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Add Bluetooth to Arduino and ESP8266 easily using RYB2340 module

I’ve been testing out the RYB2340 Bluetooth module, and it’s honestly one of the simplest ways I’ve found to add wireless ...
EDN

Wireless Arduino Programmer using XBee

The project will function as a wireless programming and debugging link to access hard to reach Arduino board inside a machine by using the XBee protocol. An FTDI cable is used to attach one XBee that ...