I'm running 4 of these sensors right now and I am just using the small free-gift type of USB power packs. They are lasting several days without using deep sleep

I'm running 4 of these sensors right now and I am just using the small free-gift type of USB power packs. They are lasting several days without using deep sleep optimizations. In the next post I'll show how to aggregate the data into InfluxDB for charting.