make drill speed control and grinding

Alat pengatur kecepatan /speed control
Rangkaian sederhana untuk mengatur kecepatan
Bisa di gunakan untuk gerinda dan bor 
R1                   = 5k6
C1                 = 100nf / 400v
Triac              = BT 136 – 600D
Diac               = db3
Potensio       = 500k
(Triac BT136-600D sebaiknya di beri papan pendingin untuk menyetabilkan temperatur.)

(Triac BT136-600D : It should be given a cooling board to stabilize the temperature)
Perhatian : rangkaian bertegangan tinggi , saat mencoba jangan sentuh komponen!!!

warning ... high voltage circuit, don't touch directly

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