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crwdns2931653:014crwdne2931653:0

Re-assembly
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You can check the motor works, pcb and new battery work together before re-assembling. Just should spring connectors together on the bench and press the button on pcb. LEDs will come one, and motor will spin (and try and walk across bench)
crwdns2944171:0crwdnd2944171:0crwdnd2944171:0crwdnd2944171:0crwdne2944171:0