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Flashing battery monitor circuit diagram

2015-01-21 08:55  
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This?flashing?battery?monitor?circuit?can operate?from?a variety of?voltages?from?6V?to12V. The?voltage?level?at which?an?LED?stops?flashing?can be set?by adjusting?R4. When the?a preset?battery?voltage?reaches?threshold?flashing?frequency?decreases?andwhen?the voltage?drops below?the threshold of?the diode?D1?LED?turns?OFF.

The schematic diagram come from circuit: Flashing battery monitor power supply. Go to that page to read the explanation about above power supply related circuit diagram.Flashing battery monitor
Here is a?simple battery monitor circuit?in which the?LED?will?continue?flashing?until battery voltage?is above the?level. Transistors?Q1?and?Q2?are?wired?as?an astable multivibrator?circuit. This?flashing?battery?monitor?circuit?can operate?from?a variety of?voltages?from?6V?to12V. The?voltage?level?at which?an?LED?stops?flashing?can be set?by adjusting?R4.? When the?a preset?battery?voltage?reaches?threshold?flashing?frequency?decreases?andwhen?the voltage?drops below?the threshold of?the diode?D1?LED?turns?OFF. This is used?to?compensate for changes?in?voltage of?the base?emitter?Q1?due the ...

Car Battery Monitor with 3 LED
Car Battery Monitor circuit description: This is a circuit diagram of the 3 LED bar graph type battery monitor ideal for monitoring the voltage level of the car battery voltage with battery. When the battery voltage is 11.5V or less ...

5 Volt TTL Voltage Monitor
This is a simple device designed to control supply voltage 5 V Monitor provides information signals TTL level, accompanied by the LED display, indicating that stress or deviated from the nominal value, or vice versa, is in a "box". The ...

Solar panel battery charger
The solar?battery charger?circuit is?nothing but a?dual?comparator?that connects the?solar panel?to the battery?when the?voltage at?the?latter terminal?is low?and disconnected if?exceeding a certain threshold. Since it?is?only?by?measuring the?battery voltage,?it is especially intended?for lead batteries, a?electrolyte?liquid or gelled, that?adapt?the?best?of?this?way. The battery voltage?separated?by?R3?before being fed?to?the two comparators?in?IC2, ...

PC power supply protection
A PC power supply, has a protective function for the computer. Protection device consists of several protection circuits that have different responsibilities, and in emergencies will be shut down the computer. The first protection system is the current limit. Each ...


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