latest book, Money for ...

Looking for practical Arduino projects? This guide shows how to control a relay from your smartphone using an Arduino Uno — either via Bluetooth or Wi-Fi with an ESP8266 ESP-01 module. With ...

Last week, we covered the Maker Go RA4M1-R4 development board, an inexpensive “clone” of the Arduino UNO R4 Minima with some small modifications like support for up to 50V DC input and a 3.3V/5V ...

Yes, you can program Arduino with Python using the PyFirmata library. While Arduino traditionally uses C++ code, Python can control Arduino boards through the Firmata protocol, allowing you to ...

Some of the newer Espressif Systems wireless SoCs such as the ESP32-H2 and ESP32-C6 support Zigbee through their built-in 802.15.4 radio. It’s been working since the release of the ESP-IDF 5.1 ...

While off-the-shelf hardware has its uses, building it yourself lets you customize your designs and develop gear just for you. The 2023 All-In-One Raspberry Pi & Arduino Developer Bundle shows you how ...