Welcome to my quick review of an inexpensive 2-channel 5V relay module controlled via RS485 bus utilizing Modbus RTU protocol. As claimed by some online sellers, this easy-to-get Modbus RTU 2-Channel ...
Makers, electronics enthusiasts, and Arduino users may be interested in a new tiny development board which is being created called the Arduino PICO. Created by MellBell Electronics based in Toronto, ...