Wireless Controlled Lightdimmer Using TV Remote Control

The goal of this project was to build a normal dimming lamp that is also controlled wireless with a tv remote control. When you switch the power on there will follow a soft-start till the lamp burns at the previously adjusted dim level. With the P+ and P- button from a system at choice you can adjust the maximum and minimum dim-levels and with the ‘1’ button the start-up brightness. The next time when the 230V power is switched on the lamp starts up at the adjusted dim-level.

Wireless Controlled Lightdimmer Using TV Remote Control: [Link]

April 26th, 2008

Fan Temperature Controller

Fan Temperature Controller Circuit

This is one of the smallest fan controllers I’ve seen. It does the same job as others, it controls the fan speed according to a temperature sensor. The main utility is that you save power this way, and second its noise reduction, the fan will now run most of the time at lower speeds. The whole circuit its based on 3 parts:

  • A MOSFET Power transistor (N-Channel), price between $1 and $2
  • A 10K spindle trimming potentiometer, price around $1
  • A 10K NTC temperature sensor, price around $1

These are really easy to get parts, so you wont have any trouble. As a last word this is a very useful and simple to build project. Good luck building it.

Fan Temperature Controller: [Link]

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