Walk out of range and the car automatically locks when the connection drops. His build uses an Arduino Mega with a BlueSMiRF Silver Bluetooth board that actively searches for his phone and ...

Thanks to the LightBlue Bean+, however, one of those roadblocks has been torn down. The Bean+ is basically an Arduino board that can be programmed via Bluetooth LE.

Arduino has introduced a Nano shaped board with a Wi-Fi and Bluetooth LE capable Espressif’s ESP32-S3 microcontroller, supporting it with the Arduino IDE and MicroPython. “Beginners can explore in an ...