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Index 423

Digital Lunar, Zodiac projection device circuit

Published:2011/11/7 20:37:00 Author:Ecco | Keyword: Digital Lunar, Zodiac projection device

Digital Lunar, Zodiac projection device circuit
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TTL LED driver circuit

Published:2011/11/3 3:37:00 Author:Ecco | Keyword: TTL LED driver

TTL LED driver circuit
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VU circuit composed of M3916

Published:2011/11/3 3:35:00 Author:Ecco | Keyword: VU circuit

VU circuit composed of M3916
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LED half-wave rectification circuit

Published:2011/11/1 22:14:00 Author:Ecco | Keyword: LED half-wave rectification

LED half-wave rectification circuit
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The internal circuit and typical application circuit diagram of EC189

Published:2011/11/8 21:28:00 Author:Ecco | Keyword: internal circuit, typical application

The internal circuit and typical application circuit diagram of EC189
Working diagram is shown as the chart. It represents theinternal circuit diagram and typical application circuitof EC189controlled by 4 × 4 dot matrix sound and light controlling circuit. It mainly consists of the amplification circuit / rectifier, voltage-controlled oscillator (VC0), counter / decoder , driver and power supply voltage regulator and other components. (View)

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DSM-872 Typical application circuit 2

Published:2011/11/8 21:35:00 Author:Ecco | Keyword: Typical application

DSM-872 Typical application circuit 2
As shown in the chart, due to 3,4 feet output alternately high and low, SCR1 and SCR2 turnand two bulbs flash alternately. (View)

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875p computer motherboard circuit diagram 029

Published:2011/10/31 20:57:00 Author:Ecco | Keyword: computer motherboard

875p computer motherboard circuit diagram 029
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DSM-872 Typical application circuit 1

Published:2011/11/8 21:33:00 Author:Ecco | Keyword: Typical application

DSM-872 Typical application circuit 1
As shown in the chart, when the IC's 3,4 feet are alternatinghigh , low , thelight-emitting diodes LED1 and LED2emit light alternately. (View)

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875p computer motherboard circuit diagram 001

Published:2011/10/28 1:42:00 Author:Ecco | Keyword: computer motherboard

875p computer motherboard circuit diagram 001
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FM launcher circuit 03

Published:2011/11/3 2:44:00 Author:Ecco | Keyword: FM launcher

FM launcher circuit 03
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FM launcher circuit 02

Published:2011/11/1 22:20:00 Author:Ecco | Keyword: FM launcher

FM launcher circuit 02
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Water level detection circuit

Published:2011/11/7 20:40:00 Author:Ecco | Keyword: Water level detection

Water level detection circuit

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FM launcher circuit 01

Published:2011/11/3 2:43:00 Author:Ecco | Keyword: FM launcher

FM launcher circuit 01
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The principle diagram of DVD circuit

Published:2011/11/3 2:29:00 Author:Ecco | Keyword: DVD circuit

The principle diagram of DVD circuit
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The power supply circuit diagram of AST-2 color display

Published:2011/11/3 2:28:00 Author:Ecco | Keyword: power supply , color display

The power supply circuit diagram of AST-2 color display
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Automatic deodorizer

Published:2011/11/8 21:24:00 Author:Ecco | Keyword: Automatic deodorizer

Automatic deodorizer

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845E computer motherboard circuit diagram 54

Published:2011/10/31 4:07:00 Author:Ecco | Keyword: computer motherboard

845E computer motherboard circuit diagram 54
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845E computer motherboard circuit diagram 53

Published:2011/10/31 4:10:00 Author:Ecco | Keyword: computer motherboard

845E computer motherboard circuit diagram 53
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Quadraphonic Amplifier

Published:2011/11/7 21:40:00 Author:Ecco | Keyword: Quadraphonic Amplifier

Quadraphonic Amplifier
This is a four channel amplifier ideally suited for use with quadraphonic equipment such as a Sound Blaster Live card. There is no volume control,audio levels being directly controlled from the sound card itself. Parts List:D1-D4: 1N4001 (4)C1,C20: 1000u CAP (2)C2,C11: 47u CAP (2)C3,C5,C7,C8,C12,C14,C16,C17,C21,C22: 0.1u CAP (10)C4,C6,C13,C15: 10u CAP (4)C9,C10,C18,C19: 2200u CAP (4)R1,R4,R9,R12: 1M RESISTOR (4)R2,R6,R10,R14: 100k RESISTOR (4)R3,R5,R11,R13: 1k RESISTOR (4)R7,R8,R15,R16: 2R7 RESISTOR (4)IC1: 7812 (1)IC2,IC3: LM1778N (2)SPK1,SPK2,SPK3,SPK4: 8R 2 Watt speakers (4) (View)