Looking for practical Arduino projects? This guide shows how to control a relay from your smartphone using an Arduino Uno — ...

The SDI-12 orange cable (data) is wired to port 7 on the arduino and the blue (data GND) is wired to the ground on the arduino. The battery is wired into the solar charge controller and the ...

Arduino has shrunk the UNO R4 with the Arduino Nano R4 board equipped with the same 48 MHz Renesas RA4M1 32-bit Arm ...

Posted in Arduino Hacks, ARM Tagged arduino, ESP32, serial port ← Living On Mars: The Stuff You Never Thought About Fail Of The Week: How Not To Repair A MagSafe Charging Cable → ...

Ensure the correct COM port is specified. Use the Arduino IDE’s serial monitor to verify commands and responses, if needed. Power the hardware, connect the FTDI or Arduino Uno to the PC’s USB port, ...