Measure of VBAT on a TTGO ESP32 Wrover modul powered by a 18650 LiPo, no deep sleep atm
Temperature/humidity sensors. ESP8266 + AM2320 with a LiPo charger (under/over voltage protection) and 3.7V 780mAh LiPo battery.
Simple weather station by using Ti HDC1080 temperature & RH sensor and ESP8266 module configured in deep sleep mode. The whole unit is powered by 1000mAH lipo battery and a small solor panel (below 1W).
ESP-WROOM-32 and BME280 powerd by an 6V 1W Solarpanel with an 2000mAh LiPo. The device is up for 1300ms and sleeps for 10 minutes. Current while sleep is about 11µA, and at uptime about 100mA.
ESP-WROOM-32 and BME280 powerd by a 2000mAh LiPo battery. Sleepcurrent about 11µA. Uptime current about 100mA.
ESP-WROOM-32 on a selfmade PCB-layout with an BME280 sensor. Powered by an 1W 6V Solarcell and a 2000mAh LiPo Battery. The device is up for 1300ms and sleeps 10 minutes. The current while sleeping is about 11µA and at uptime about 100mA.