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odolezal/esp8266_getVcc.ino

Last active April 28, 2020 09:32
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ESP8266 Internal input voltage reading
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esp8266_getVcc.ino
// Define input Vcc reading
ADC_MODE(ADC_VCC);
// ESP8266 Internal input voltage reading
float vccIn = ESP.getVcc() / 1000.0;
Serial.print("Input voltage (V): ");
Serial.println(vccIn);
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