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Ultrasonic whistle remote control fan speed regulation with sound waves circuit diagram

Published:2011/4/6 1:57:00 Author:Rebekka | Keyword: Ultrasonic whistle, remote control fan , speed regulation with sound waves

Ultrasonic whistle remote control fan speed regulation with sound waves circuit diagram
Circuit is shown as below. it includes two parts, ultrasonic sound flute and Asia ultrasound receive/control circuits. Ultrasonic whistle can remote control the speed of electric fan. The features are: Convenient operation, strong anti-interference etc. The circuit will give a cool simulation sound of the waves. (View)

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Pyroelectric infrared sensor socket with analog voice circuit diagram(BISS0001)

Published:2011/4/6 3:02:00 Author:Rebekka | Keyword: Pyroelectric infrared sensor socket

Pyroelectric infrared sensor socket with analog voice circuit diagram(BISS0001)
Here is the schematic diagram of the circuit. It consists of pyroelectric infrared sensor, infrared signal processing circuit, relay control socket circuits, analog voice circuits and AC step-down rectifier circuit. When someone walk into the venue of pyroelectric infrared surveillance, the socket will be energized and the electrical equipment will be started; At the same time, analog voice circuits will be audible. (View)

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Simple silicon-controlled dimmer circuit diagram

Published:2011/4/5 21:46:00 Author:Ecco | Keyword: Simple silicon-controlled , dimmer

Simple silicon-controlled dimmer As shown in Figure 13, it is a simple circuit of SCR dimming lights. The w resistance in the potentiometer decreases, SCR conduction angle increases, the light's intensity increases, the resistance enlarges, the SCR conduction angle decreases, the light's intensity decreased. It can also be used as adjusting the heating temperature. (View)

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Simple music control lights circuit diagram

Published:2011/4/5 21:17:00 Author:Ecco | Keyword: Simple music , control light

Simple music control lights circuit It connects according to the chart 40, The audio voltage with the partial pressure can trigger bidirectional triode thyristor by transformer, the strength of the lamp changes alternately according to the music signal light, when using, the potentiometer can be connected directly to the tape recorder speaker at both ends. (View)

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Two 110-volt light bulbs connected to the 220-volt power supply circuit

Published:2011/4/6 1:47:00 Author:Ecco | Keyword: 110-volt light bulb, 220-volt power supply

Two 110-volt light bulbs connected to the 220-volt power The power supply in some areas is 110V while the majority of the power supply in majority of areas is 220V, as shown in Figure 8, two 110V bulbs can be connected to the 220V power supply in series connection. Note: The power of two 110V lamps must be the same, otherwise, the smaller power bulb will be burnt earsily. (View)

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The fluorescent with reactive power compensation circuit diagram

Published:2011/4/6 2:20:00 Author:Ecco | Keyword: fluorescent , reactive power compensation

The fluorescent with reactive power compensation As ballast is an inductive load. It needs to consume some reactive power, causing the power factor of fluorescent lamp decreases. It affects the ability of full-powered devices, and reduces the voltage of power stations, and it's harmful to saving electricity. In order to improve power factor, where the using of fluorescent lamps, fluorescent lamp power supply side should be parallel connected a capacitor, so that the ballast's reactive power can be provided by capacitor. Figure 25 shows. The size of capacitor and fluorescent power is related. Fluorescent power is 15 ~ 20W, matching capacitance is 2.5μF; fluorescent power is 30w, the optional capacitance is 3.75μF; fluorescent power is 40w, the optional capacitance is 4.75μF. The optional capacitor voltage are 400V. (View)

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TA7666P dual five LED level display driving circuit

Published:2011/4/6 20:38:00 Author:Ecco | Keyword: dual five , LED level , display driving

TA7666P dual five LED level display driving circuit
(View)

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Infrared remote control delay light switch circuit diagram

Published:2011/4/12 4:28:00 Author:Rebekka | Keyword: infrared remote control

Infrared remote control delay light switch circuit diagram
\ The circuit consists of infrared receiver, one-shot delay circuit and the silicon components (View)

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LB1409 nine LED level display driver circuit

Published:2011/4/6 20:17:00 Author:Ecco | Keyword: nine LED , level display , driver circuit

LB1409 nine LED level display driver circuit
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Reflection type light delay switch circuit diagram

Published:2011/4/12 4:26:00 Author:Rebekka | Keyword: Reflection type light delay switch

Reflection type light delay switch circuit diagram
TX05D is a low power infrared reflection switch control components. (View)

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Reflection type infrared control circuit diagram

Published:2011/4/12 4:25:00 Author:Rebekka | Keyword: Reflection type infrared control

Reflection type infrared control circuit diagram
(View)

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Using tone decoder infrared remote control circuit diagram

Published:2011/4/12 4:23:00 Author:Rebekka | Keyword: tone decoder, infrared remote control

Using tone decoder infrared remote control circuit diagram

Eight-channel remote control transmitter: Receiving, voltage amplification, decoding circuit: (View)

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Using audio coding wireless alarm system circuit diagram

Published:2011/4/12 4:20:00 Author:Rebekka | Keyword: audio coding wireless alarm system

Using audio coding wireless alarm system circuit diagram
Figure(A) shows the launch of the system circuit.Figure(B) shows the receiver circuit of the system. (View)

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Common infrared remote control code and decoding circuit diagram

Published:2011/4/12 4:18:00 Author:Rebekka | Keyword: Common infrared remote control

Common infrared remote control code and decoding circuit diagram
(View)

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ZH9576 internal circuit and pinout function circuit diagram

Published:2011/4/12 4:17:00 Author:Rebekka | Keyword: internal circuit , pinout function circuit

ZH9576 internal circuit and pinout function circuit diagram
ZH9576 is infrared control circuit that composed of a set of infrared emission, infrared receiver demodulation and control output as a whole. (View)