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Nokia Cell Phone - Schematic Design
29 May

Nokia Cell Phone - Schematic Design

This is the Nokia cellphone wiring diagram collection. Fixing a cell phone is basically not a difficult thing. All you need is proper equipment, basic

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CD/DVD/Bluray-Disk Drives Troubleshooting and Repair Tutorial - Schematic Design
23 Aug

CD/DVD/Bluray-Disk Drives Troubleshooting and Repair Tutorial - Schematic Design

This is the CD Drives troubleshooting and repair tutorial for your electronic service reference. It should be work and also largely relevant for DVD/HD

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Ultrasonic Sensor Switch - Schematic Design
27 Dec

Ultrasonic Sensor Switch - Schematic Design

Here is the circuit diagram of ultrasonic sensor switch. There are many methods of wireless switching such as by using infrared, AM/FM signal, bluetooth,

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Simple Fire Alarm with Thermistor and NE555 - Schematic Design
14 Jan

Simple Fire Alarm with Thermistor and NE555 - Schematic Design

The following circuit is a simple fire alarm circuit based NE555 timer and use thermistor as a temperature detector. This sensor will activate the transistor

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Flame, gas and smoke detector - Schematic Design
02 Aug

Flame, gas and smoke detector - Schematic Design

Flame, gas and smoke detector for fire alarm. You can combine this circuit with alarm circuit. The output will be the relay which switch on and switch off

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Touch Switch - Schematic Design
16 Jan

Touch Switch - Schematic Design

Turn on and turn off your electrical devices using touch switch, so you can “play” your electronic devices more fun.. . Touch switch don’t need mechanical

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Color Detector - Schematic Design
14 Jun

Color Detector - Schematic Design

This is the color detector / sensor circuit diagram. This circuit will sense eight colors that are: green, red and blue (as primary colours); magenta, cyan

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Dark and Light Activated Relay - Schematic Design
01 Feb

Dark and Light Activated Relay - Schematic Design

This is the basic dark and light sensor which using photoresistor as sensing component. The transistor act like as a switch, when the “switch” in on

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Tone Detector / Sound Activated Switch - Schematic Design
22 May

Tone Detector / Sound Activated Switch - Schematic Design

The following circuit diagrams are tone detector circuit diagrams which also known as sound activated switch circuit. Actually, these circuits use microntroller

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LEDs Temperature Indicator circuit
06 Apr

LEDs Temperature Indicator circuit

This is a LEDs temperature indicator which will provide output indicator of the temperature around the circuit. The indicator is just 2 pieces LEDs (D1

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