ESP32 utilizing the newer Bluetooth BLE stack by sending data from a LM35 Thermo to an Android Bluetooth scanner App.
Arduino Sketch available here: https://drive.google.com/open?id=1JRb...
Instructable for ESP32 Getting Started: https://www.instructables.com/id/ESP3...
Hackster: https://www.hackster.io/johnnyfrx/esp...