I feel pretty dumb, but I can’t for the life of me figure out by the diagram which pin gets soldered to what.
The diagram (from the configuration generator) has one blue line going from a pin to the battery negative. it has one red line going from a pin to the BATT+ pad which is also connected to the battery positive. It has one black line going from a pin to the GND pad.
It’s my understanding that different manufacturers may assign pins differently, so for example the middle pin could be a positive on one model and a negative on the other. The charging ports I have did not come with a description or documentation. I’ve tried using YouTube to help me identify which is which, and to help me understand what the purpose of the pins are, with no luck. I tried using google but it’s telling me I’m not supposed to connect a pin to the battery positive, even though that’s what the diagram says. I’m getting more confused the more I research it. Can anybody help me get a straight answer?
First of all, there are multiple possible ways to wire a charge port.
You could just wire it to + and - on the battery and use something else to cut the power.
The way it’s wired in the diagram cuts the power to board and blade when the charger or kill key is connected, which is probably the most common way to do it.
Second, you should use a multimeter to figure out which leg is which on the jack. You could also use the data sheet if you have the data sheet for your connector available, but it’s probably better to use a multimeter.
Set your mulimeter to continuity testing (“beep mode”) and test two legs at a time. You’ll find that two of the legs are connected when nothing is plugged in. One of those should go to - on the battery (blue wire) and the other to the reset of the circuit. (black wire). The one that isn’t shorted should go to to + on the battery (red wire).
Now you need to plug something into the jack. If you have a plug with nothing connected to it, we can keep using beep mode. In this case, you can measure from the central pin on the plug and verify that it is connected to the “red wire connector” on the jack. The other wire on the plug should be connected to one of the other two legs, and that one should go to the battery (blue wire). The third connector (black wire) should not connect to anything while the plug is in the jack.
If you don’t have a loose plug, you can plug in a charger instead. The charger should supply 4.2 volts, so flip the multimeter to voltage measuring and measure the legs on the jack. When you see 4.2 volts (not -4.2 volts) the red multimeter probe will be on the leg that should connect to the red wire and the black multimeter probe will be on the leg that should connect to the blue wire.
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I really appreciate this well written and easy to follow along response. I was able to identify each pin using your instructions. Assuming there’s not more to programming the board than installing PoffieOS with the custom config file and adding the proffie sd card files to the sd card, I should have this working in a couple days and I can give you an update.