Temperature Based Fan Speed Controller

Use the included temperature probe to program fan speed based on your heatsink temperature or use in manual mode to toggle between speeds.
Temperature based fan speed controller. It is rated to operate over a 55 c to 150 c temperature range. Temperature based fan speed control working the proposed system is a practical temperature controller used to control the temperature of any device based on its requirement for different industrial applications. The led glows whenever the temperature exceeds 60 c. It has 10 0mv celsius linear scale factor.
In this project an 8051 based microcontroller forms the processing part which firstly senses the temperature via the adc the controller then compares the data with the set temperature which the user can set via the keypad. Temperature based fan speed controller 7 abstract this project is a standalone automatic fan speed controller that controls the speed of an electric fan according to our requirement. The 2n2222 transistor acts as a switch and controls the fan speed depending upon temperature. Use of embedded technology makes this closed loop feedback control system efficient and reliable.
Includes temperature probe ideal for peltier coolers led heatsinks automatically control 4 pin cpu fan speed with this nifty chip. 1n4007 diode controls the fan from being damaged.