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Step 11Preparing the Toggle Switch
Depending on your switch, you may have to clip off one of the pins. I do this with the switches I use although it may not be entirely necessary.
Slide a small piece of heat shrink tubing along the red lead of the battery holder. Push it carefully into the hole of the holder and shrink into place. It provides some degree of protection for the wire. (This instruction duplicates the instruction in Preparing the Battery Holder.) Slide another small piece of heatshrink tubing onto the red wire. Cut and strip the wire to length and apply some solder to both the pin on the switch and the end of the wire. Solder the red lead from the battery holder directly to the outer pin of the switch. Slide the piece of heatshrink tubing over the joint to protect and strengthen it.
The second wire goes from the middle pin of the switch to the PCB. Solder the wire to the switch as described above. Protect the joint with heatshrink tubing. Solder the other end to the appropriate hole on the PCB.
Slide a small piece of heat shrink tubing along the red lead of the battery holder. Push it carefully into the hole of the holder and shrink into place. It provides some degree of protection for the wire. (This instruction duplicates the instruction in Preparing the Battery Holder.) Slide another small piece of heatshrink tubing onto the red wire. Cut and strip the wire to length and apply some solder to both the pin on the switch and the end of the wire. Solder the red lead from the battery holder directly to the outer pin of the switch. Slide the piece of heatshrink tubing over the joint to protect and strengthen it.
The second wire goes from the middle pin of the switch to the PCB. Solder the wire to the switch as described above. Protect the joint with heatshrink tubing. Solder the other end to the appropriate hole on the PCB.
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