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  • Flashing battery monitor

    2016-05-12 04:42:3870

    Description. Here is a simple circuit in which an LED will continue flashing as long as the voltage of the battery to be monitored is above the set lev...

  • Automatic Battery Charger circuit

    2016-05-12 04:38:38192

    Here is a 12 volt Lead Acid battery charger that shut off the charging process once the battery attains full charge. This prevents overcharging of the ...

  • 25_A_BATTERY_CHARGER

    2016-05-12 04:34:4082

    Battery chargers are usually designed without regard for efficiency, but the heat generated by low-efficiency chargers can present a problem. For those...

  • Camera Nickel-cadmium Battery Discharger Circuit

    2016-05-12 04:26:4365

    Camera Nickel-cadmium Battery Discharger Circuit is shown in the graph below.After preshing AN, J1 will actuate. At this time, because the voltage on t...

  • Battery Level Indicator (LM3914)

    2016-05-12 04:26:34815

    This article describes the Battery Level Indicator (LM3914). The principle is very simple, very practical. The circuit components can help you understa...

  • BATTERY_TEST_CIRCUIT

    2016-05-12 04:24:5276

    Using this circuit, three levels of voltage can be displayed-normal (11 to 15 V), high (15 V), and low (11 V). When the voltage is low, the LED glows s...

  • 12V battery level indicator circuit (LED bargraph)

    2016-05-12 04:23:5677

    12V battery level indicator circuit with   LED bar /dot displayLM3914. The heart of this circuit is the LM3914 from national semiconductors. The LM391...

  • battery car charger production with low cost and high reliab

    2016-05-12 04:23:5569

    Currently, MC3842 is the most widely used and the earliest single-ended drive for directly driving switch MOS FET. MC3842 can not put a stable voltage....

  • Nicad Battery Charger (CA3140E)

    2016-05-12 04:14:3189

    This article describes the Nicad Battery Charger (CA3140E). The principle is very simple, very practical. The circuit components can help you understan...

  • prolonging signal light battery life circuit

    2016-05-12 04:13:1563

    Use former two out of 4011 CMOS’s 4 non-door to constitute a chopper oscillator. And use a 1MΩ potentiometer to change the duty cycle. If the third ...

  • 9V DC Adapter With Battery Backup(1N4004)

    2016-05-12 04:13:0665

    This article describes a 9V DC Adapter With Battery Backup (1N4004). The principle is very simple, very practical. The circuit components can help you ...

  • Battery Self discharge Indicator

    2016-05-12 04:10:3266

    If the lead acid battery is not using for long time, self discharge takes place at the rate of 4 % per week at 27 degree. For example, a 125 Ah tubular...

  • BATTERY_OPERATED_DICTATING_MACHINE

    2016-05-12 04:04:5760

    Amplifier voltage is regulated by Q5 and zener diode. Q6 functions as on-off switch controlled either by microphone switch or by metallic coating at bo...

  • AAT3680 lithium battery linear charging integrated circuit

    2016-05-12 04:02:1268

    The AAT3680 is designed as one kind of lithium battery linear charging integrated circuit that can be used in cellphone, PDA, digital camera and the de...

  • Simple 12 Volt Battery charger

    2016-05-12 04:01:0670

    This kind of battery charger circuit will quickly and easily recharge almost every lead acid battery pack.This battery charger supplies maximum current...

  • Battery Charge Nominal Discharge Indicator Circuit

    2016-05-12 03:55:20122

    12V Battery Charge Nominal Discharge (Low) Indicator Circuit This circuit monitors car battery voltage. It provides an indication of nominal supply vol...

  • Automatic Battery Charger 6V-12V with Relay cut off by LM324

    2016-05-12 03:44:06250

    Automatic Battery Charger 6V-12V with Relay cut off by LM324 This be battery charger the automatic circuit again interesting circuit. Because of use IC...

  • Micropower_battery_splitter

    2016-05-12 03:43:5061

    This circuit provides symmetrical ±output voltages, both equal to one-half the input voltage (one 9-V battery in this case). The output voltages are r...

  • Charger for Motor Vehicle Storage Battery (the 1st)

    2016-05-12 03:34:0569

    Work of the circuitThe circuit consists of resistor R1, R2, stabilization diode VS and so on. (It is showed in picture 7-146.)The AC voltage of the far...

  • DS2438 used for measuring traction battery packs circuit

    2016-05-12 03:33:0862

    Traction battery packs test chip produced by America Dallas company has rich function, and itis convenient to achieve monitoring the running state of e...

  • How to build 12 Volt Battery Guardian Circuit

    2016-05-12 03:27:5978

    Description Don't get caught with a flat battery; this easy-to-build circuit can cut off the power to a 12V fridge or car stereo system if the battery ...

  • Practical intelligent battery charger circuit

    2016-05-12 03:25:25130

    This article explains the practical and intelligent battery charger circuit. The circuit is simple but effective. For your more thorough grasp of this ...

  • Automatic shutoff battery charger

    2016-05-12 03:25:02160

    Adjust by setting the 500 ohm resistor while attached to a fully charged battery. Reprinted Url Of This Article: http://www.next.gr/power-supplies/char...

  • The Li-ion battery drive white light LED circuit composed of

    2016-05-12 03:22:1968

    LTC3202 is an electric charge pump without gates which is produced by Linear Technology Corp., in the figure is the Li-ion battery drive white light LE...

  • CAR_BATTERY_MONITOR

    2016-05-12 03:20:0067

    Waring light (LED) indicates when battery Voltage falls below level set by 10 K pot. Can indicate that battery is defective or needs charging if cranki...

  • Simple nickel-cadmium battery charging circuit composed of t

    2016-05-12 03:14:5262

    The charger of the figure is composed of three components, it is the simplest charger, this circuit is the capacitor current limiting charging circuit,...

  • Standby operation circuit for battery

    2016-05-12 03:13:0562

    Standby battery circuit Welcome back to Free circuit dot com ,today i would like to show you with simple circuit that will find many applications as em...

  • Battery Saver Circuit Diagram(BS170)

    2016-05-12 03:09:4580

    This article describes Battery Saver Circuit Diagram (BS170). The principle is very simple, very practical. The circuit components can help you underst...

  • Lithium-Ion Linear Battery Charger with Thermistor Interface

    2016-05-12 02:54:1274

    Here is a Lithium-Ion Linear Battery Charger with Thermistor Interface with the LTC4050-4.X from Linea technology.The LTC 4050-4.1 and LTC4050-4.2 are ...

  • Battery-Temperature Sensing Nicad Charger

    2016-05-12 02:13:2463

    Two simple circuits permit Nicad charging of a battery based on temperature differences between t he battery pack and the ambient temperature. This met...

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