The circuitry used is simple: [Kevin] simply wired up two Arduino Unos with nRF24L01 radio modules, which communicate over SPI. Alternatively, an even quicker solution is to use a Keywish Arduino ...

The NRF24L01+ Arduino wireless transceiver shield is ideal for a wide range of applications. For instance, it can be used in home automation projects to control lights, fans, and other appliances ...

After four years as Ukraine’s ambassador to the United States, Oksana Markarova is leaving Washington – a signal moment in the U.S.-Ukrainian relationship.