What is it?
This system supplies solar energy with three AA NiMH backup batteries, ensuring the sensors operate without power cables. In locations with at least 3 hours of direct sunlight daily, you …
This system supplies solar energy with three AA NiMH backup batteries, ensuring the sensors operate without power cables. In locations with at least 3 hours of direct sunlight daily, you can utilize the specially designed and tested solar module for 3.3V sensors that consume less than 100 mA during brief intermittent periods, such as sensor sampling and transmission.
It output voltage that range from 3.4 V to 4.2 V and use solar energy to recharge batteries.
It uses an extremely simple power handling circuit, that asume external low voltage protection from MCUs ADC, and external power converter to 3.3v, like many esp32 development boards.
See features info for more details
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