zrqlllllly / esp32_ulp_sht3x

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)