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  • NiCAD Battery Charger with Current and Voltage Limiting circ

    2016-05-11 12:04:27116

    The following diagram is the schematic diagram of Ni-CAD Battery Charger circuit which featured with current and voltage limiting to keep the battery l...

  • LITHIUM_BATTERY_CHARGER

    2016-05-11 12:00:5484

    Charging is accomplished with a constant current of 60 mA for AA cells to a cutoff voltage of 2.4 V per cell at which point the charge must be terminat...

  • CAR_BATTERY_VOLTMETER_WITH_BAR_GRAPH_DISPLAY

    2016-05-11 11:50:2963

    This uses an LM3914 bar-graph display, IC1, adapted to measure its own supply, so you simply wire it directly across the 12-V supply voltage (right way...

  • Ni_CAD_BATTERY_ZAPPER_II

    2016-05-11 11:45:0060

    This zapper clears intemal short in nickel cadmium batteries by buming it away. CAUTION: The negative battery terminal is connected to one side of the ...

  • Constant Current Battery Charger(TIP32)

    2016-05-11 11:44:5191

    This article describes the Constant Current Battery Charger (TIP32). The principle is very simple, very practical. The circuit components can help you ...

  • Automatically detecting the battery voltage indicator circui

    2016-05-11 11:39:3864

    the battery voltage indicator This simple circuit can detect the battery voltage. When the voltage is lower than the preset voltage set by the variable...

  • Battery Level Monitor circuit

    2016-05-11 11:39:3072

    This simple circuit can monitor the charging process in 12 Volt Lead Acid battery or Tubular battery. The status of LED indicates whether the battery i...

  • UJT_BATTERY_CHARGER

    2016-05-11 11:39:0166

    This circuit will not work unless the battery to be charged is connected with proper polarity. The battery voltage controls the charger and when the ba...

  • MAXl811-lithium battery charging integrated circuit diagram

    2016-05-11 11:37:2864

    MAXl811 is a lithium battery charging integrated circuit, the charger which is composed of this IC is widely used in MP3 player, digital camera and PDA...

  • 12V Battery checker circuit

    2016-05-11 11:36:3591

    This is a 12V battery checker circuit that uses 3 LEDs that light up at their respective voltages. The red LED lights up when the battery voltage is be...

  • SINGLE_IC_BATTERY_BACUP_MANAGER

    2016-05-11 11:34:0762

    Instruments powered by a wall adapter with battery backup typically diode-OR the battery and wall-adapter connections. That arrangement carries a penal...

  • Battery_powered_wall_thermostat

    2016-05-11 11:32:0765

    Fig. 13-29 This circuit shows a battery-powered thermostat using an LTC1041.Temperature is sensed using a thermistor connected in a bridge with a poten...

  • BattMan II: Build a Computer Controlled Battery Manager

    2016-05-11 11:31:2163

    BattMan II consists of five subsystems: power supply, current control, battery connection, voltage measurement, and logic power.The power supply I used...

  • 12_V_BATTERY_CHARGER_CONTROL

    2016-05-11 11:18:2473

    Ujt with R1, R2, R3, and C1 form relaxation oscillator that gets power from battery being charged andserves to trigger scr through T1. When required fi...

  • How to build NiMh and NiCd Battery Charger Circuit

    2016-05-11 11:06:4072

    Description This automatic NiCd charger for 9V NiCd batteries is using 555 timer properties and is very easy to build. Why is an automatic 9 volts NiCd...

  • Battery Charger Circuit, 12V

    2016-05-11 11:03:3572

    This battery charger circuit can be used to charge one or more batteries with the total nominal voltage of 12 V, meaning ten NiCd battery or six 2 V le...

  • FLASHING_LED_FOR_LOW_BATTERY

    2016-05-11 10:42:5464

    Developed for use in portable battery-operated test instrument to provide visual indication that depletion level has been reached for series arrangemen...

  • Li-On Battery Charger via USB

    2016-05-11 10:36:23158

    Figure 1 A USB port is a great power source for charging a single cell li-on battery. It is capable of supplying maximum 5.25V and 500 mA. The circuit ...

  • One 9V battery gives +18, +25, +33V

    2016-05-11 10:31:4864

    For you high-voltage minibooster fans out there, here's the one-chip, one battery way to do it. The MAX1044 is a charge pump converter - it uses a capa...

  • 1_Hz_CLOCK_WITH_BATTERY_BACKUP

    2016-05-11 10:31:4561

    Circuit normally produces output pulses at 1-s intervals with basic accuracy corresponding to that of power-line frequency. Programmable 8260 timer ope...

  • 12_conbattery_charger_with_20_ampere_PMS_maximum

    2016-05-11 10:25:0670

    12-conbattery charger with 20-ampere PMS maximum.ms circuits a simple relaxation oscillator using a UJT,The circuit will not work unless the polarity...

  • 3 LED battery monitor circuit

    2016-05-11 10:11:0867

    Are you not familiar with the basics of electronics? We have just opened an online store where 4 very good books on basic electronics have been kept fo...

  • NiCd Battery Charger With Reverse Polarity Protection

    2016-05-11 10:02:5971

    Small and portable unit, Can charge multiple batteries at once This NiCd battery Charger can charge up to 7 NiCd batteries connected in series. This nu...

  • LiPo battery charger circuit.

    2016-05-11 09:57:4097

    LiPo battery charger. Li-Po battery or Lithium-Polymer battery is a rechargeable battery based on the Lithium-ion technology enclosed in a flexible pou...

  • Solar panel battery charger

    2016-05-11 09:57:3471

    The solarbattery chargercircuit isnothing but adualcomparatorthat connects thesolar panelto the batterywhen thevoltage atthelatter terminalis lowand di...

  • Autonomous Fast NiMH Battery Charger Using Single Chip IC

    2016-05-11 09:53:31115

    This simple Batteries charger circuit is designed for NiMH/NiCd batteries. It need no micro-controller nor any programming. Linear Technology Corporati...

  • Industrial Battery Charger Project Kit Circuit

    2016-05-11 09:51:4969

    The assignment is intended for charging battery(s) by DC from AC supply of power. DC power supplied for a battery’s charger is a derivative from a th...

  • Li-Ion Battery Charger(LP2951)

    2016-05-11 09:50:3170

    This article describes the Li-Ion Battery Charger (LP2951). The principle is very simple, very practical. The circuit components can help you understan...

  • 12V constant voltage battery charger circuit

    2016-05-11 09:40:5672

    Figure 1 is a 12V constant voltage charger circuit. The circuit is the basically same with a constant power supply. Resistor R1 is 0.2Ω. R1 is used fo...

  • Battery_level_indicator_with_a_regulated_LED_current

    2016-05-11 09:32:1268

    This circuit also regulates current through the LED so that adequate current is available at minimum voltage, but excessive current is not drawn at max...

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