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Automatic DC FAN controller circuit

Automatic DC FAN controller circuit

Automatic Temperature controlled DC FAN Controller Circuit  We use many electronic gadgets like power Amplifiers, SMPS, Inverters and AC-DC converters etc. These gadgests uses ICs that generates more heat during opetation and required any temperature controller for Cooling to control the heat for protecting the devices. This circuit is ideal to control the cooling fan of heat generated electronic gadgets […]

DC FAN Speed Regulator Circuit

DC FAN Speed Regulator Circuit

  DC FAN Speed Regulator Circuit DC FAN Motor Speed Controller Regulator Circuit Works ON Principle of Pulse Width Modulation (PWM) technique , By Using This Technique Controlling Of DC Motor Speed is very Smoothly And Noise Free. Introduction Of  PWM The modulation is a process of varying the parameter of a carrier signal in accordance with the instantaneous value of […]

IR Based Security Alarm Circuit

IR Based Security Alarm Circuit

Automatic Door Security Alarm System Introduction This is used to any Door or Gate to Detect Any human person or any animal pass across the gate. When Any Crosses the gate then Automatic alarm beeped for some duration and then after automatically stopped. So even any person or gateman or guard is not available at door, no can be entered […]

Very Simple Method to Read Value of Capacitor

Very Simple Method to Read Value of Capacitor

Method of Finding the value/Meaning of codes of capacitor   Click Here For Resistor Colour Code And SMD Resistor Code  •  Ceramic disc capacitors have two to three digits code printed on them. •  The first two numbers describe the value of the capacitor and the third number is the number of zeros in the multiplier. •   When the first two numbers are […]