Greetings,
I received from aliexpress 3 solar panels that are completely different from what I ordered, and I have no idea how to wire them up.
I want to connect them to a TP4056 battery charger to run an arduino 24/7.
Any help on wiring welcome.
Thanks.
Solar panel : http://i.imgur.com/itucDdL.jpg
TP4056 : http://www.aliexpress.com/item-img/1PCS-5V-1A-Micro-USB-18650-Lithium-Battery-Charging-Board-Charger-Module-Protection-Dual-Functions/32467578996.html
Use multimeter to measure which contacts have voltage under sunlight.
Two contacts are for connecting a bypass diode.
I think the extra pads are to allow simple links to be connected to connect cells in series when the panels are placed above and below each other.
Weedpharma
A little more fiddling with multimeter and I found where to connect to get the rated 6v...
I was previously only getting readings of 2v or less and I was wondering if I needed to connect those pads in a certain way to reach 6v.
Thanks !
That's a series diode, not a bypass.
It looks like 3 cells so 1.6V at full power is about right. But I can't see the front so can't be sure its not 3 strings of N.
