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Pins D Push button switch OFF-(ON CMOS General Purpose Timer, 555 compatible, PDIP-8 0.2A Ic, 40V Vce, Small Signal NPN Transistor, TO-92"/> Unit is ~$8.50 - $10 in parts, needing.

  • | R4, R6, R7, R30, R31 Switch, dual.
  • New Pull Request