ESPHome
use analogReadMilliVolts on ESP32 platform for adc usage when expecting device_class voltage
#3239
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Component nameadc Link to component documentation on our websitehttps://esphome.io/components/sensor/adc.html Describe the enhancementI would like to use the auto corrected voltage reading by the analogReadMilliVolts, when my adc sensor is using device_class This should be used to show the chip-wise corrected values for voltage readings (e.g. battery) instead of having to check each chips correction value in fuses area (refs: https://wiki.seeedstudio.com/XIAO_ESP32C3_Getting_Started/#check-the-battery-voltage) Use casesReading the corrected battery voltage and less of an assumption. Anything else?No response |
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🏷️ I've automatically added the |
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The esphome adc component uses the chip's correction values, just like the |
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Thanks, i just had another look at the code and saw it. edit: for the curious: https://github.com/esphome/esphome/blob/27119ef7ade501d91dc853abfc878b41ea5781b7/esphome/components/adc/adc_sensor_esp32.cpp#L89 |
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The esphome adc component uses the chip's correction values, just like the
analogReadMilliVoltsfunction does. That function is only available in Arduino, so no, we won't be using it.