Circuit

step10

Step 10: Add flyback diodes (1N4001) to the circuit

  1. Add one diode between A23 and the red 3V rail. The minus leg (cathode) is marked with a silver band around one end of the black cylindrical body of the diode. That end must be attached to the red 3V rail.
  2. Add another diode between A26 and the red 3V rail. Again, the minus leg (cathode), marked with the silver band, must be attached to the red 3V rail.
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