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Motor vehicle steering flasher 7

Published:2011/4/21 20:39:00 Author:Ecco | Keyword: Motor vehicle , steering , flasher

Motor vehicle steering flasher 7
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HY5PS121621BFP address / control end parallel terminal circuit diagram

Published:2011/4/24 22:34:00 Author:May | Keyword: address / control, end parallel terminal

HY5PS121621BFP address / control end parallel terminal circuit diagram
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Automatic regulated voltage inverter circuit

Published:2011/4/24 22:26:00 Author:May | Keyword: Automatic regulated voltage, inverter

Automatic regulated voltage inverter circuit
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Usb turning 232 circuit

Published:2011/4/24 21:21:00 Author:Ecco | Keyword: Usb , turning , 232

Usb turning 232 circuit
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USB turning serial circuit diagram

Published:2011/4/24 21:44:00 Author:Ecco | Keyword: USB, turning, serial

USB turning serial circuit diagram
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Relay separation circuit of DTL

Published:2011/4/14 2:23:00 Author:muriel | Keyword: 2N1935, Relay separation circuit , DTL

Relay separation circuit of DTL
The character of the relay:coil impedance is 400Ω, action current is 55mA. In the circuit, transistor can offset and prevent the producing current to the tube. When DTL logic circuit output 0 , Q1 cut off, there is current flows go through in the LED, Q2 cut off, relay K1with no action. When DTL logic circuit output 1 , Q1 breakover, there is no current flows gothrough in the LED, Q2 breakover, The action time is connected with the mechanical response characteristics of relay. (View)

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MAX232 Connection methods

Published:2011/4/24 21:29:00 Author:Ecco | Keyword: Connection method

MAX232 Connection methods
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Serial taking power and 232 conversion

Published:2011/4/24 21:47:00 Author:Ecco | Keyword: Serial, taking power , 232 , conversion

Serial taking power and 232 conversion

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A multi-purpose card reader principle diagram

Published:2011/4/24 22:02:00 Author:Ecco | Keyword: multi-purpose , card reader , principle diagram

A multi-purpose card reader principle diagram
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1.5MHz to 5.7MHz Optical isolation type VYO circuit

Published:2011/4/20 22:33:00 Author:muriel | Keyword: 1.5MHz to 5.7MHz, Optical isolation type , VYO circuit

1.5MHz to 5.7MHz Optical isolation type VYO circuit
The circuitwithlong time frequency stability that can ignore thetemperature changes and eliminate the load on the frequency of the pulse. Oscillator uses theemitter coupled circuit , transistor isthe low-noise 2N3707. In addition, italso givesthe output amplifier and automatic amplitude control circuit. The circuit are designed for the equipment ofamateur radio enthusiasts.nt. (View)

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AT88RF circuit diagram

Published:2011/4/24 21:45:00 Author:Ecco

AT88RF circuit diagram
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The 8051 circuit diagram

Published:2011/4/24 21:55:00 Author:Ecco

The 8051 circuit diagram
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Timing doorbell circuit diagram with CW9300

Published:2011/4/21 21:40:00 Author:muriel | Keyword: Timing doorbell

Timing doorbell circuit with CW9300: As shown is Timing doorbell circuit diagram with CW9300. It has timing function, when we push the button,it will play musicforsome seconds, if we re-push the button immediately after loosing it, the doorbell will not ring either. (View)