Bring your RS232 gear into modern times by adding BLE support. In this project, you’ll use an ESP32-S3 Feather running CircuitPython to connect to the Adafruit Bluefruit Connect app over BLE. The control pad in the app will send commands over UART to the RS232 breakout, letting you wirelessly control your RS232 device.
Read more at ESP32-S3 BLE RS232 Controller
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