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Light Dimmer

Light Dimmer

VR1

600K

POT.

230V AC

50HZ

NEUTRAL

LIVE

R1

1M

CW

R2

2.2K

DIAC1

G

T1

T2

TRIAC1

BT134

BULB1

100W

C1

0.1μ

400V

R3

100Ω

ACW

R1 IS OPTIONAL

Light Dimmer

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publish time: 2020-09-29
Circuit Everyday

You can measure AC power voltage without using a multimeter, just modify the dimmer installed at the bottom of the lamp and use it as a voltmeter. When the dimmer is rotated counterclockwise to the point where you can see the filament glow, this point can be used as a reference point for measuring voltage.

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