Welcome to EnviroDIY, a community for do-it-yourself environmental science and monitoring. EnviroDIY is part of WikiWatershed, an initiative of Stroud Water Research Center designed to help people advance knowledge and stewardship of fresh water.
New to EnviroDIY? Start here

Reply To: Battery Charging via USB

2017-08-03 at 10:27 AM #2306

Julie

Participant

Yep! Just a bare solar panel (actually 5V) soldered to a microUSB connector. The yellow LED on the Mayfly comes on in sunlight and goes off inside/in deeper shade and the battery charges.

Parts used below:
https://www.adafruit.com/product/1390
https://www.amazon.com/ALLPOWERS-Encapsulated-Battery-Charger-130x150mm/dp/B00CBT8A14/ref=cm_cr_arp_d_product_top?ie=UTF8

I’ll go ahead and order some JST connectors just to be safe. Thanks!