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Thursday, November 9, 2017

Circuit Schematic Diagram Fan Speed Increasing Regulator Using PIC16F73

ElcoHow. - This is one circuit schematic diagram of Fan Speed Increasing Regulator Using PIC16F73 that very useful for you who want to build fan speed regulator in this time easily.

In this time, we will give you global description about this Fan Speed Increasing Regulator Using PIC16F73 like in Figure 1 below, beside we give you circuit schematic diagram and component parts used in this circuit.

Circuit Schematic Diagram

Component Parts



Description

This is circuit schematic diagram of Fan Speed Increasing Regulator Using PIC16F73 that can help you to build fan speed regulator with increasing. The main component in this circuit is PIC16F73. 

According Electronicsforu site that also published this circuit describe that PWM pulses are fed to H11D1 optoisolators. For ceiling and table fan loads, if H11D1 optoisolator is used, switching transistors can be MJE13005 or 3039.

The upper section of fan speed controller circuit is safe as it works on low voltage only. But after mains supply is given to the bridge, it is dangerous to touch any part of the circuit. Turn on the circuit using VR1 with its knob.

The bottom section of the circuit shows the connection to 230V AC mains power. 1N4007 diodes are used for the fan load as these have high inductance. The circuit is very simple to wire. You can even assemble it on a breadboard as transistors are 3-pin TO220 type. Use suitable heat-sinks for transistors T1 and T2.

After wiring the circuit, switch on the AC mains power. It is advisable to use a variable auto transformer first and vary the voltage slowly from 140V. Otherwise, the fuse may blow up at startup if there is any wiring fault.

Now, you can read more about this Fan Speed Increasing Regulator Using PIC16F73 circuit schematic diagram, from original source using link here.


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