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Remote Control Circuit

Index 21



The multi-encoding single chip remote control circuit

Published:2011/6/23 10:15:00 Author:qqtang | Keyword: single chip, remote control

The multi-encoding single chip remote control circuit
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A air-conditioner remote control circuit of CL

Published:2011/6/23 10:17:00 Author:qqtang | Keyword: air-conditioner, remote control

A air-conditioner remote control circuit of CL
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The infrared remote control signal converter circuit

Published:2011/6/23 10:12:00 Author:qqtang | Keyword: infrared, remote control, signal converter

The infrared remote control signal converter circuit
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The machine tool magnetic sucker low-current protection circuit

Published:2011/6/19 2:47:00 Author:Seven | Keyword: machine tool, magnetic sucker, low-current

The machine tool magnetic sucker low-current protection circuit
The machine tool magnetic sucker low-current protection circuit

See as the circuit, the +24V is generated by stepping down the 110V power supply. When the touch spot JK of the magnetic sucker circuit is closed, the sucker is on and working, whose regulated current is 1.4A(the current of strong sucker is higher). At the moment, the sampling resistor which is serially connected in the electric sucker will have a 1.4v voltage drop, the dropped voltage is sampled by the potentiometer RP1 and imposed on the transistor VT1 input circuit, and then compound-magnified by VT1 and VT2. The multiple after being compounded by VT1 and VT2 is high.   (View)

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The ultrasonic wave remote control lamp switch working principle and circuit (1)

Published:2011/6/20 22:05:00 Author:Seven | Keyword: ultrasonic wave, remote control, working principle

The ultrasonic wave remote control lamp switch working principle and circuit (1)
The ultrasonic wave remote control lamp switch working principle and circuit (1) is shown as above:   (View)

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The working principle and circuit of the ultrasonic wave remote control lamp switch

Published:2011/6/20 1:17:00 Author:Seven | Keyword: working principle, ultrasonic wave, remote control lamp

The working principle and circuit of the ultrasonic wave remote control lamp switch
The working principle and circuit of the ultrasonic wave remote control lamp switchis shown in the figure.   (View)

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The practical ultrasonic wave remote control emitting circuit

Published:2011/6/20 22:05:00 Author:Seven | Keyword: ultrasonic wave, remote control

The practical ultrasonic wave remote control emitting circuit
The practical ultrasonic wave remote control emitting circuit is shown in the figure.   (View)

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The FM modulation circuit of crystal oscillator

Published:2011/6/20 1:33:00 Author:Seven | Keyword: FM modulation, crystal oscillator

The FM modulation circuit of crystal oscillator
In the figure is the FM modulation circuit of crystal oscillator. FM modulation has direct and indirect FM ways, the direct FM method is to directly change the frequency of the oscillating circuit, it's simple, but as it is the LC oscillating circuit, the bias is kind of noticeable, and the stability is weak, i.e the frequency is easy to be affected by the power supply voltage change and the temperature change. By using the crystal oscillating circuit, the frequency stability is high and the bias is only about 1%. In the circuit, X is a 10MHz crystal oscillator and it directly modulates the frequency of the circuit.   (View)

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The practical ultrasonic wave remote control reception circuit

Published:2011/6/20 22:06:00 Author:Seven | Keyword: ultrasonic wave, remote control

The practical ultrasonic wave remote control reception circuit
The practical ultrasonic wave remote control reception circuit is shown in the figure.   (View)

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The infrared remote control music outlet circuit

Published:2011/6/20 0:40:00 Author:Seven | Keyword: infrared, remote control

The infrared remote control music outlet circuit
The infrared remote control music outlet circuit is shown in the figure.   (View)

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The ultrasonic wave remote control lamp switch circuit

Published:2011/6/20 22:07:00 Author:Seven | Keyword: ultrasonic wave, remote control

The ultrasonic wave remote control lamp switch circuit
The ultrasonic wave remote control lamp switch circuit is shown in the above figure.   (View)

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The lighting lamp ultrasonic wave remote control circuit

Published:2011/6/20 22:09:00 Author:Seven | Keyword: lighting lamp, remote control

The lighting lamp ultrasonic wave remote control circuit
The lighting lamp ultrasonic wave remote control circuit is shown as above.   (View)

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The remote control circuit

Published:2011/6/20 22:10:00 Author:Seven | Keyword: remote control

The remote control circuit
The remote control circuit is shown in the above figure.   (View)

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The door control lamp circuit (with the electric timer and alarm)

Published:2011/6/21 22:30:00 Author:qqtang | Keyword: door control lamp, electric timer

The door control lamp circuit (with the electric timer and alarm)
The door control lamp circuit (with the electric timer and alarm) is shown as above.   (View)

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The color TV remote control 21 circuit

Published:2011/6/21 2:05:00 Author:Seven | Keyword: color TV, remote control

The color TV remote control 21 circuit
Figure: The color TV remote control 21 circuit   (View)

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Thyristor energy consumption brake control circuit

Published:2011/6/21 8:03:00 Author:John | Keyword: Thyristor

Thyristor energy consumption brake control circuit
Thyristor energy consumption brake control circuit is shown.   (View)

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Thyristor furnace temperature automatic control circuit

Published:2011/6/21 8:08:00 Author:John | Keyword: Thyristor, furnace

Thyristor furnace temperature automatic control circuit
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The SAFl039 infrared remote control reception decoding circuit

Published:2011/6/20 21:19:00 Author:Seven | Keyword: remote control, reception

The SAFl039 infrared remote control reception decoding circuit
Figure: The SAFl039 infrared remote control reception decoding circuit   (View)

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The T6A2800 (TV set) infrared remote control reception circuit

Published:2011/6/20 11:17:00 Author:Seven | Keyword: infrared, remote control

The T6A2800 (TV set) infrared remote control reception circuit
Figure: The T6A2800 (TV set) infrared remote control reception circuit   (View)

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The practical ultrasonic remote control circuit

Published:2011/6/19 10:29:00 Author:Seven | Keyword: ultrasonic, remote control

The practical ultrasonic remote control circuit
The practical ultrasonic remote control circuit is shown as follows. figure 1. the emitting circuit   (View)

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