[Ralph] put the SCK line behind a diode, put a capacitor in parallel with the CSN line and altered the arduino-nrf24l01 library to encode extra delays for the clock line. This allowed the CSN ...

Each buzzer consists of an Arduino Pro Mini 3.3 V, a nRF24L01, and of course a big pushbutton ... then check out this version that uses 900 MHz radios and an OLED to show the results.

Awesome electronics developer Patrick Thomas Mitchell has once again returned to Kickstarter to launch his new NRF24L01+ Arduino wireless transceiver shield. This innovative shield offers a wealth ...