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- 19 Jan 2021, 03:16
- Forum: ESP Easy: Hardware
- Topic: TTGO T-Higrow ESP32 Plant Sensor
- Replies: 22
- Views: 34827
Re: TTGO T-Higrow ESP32 Plant Sensor
P.S. The battery Voltage is somewhat wrong . Did some tests with a Power Supply connected to the battery input and the correction formula from TTGO: /4095*2*3.3*1100 : : : I have ttgo higrow too. The esp32 adc is known to be somewhat inaccurate. But The ESP32 has values in the chip to correct ind...