555 practical DC stepless dimmer circuit diagram


Posted on Mar 28, 2007

Circuit shown in Figure dimmer to 555 as the core component. 555 and R1, RP, R2, C1 composition astable multivibrator, the oscillation frequency f 1.44/(R1 + RP + R2) C1, aroun


555 practical DC stepless dimmer circuit diagram
Click here to download the full size of the above Circuit.

d about 650Hz, the duty cycle can be varied by adjusting the RP, from change 4.5% to 95.5%, and thus the brightness of the lamp has a wide range of changes to achieve stepless dimming.




Leave Comment

characters left:

New Circuits

.

 


Popular Circuits

2 Kw flasher with photoelectric control
schematic diagram of my geiger counter
Schematic Diagram LM3909 IC Color organ electronic project circuit
Wailing Alarm Siren
Signal Conditioners Information
TrikiBoard 8052
Bicycle Radio easy and cheap to build (April 1940)
STEREO LED VU METER
PPMC and stepping motor driver IC dedicated connection circuit
Four independent charging single battery automatic charger circuit



Top