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

Optimized 6/9 element VHF Yagi Antenna
Low Power Voltage Doubler Booster
NiMH Battery Chargers
Water Pump Relay Controller Circuit Schematic
AC DIGITAL CLOCK WITH STANDBY BATTERY
Homemade Robots polymax improvements



Top