/esp32_ulp_sht3x

Primary LanguageC

ULP SHT3x sensor application

This software captures temerature and humidity and send those value to Fluentd.

By using low power ULP, it can powered by AAA batteries.

Pin assign

  • GPIO25: SCL
  • GPIO33: SDA
  • GPIO14: TPS61291 Bypass (if battery voltage is high enough, output L)
  • GPIO32: Battery voltage monitor (A/D)