void setup() { // Start Serial2 at 4800 baud // RX = 16, TX = 17 Serial2.begin(4800, SERIAL_8N1, 16, 17); } Serial2.begin(...): initializes secondary serial ...

If you want to switch back to Wi-Fi or cellular, you'll need to disconnect the cable. The best part about this setup is that ...

We’ll explain which devices have Ethernet connectivity built in, the advantages of using Ethernet, and more here. These days, ...

Building Arduino projects with multiple sensors can unlock powerful environmental monitoring, automation, and IoT applications. From DHT11 temperature sensors to motion, gas, and light detectors, ...

Webs of star-shaped cells called astrocytes connect distant parts of the brain, allowing long-distance exchange of molecules.

Dunbar is part of a small but growing community slowly building a “mesh” network across Connecticut, allowing both emergency ...

If you were to point to a single device responsible for much of Hackaday’s early success, it might be the Arduino Uno. The ...