Introduction: PWM Dimmer Using NE555 and MOSFET With DIY Aluminium Case.

Picture of PWM Dimmer  Using  NE555 and MOSFET  With DIY Aluminium Case.

 a low cost PWM dimmer  using  NE555 and MOSFET  with DIY aluminium case.

Step 1: Aluminum Case From Aluminum Square Tube.

Picture of Aluminum Case From Aluminum Square Tube.

aluminum case  has dual role.

first one is            protection cover.
and second is    heat sink forMOSFET.

Step 2: Drilling Holes

Picture of Drilling Holes

POT fixing on aluminum case.
MOSFET fixing.

Step 3: Circuit Diagram

Picture of Circuit Diagram

components:

1,  555 ic
2, MOSFET  IRFP510
3, diodes 1N4148 x 2
4, capacitors -ceramic- 100nf ,10nf   47uf/35v
5, Pot  100 K Linear
6, resistor  10K 

circuit diagram source:
http://www.talkingelectronics.com/te_interactive_index.html

Step 4: Circuit Board Soldering.

Picture of Circuit Board Soldering.

Step 5: Final Assembly

Picture of Final  Assembly

Step 6: Testing With 12V/35W Lamp

Picture of Testing With 12V/35W  Lamp

Step 7: Working Video

Picture of Working Video

Comments

David AlonsoS (author)2015-10-14

Work!! is easy :)

inventable (author)2014-09-14

Hi, the original project and the circuit diagram are in:

http://www.inventable.eu/2013/04/18/63_led_dimmer_...

bye.

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