Видео ютуба по тегу Esp8266 Internal Voltage Measurement

#340 How good are the ADCs inside Arduinos, ESP8266, and ESP32? And external ADCs (ADS1115)
#340 How good are the ADCs inside Arduinos, ESP8266, and ESP32? And external ADCs (ADS1115)
ESP8266 - Internal ADC - Battery voltage reading
ESP8266 - Internal ADC - Battery voltage reading