This battery operated T-Beam rocks! Thanks to MarkD for lending me his, I've ordered 1 and its here. The ESP32 board is just a bit longer than an AA battery. Perfect for creating temperature, humidity, location sensing and more.
![](https://thethingsnetwork.org/media/posts/51b7a26093724a878a2974ac07894395.large.jpeg)
This battery operated T-Beam rocks! Thanks to MarkD for lending me his, I've ordered 1 and its here. The ESP32 board is just a bit longer than an AA battery. Perfect for creating temperature, humidity, location sensing and more.