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MCO137-Single chip micro computer control integrated circuit

Published:2011/6/17 7:42:00 Author:leo | Keyword: MCO137-Single chip micro computer control integrated circuit

MCO137-Single chip micro computer control integrated circuit
MCO137 is a kind of single chip micro computer control integrated circuit made by Motorola. It is widely used in automatically soy milk grinder. Function Features: MCO137 integrated circuit contains electric machinery and heating wire control circuit, key switch code control circuit, ring driving circuit, high water level detecting circuit and so on. classic application circuit:MC1037 application is shown in the picture. (View)

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The constant current source detecting circuit of the temperature sensor

Published:2011/6/30 22:06:00 Author:qqtang | Keyword: constant current source, temperature sensor

The constant current source detecting circuit of the temperature sensor
In the figure, when the constant current source becomes the load, the loading current will remain the same, the voltage drop of the wire resistance is a constant value, therefore, the output voltage changes in the patten of 10mV/℃. Generally, the control distance can be more than a kilometer. (View)

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The Volkswagon big lamp washer circuit

Published:2011/6/30 22:08:00 Author:qqtang | Keyword: Volkswagon, big lamp washer

The Volkswagon big lamp washer circuit
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The power supply fault monitoring circuit

Published:2011/6/30 21:05:00 Author:qqtang | Keyword: power supply, fault monitoring

The power supply fault monitoring circuit
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The over-temperature monitor and alarm circuit

Published:2011/6/30 21:16:00 Author:qqtang | Keyword: over-temperature, monitor and alarm circuit

The over-temperature monitor and alarm circuit is adopted with the integrated circuit temperature sensor as the test element, it only sets a upper temperature limit control point. When it is over the limit, the circuit will emitting the alarm sound to attract the user's attention. The circuit is shown in the figure, which consists of the temperature detector and over temperature monitoring circuit, alarm sound generating and output circuit. (View)

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The Volkswagon cruize control circuit

Published:2011/6/30 21:17:00 Author:qqtang | Keyword: Volkswagon, cruize control

The Volkswagon cruize control circuit
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The Volkswagon external lamp circuit

Published:2011/6/30 21:19:00 Author:qqtang | Keyword: Volkswagon, external lamp

The Volkswagon external lamp circuit
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The temperature upper and lower limit controller circuit

Published:2011/6/30 21:40:00 Author:qqtang | Keyword: temperature, limit controller

The temperature upper and lower limit controller circuit
The circuit consists of one of the dual D trigger CD4013, which is simple and has the upper/lower limit temperature control function. The controlled temperature can be preset by the potentiometer, when it is over the preset temperature, the power is cut-off automatically. It can be used in heating process industrious equipment, the circuit is shown in the figure. In the circuit, the D trigger is assembled as a RS trigger, and the thermistor MF51,which is used in industrious control, is the temperature sensor. (View)

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The Volkswagon big light circuit

Published:2011/6/30 21:01:00 Author:qqtang | Keyword: Volkswagon, big light circuit

The Volkswagon big light circuit
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The circuit of impeding discharge of the capacitor

Published:2011/6/30 21:42:00 Author:qqtang | Keyword: discharge, capacitor

The circuit of impeding discharge of the capacitor
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The auto ventilation and cooling down circuit

Published:2011/6/30 22:24:00 Author:qqtang | Keyword: ventilation, cooling down

The auto ventilation and cooling down circuit

In the figure, MAX6501 is a MAX temperature switch integrated circuit which is produced by MAXIM, the USA, the temperature control range is 45～115℃. The internal function frame circuit of MAX6501 is shown as above. (View)