| The internal A/D converter of an ESP8266 is — like the one of the ESP32 — not suitable for accurate voltage measurements. But there are othe...
| The internal A/D converter of an ESP8266 is — like the one of the ESP32 — not suitable for accurate voltage measurements. But there are othe...
| Together with a small program running under DOS, the circuit discussed in this article acts as an ADCbased voltmeter that allows you to ca...