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Step 10Step 2f: lead bending & soldering - power & ground
Power and ground wiring are next. Use 22 AWG insulated solid core wire for the leads shown schematically in purple to prevent short circuits. The red lead from the battery goes to one terminal of the switch S1. The other terminal of S1 goes to both pin 14 of the DIP socket and to the collector of the transistor Q1.
Shown schematically in Figure 1 and as seen from the rear side of the board in Figure 2.
Shown schematically in Figure 1 and as seen from the rear side of the board in Figure 2.
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