Temperature/humidity sensors. ESP8266 + AM2320 with a LiPo charger (under/over voltage protection) and 3.7V 780mAh LiPo battery.
Pomiary temperatury i wilgotności przy użyciu DHT22 i dallas 18B20
The IoT enabled the system for monitoring and controlling AC loads with current sensor and bill estimation for the load connected.
This is IoT cloud for Smart helmet project with ESP8266 Node MCU.
Send ESP Data via mosquitto mqtt bridge to thingspeak. Just a test.
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.