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技术分类： 国外电路图(一)   

Car anti theft wireless alarm.

dolphin 2009-08-25

This FM radio-controlled anti- theft alarm can be used with any vehicle having 6- to 12-volt DC supply system.......

theft wireless alarm.

High and Low Voltage Cutout with delay and Music

dolphin 2009-08-25

Voltage variations and power cuts adversely affect various equip- ment such as TVs, VCRs, music systems and re......

Voltage Cutout delay Music

High Voltage, Low Current Supply

dolphin 2009-08-25

Ahigh voltage power supply is a very useful source which can be effectively used in many applications like bia......

Voltage Current Supply

A simple Car Battery Charger

dolphin 2009-08-25

This very simple circuit uses a transformer ,two diodes , a capacitor and an ammeter. To charge a battery just......

simple Battery Charger

Over / Under Voltage Cut-Out

dolphin 2009-08-25

This over/under voltage cut-out will save your costly electrical and electronic appliances from the adverse ef......

Under Voltage Cut-Out

Self switching Power Supply

dolphin 2009-08-25

One of the main features of the regulated power supply circuit being presented is that though fixed-voltage re......

switching Power Supply

Ultra low drop linear voltage regulator

dolphin 2009-08-25

The circuit is a MOSFET based linear voltage regulator with a voltage drop of as low as 60 mV at 1 ampere. Dro......

Ultra linear voltage regulator

Emergency Light

dolphin 2009-08-25

The circuit of automatic emergency light presented here has the following features: 1. When the mains supply (......

Emergency Light

Automatic Room Lights

dolphin 2009-08-25

An ordinary automatic room power control circuit has only one light sensor. So when a person enters the room i......

Automatic Lights

Running Message Display

dolphin 2009-08-25

Light emitting diodes are advan- tageous due to their smaller size, low current consumption and catchy colours......

Running Message Display
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