PWM Speed Controller

contrem · March 8, 2019

hw   speedctl

PWM speed controller designed for a mini pottery wheel prototype.

Parts

  • 1 x NE555 timer (IC1)
  • 1 x SD882P transistor (Q1)
  • 1 x 100K pot (R2)
  • 2 x 1k resistor (R1, R3)
  • 3 x diode (D1, D2, D3)
  • 1 x 100 nf capacitor (C1)
  • 1 x 10 nf capacitor (C2)
  • 2 x 4.7 uf capacitor (C3, C5)
  • 1 x 1000 uf capacitor (C4)
    • substituted with 2 x 470uf capacitors below

Build

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