This circuit is auto fan or cooling fan for your computer,electronic project,the circuit is simply to apply to your project . Couple Notes: Auto Fan and Cooling Circuit Th1, the 50K thermistor is a standard type. I was looking for a bar or rectangular thingy. Available from Tandy / Radio Shack. Almost any type will [...]
Suitable for operating, Lamps, Fan, Radio etc.., Small n easy unit Here is the circuit diagram of Remote Operated Home Appliances or Remote controlled Home appliances. Connect this circuit to any of your home appliances (lamp, fan, radio, etc) to make the appliance turn on/off from a TV, VCD, VCR, Air Conditioner or DVD remote [...]
Here is a simple circuit based on two transistors that can be used to control the speed of a 12 V DC fan depending on the temperature.A thermistor (R1) is used to sense the temperature. When the temperature increases the base current of Q1 (BC 547) increases which in turn decreases the collector voltage of [...]
