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Index 1631

Honda Fit lighting system with speakers circuit

Published:2011/7/4 0:27:00 Author:John | Keyword: lighting system, speaker

Honda Fit lighting system with speakers circuit
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TV remote control 08 circuit

Published:2011/7/4 0:19:00 Author:John | Keyword: TV remote control

TV remote control 08 circuit
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TV remote control 07 circuit

Published:2011/7/4 0:20:00 Author:John | Keyword: TV remote control

TV remote control 07 circuit
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Compressor phase protection circuit

Published:2011/7/4 0:19:00 Author:John | Keyword: Compressor

Compressor phase protection circuit
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sound and light of resistance furnace alarming circuit

Published:2011/7/4 0:17:00 Author:John | Keyword: resistance furnace

sound and light of resistance furnace alarming circuit
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Pump starting-stoping control circuit

Published:2011/7/4 0:22:00 Author:John | Keyword: Pump

Pump starting-stoping control circuit
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Circuit Diagram of Photoelectronic Pulse Omission Detection Composed of 556

Published:2011/7/2 1:03:00 Author:Vicky | Keyword: Photoelectronic Pulse Omission Detection

Circuit Diagram of Photoelectronic Pulse Omission Detection Composed of 556
There is a several millimetric slit between the luminotron and photosensitive tube inside photoelectronic switch H13B1. When light-isolator object from outside is plugged into the slit, the photosensitive tube inside H13B1 presents high impedance because of the cutting-off of the beam of light. Then the IC1-2(1/2 556) sends out high level because that the pulse signal detection cannot receives reset signal, and it turns into a transient stability state. The correspondent transient stability time is td=1.1RwlC2 and the td can be changed by modulating W1. If the signal interrupting duration is longer than the transient stability time, IC1-2 resets, pin ③ sends out low level which stops BG1, SCR is conducted and the load RL is correspondently conducted. It will either cut down the power supply circuit or send out alarming signal. (View)

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TV remote control 06 circuit

Published:2011/7/4 0:22:00 Author:John | Keyword: TV remote control

TV remote control 06 circuit
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TV remote control 05 circuit

Published:2011/7/4 0:25:00 Author:John | Keyword: TV remote control

TV remote control 05 circuit
The resistance forresistors marked with ＊ is optional within10k-100k, which is set aslarge as possible. (View)

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Polaris JD-11W electronic ballast circuit diagram

Published:2011/6/30 22:37:00 Author:Ecco | Keyword: Polaris , electronic ballast

Polaris JD-11W electronic ballast circuit diagram
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Precision regulated DC power supply circuit diagram made by TL431

Published:2011/7/1 2:16:00 Author:Ecco | Keyword: Precision , regulated , DC power supply

Precision regulated DC power supply circuit diagram made by TL431
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Transistor switching circuit diagram

Published:2011/6/30 3:08:00 Author:Ecco | Keyword: Transistor, switching

Transistor switching circuit diagram
In the Figure: when GPIO end is low, the transistor turns on, then the pin 3 output is 3. 3V; when GPIO terminal is high, the transistor is off, the pin 3 output is 0V. (View)