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  • Battery Monitor Circuit

    2015-01-26 23:24:39142

    Here is a simpleBattery Monitor circuitfor a quick check of 12 voltLead-Acid Battery. Battery charge should be constantly monitored to increase the lif...

  • Bidirectional Battery-Current Monitor

    2015-01-26 23:16:16103

    View Full Size Image View Original Datasheet This circuit provides the capability of monitoring current in either direction through the sense resistor....

  • Injector Pulse Width Monitor with LM324 ,LM3914

    2015-01-26 22:58:11168

    The schematic for thepulse width monitor. The heart of the circuit is the transistor current source which charges cap C10 to form an integrator. The th...

  • AIR TRANSPARENCY MONITOR, XENON FLASH TRANSMITTER

    2015-01-26 22:47:2976

    This is the matching transmitter for the air transparency monitor receiver. The transmitter launches powerful 1000-watt light pulses that last about 20...

  • Turn signal indicating monitor circuit

    2015-01-26 21:29:2098

    An indicating circuit provides an indication that a turn signal in a vehicle is activated. A timer receives an activation signal representative of the ...

  • The third generation of car battery monitoring

    2015-01-26 19:59:47169

    This circuit is simple and quick installation together, and tells you when the battery voltage is lower than our data set as established by Rl (a 10,00...

  • Isolated Current and Voltage Monitor

    2015-01-26 18:49:4097

    View Full Size Image View Original Datasheet The LTC4151-1/LTC4151-2 split the SDA line into SDAI (input) and SDAO (LTC4151-1 inverted output) or SDAO ...

  • Water Level Sensor/Detector/Monitor With Alarm

    2015-01-26 17:32:24193

    This schematic diagram shows a water level sensor/detector/monitor circuit. An alarm is also featured in this circuit. Any fluid with a resistance unde...

  • Load Monitor Alarms Above 60W

    2015-01-26 17:17:3877

    View Full Size Image View Original Datasheet The LT2940 measures a high side current and a differential voltage, multiplies them and outputs a current ...

  • Duty-cycle-monitor

    2015-01-26 15:39:30113

    The circuit monitors and displays a digital signal`s duty cycle and provides accuracy as high as ?±1%. Using switch S2, you can choose a frequency ran...

  • Energy Consumption Monitor Circuit

    2015-01-26 14:58:26115

    The ECM circuit consists of four sections, as shown in the block diagram. A power converter generates a voltage that is proportional to the true of rea...

  • Voltage Monitor

    2015-01-26 11:45:23101

    Circuit diagram Parts D1 LED R1 1.2k Resistor R2 10k Var. Resistor U1 UA741 OP AMP Description When the input voltage is 0 the LED glows. The LED stops...

  • ESP SIM Sound Impairment Monitor (1N4001)

    2015-01-26 11:43:5083

    : a method of determining just how much your amplifier modifies the original signal This article describes the ESP SIM Sound Impairment Monitor (1N4001...

  • Telephone line monitor

    2015-01-26 11:01:3987

    Telephone Recorder This nifty little circuit lets you record your phone conversations automatically. The device connects to the phone line, your tape r...

  • Audio-Operated Room Monitor Circuit

    2015-01-26 10:18:2373

    Figure 1 The circuit is aimed to create a monitoring and surveillance scheme for a remote location to function as a room monitor or baby alarm with the...

  • Current-monitor-and-alarm

    2015-01-26 08:56:28106

    The circuit in Fig. 56-lla lights the signal lamp upon detecting a line current consumption of more than 5 mA, and handles currents of several amperes ...

  • Battery Equality Monitor Circuit Schematic

    2015-01-26 07:28:49116

    Almost all 24V power systems in trucks, 4WDs, RVs, boats, etc, employ two series-connected 12V lead-acid batteries. The charging system can only mainta...

  • Wideband radiation monitor

    2015-01-26 07:11:49128

    A sensitive radiation monitor may be simply constructed with a large-area photodiode and a quad operational amplifier. Replacing the glass window of th...

  • Alternator And Battery Monitoring Circuit

    2015-01-26 06:59:47203

    The monitor is a car battery as the battery-operated voltage comparator. Comparator input voltage is determined by the PI regulator potentiometer must ...

  • Motor Monitor with Circuit Breaker

    2015-01-26 06:29:3694

    View Full Size Image View Original Datasheet The LT2940 measures a high side current and a differential voltage, multiplies them and outputs a current ...

  • Plant-water monitor

    2015-01-26 06:15:06104

    When the soil is moist, the LED glows. If the moisture falls below a certain predetermined level, the LED begins to flash. If there is still less moist...

  • Car Battery Monitor 12 Volt

    2015-01-26 06:11:12114

    Here is an interesting Car Battery Monitor circuit of a low power electronic dc voltmeter circuit that can be used with car electric systems that run o...

  • AC Current Monitor circuit (LM358)

    2015-01-26 05:53:26194

    Senses high current-flow into power cables Circuit diagram: Parts: R1,R2,R8____________1K 1/4W ResistorsR3,R4_____________220K 1/4W ResistorsR5________...

  • Receiver monitor

    2015-01-26 05:14:5471

    The alarm plugs into the earphone jack on a receiver. Then when a signal (normally fed to the headphones) is detected and applied to the gate of SCR1, ...

  • Monitoring and Detection of Temperature

    2015-01-26 02:59:0883

    Figure 1 The circuit is designed to produce a temperature monitoring scheme using an operational amplifier and a relay with triggering procedures. In e...

  • Monitoring Off-Air Condition

    2015-01-26 01:54:4698

    The circuit of off-air monitor for SSB transmitter can be built by using combination of detector product with the crystal oscillator. This circuit is u...

  • Armature Current Monitor for DC Motor Applications

    2015-01-26 00:40:38156

    View Full Size Image View Original Datasheet The LT1999 is a high speed precision current sense amplifier, designed to monitor bidirectional currents o...

  • The LT6105 Can Monitor the Current of Either positive or ne

    2015-01-26 00:00:2378

    View Full Size Image View Original Design Note Positive or negative current flow is measured by just swapping inputs, -IN connected to most negative si...

  • Flame Failure Monitor

    2015-01-25 23:50:0795

    A minimum amount of hardware is needed to build a simple flame or fire failure monitor that enables you to monitor the status of the flame in a chamber...

  • 555 timer circuit temperature monitoring system

    2015-01-25 23:01:24100

    555 timer circuits This 555 timer circuit temperature monitoring system electronic project can be monitor temperature in up to four points. Using this ...

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