Hi! I'm trying to connect a 7.4 V to the PCA9685, but the battery has no pins compatible to the module, so how should I go about converting those wires to just 1 Ground and 1 VCC?
Cut that red connector off and use the terminal block on the PCAxxxx? Be very careful NOT to short the wires as you do so. Or, find a mating connector...
You want the Red (+7.4V) and Black (Ground) wires. You can get a matching battery connector from vendors of radio controlled (RC) models. The other connector is for balancing the two cells when charging.
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