[Necromant] wrote a library to flash his microcontroller over an RF link using an NRF24L01 wireless communication module. The NRF24L01 is a cheap RF module that can be easily integrated into many ...

Despite the name, Bluetooth Low Energy (BLE) has very little to do with the original Bluetooth, other than its use of the same 2.4 GHz frequencies. This is where [Dmitry] got the idea to use a 2.4 GHz ...

Nordic Semiconductor and RF Digital have teamed up on a range of ISM-band modules that have been pre-approved by regulatory agencies (FCC and IC). The modules are intended for ultra-low power ...

I'm pretty unhappy with the SparkFun ESP8266 WiFi Shield right now. It works fine, when it works, but it's unreliable, and I cannot manage to figure out how to make it reliable. 90% of the time, it ...