It’s really just an ATTiny85 – a favorite of the crowd that’s just slightly above Arduino level – and an HM-10 Bluetooth 4.0 Low Energy module. This board was developed as a means to ...

Then, an Arduino board might be ... protocols like Wi-Fi and Bluetooth, though. However, additional components -- a Wi-Fi shield and a Bluetooth module -- are required. The R4 WiFi is already ...

“Uno R4 WiFi includes an error-catching mechanism that detects run-time crashes and provides detailed explanations and hints about the code line causing the crash,” according to Arduino – Electronics ...