I've been very happy with their esp32 boards. Easy, cheap, well integrated. The only issue I've had is the battery charger circuit on some boards has a fuse in

I've been very happy with their esp32 boards. Easy, cheap, well integrated. The only issue I've had is the battery charger circuit on some boards has a fuse instead of a diode making it a hazard (realized pretty quickly while testing). This is supposedly fixed on newer revisions but there's always a chance of getting an old one through some sources....