After an electronic IoT device has been deployed into the world ... and thankfully [Refik] explains how to set up a basic framework so that ESP32 OTA updates can happen securely, allowing one ...

To run the show, [g3gg0] selected the ESP32-PICO-D4. You certainly don’t need such a powerful microcontroller to read the impulses from the SBM-20 tube and publish them via MQTT, but to be fair ...