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    Mar 20 2022  I solder the tactile switch on a perf board.then we add Li ion cell to the battery side of the circuit.FINAL ASSEMBLYTo complete this setup I added a barrel dc jack to the input side so I could charge this device with a 5V Charger.I used hot glue to hold the barrel jack and Li ion Cell in their place.Then I glued the Tactile switch to one side

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