I ‘ ve made an IOT project based on Lilygo TTGO ESP32 SIM800l board. Is it possible to use a car battery to power it, in order not to buy a new one ?
tommykar@gmail.com Changed status to publish
I ‘ ve made an IOT project based on Lilygo TTGO ESP32 SIM800l board. Is it possible to use a car battery to power it, in order not to buy a new one ?