robinahmed50
New member
- Joined
- Dec 29, 2022
- Messages
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Positive earth or negative earth? I had the same issue with positive earth -- I just pop a five cent piece (same as a wheat penny) over the top and it pushes down on the pressure spring, resulting in circuit for positive earth. negative earth be more careful, many points of short circuit.View attachment 75505
Laser Pointer 532nm Some lasers issues the negative end of the battery to be issue certain direction. Battery end of key cap Not connect and don't on light. how to fix it..?