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Step 13Connect up the charging system components
With the PCB fabricated and populated (or purchased from my etsy store) its time to connect all the charging system components. First, solder the AnyVolt Micro to the pads labeled Ro. Rg and Ri Ro connects to the Vout lead of the Anyvolt micro, Rg connects to Gnd and Ri connects to Vin.
Solder the battery holder to the board. The black battery holder wire connects to the pad labeled B-. The red lead connects to the pad next to that.
Examine the charging adapter you are sacrificing. Typically one of the wires will have a stripe marking the polarity. If there are no markings on either wire, mark one wire with white-out. If it is a round cable, typically the internal insulation will be color coded.
Cut the cable six to twelve inches from the end that plugs into the cell phone. Now, strip the insulation from the end that plugs into the wall or car, plug it in and with a multimeter, read the voltage, and note the polarity. This is what we’re going to be replicating with the solar charger, so it is very important to have it right. Having it wrong might let the magic smoke out of your cell phone, and that stuff is expensive. In my case, the charger puts out 5v, and the wire with the white stripe is positive.
Solder the battery holder to the board. The black battery holder wire connects to the pad labeled B-. The red lead connects to the pad next to that.
Examine the charging adapter you are sacrificing. Typically one of the wires will have a stripe marking the polarity. If there are no markings on either wire, mark one wire with white-out. If it is a round cable, typically the internal insulation will be color coded.
Cut the cable six to twelve inches from the end that plugs into the cell phone. Now, strip the insulation from the end that plugs into the wall or car, plug it in and with a multimeter, read the voltage, and note the polarity. This is what we’re going to be replicating with the solar charger, so it is very important to have it right. Having it wrong might let the magic smoke out of your cell phone, and that stuff is expensive. In my case, the charger puts out 5v, and the wire with the white stripe is positive.
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