Published:2011/5/17 19:15:00 Author:TaoXi | Keyword: silk screen, exposure, timer circuit
silk screen exposure timer circuit is as shown: (View)
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Published:2011/5/15 6:16:00 Author:chopper | Keyword: automobile-voltage, monitoring circuit
This circuit is applied to monitor the 12V power supply voltage of automobile to make sure the voltage is right.If the voltage is between 12V and 14.5V,it is regular;if the voltage is lower than 12V or higher than 14.5V,the indicator will turn on.A1,A2 is a indicator comparator,which is used to adjust potentiometer W1,W2.When power supply voltage is higher than 14.5V,B will turn on;When the voltage is lower than 12V,A will turn on;two of them is dark.
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Published:2011/5/15 1:44:00 Author:John | Keyword: Sterilizer
The sterilizer makes the use of infrared heating circuit theory. The sterilizer creates a high-temperature situation in a closed cabinet, when it is used for tableware disinfection. Its circuit is shown below.
Electric control circuit includes the AC step-down voltage regulator circuit, infrared heating circuit and timing control circuit and so forth. Single-phase AC power is transmitted from temperature limit fuses FU (10A, 150 ℃) to the primary transformer T. Then, the AC power is through the processing of step-down, rectifier and regulator. The output DC voltage achieves 9V. Such voltage would get to the anode of a single SCR through the normally closed contacts K1 (1-3). (View)
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Published:2011/5/15 6:19:00 Author:chopper | Keyword: precise diode
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Published:2011/5/17 5:11:00 Author:chopper | Keyword: remote-control fan
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Published:2011/5/17 5:07:00 Author:chopper | Keyword: Single button, switch
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Published:2011/5/17 8:02:00 Author:Joyce | Keyword: Bipolar , Voltage-Stabilizing , with Three Terminal Regulators
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Published:2011/5/17 5:13:00 Author:chopper | Keyword: interphone
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Published:2011/5/17 5:12:00 Author:chopper | Keyword: crystal diode, internal
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Published:2011/5/17 6:32:00 Author:Joyce | Keyword: Panasonic , L15
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Published:2011/5/17 7:53:00 Author:Joyce | Keyword: Regulated , Power Supply, with Operational Amplifier
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Published:2011/5/17 19:14:00 Author:TaoXi | Keyword: Gateball competition, timer circuit
Gateball competition timer circuit is as shown: (View)
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Published:2011/5/17 19:13:00 Author:TaoXi | Keyword: Transistor, delay circuit
Transistor delay circuit (View)
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Published:2011/5/17 8:00:00 Author:Joyce | Keyword: Transistor , Voltage-stabilizing
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Published:2011/5/17 7:56:00 Author:Joyce | Keyword: Voltage-stabilizing and Constant-current, with Operational Amplifier
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Published:2011/5/17 7:43:00 Author:Joyce | Keyword: 10W Power , Amplifier
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Published:2011/5/17 7:51:00 Author:Joyce | Keyword: Simple and Utility , Lithium Battery, Charger
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Published:2011/5/17 7:59:00 Author:Joyce | Keyword: Obtaining Exact -5V from +15V Power Supply
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Published:2011/5/17 6:08:00 Author:Joyce | Keyword: UHF, Amplifier
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Published:2011/5/17 7:25:00 Author:Robert | Keyword: Huari Brand, Refrigerator
The Huari Brand BY-150D Refrigerator Circuit is shown below.
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