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  • L6203 DC motor controller circuit

    2015-03-03 03:12:40207

    Motor drivers This DC motor controller circuit shown in this schematic use the L620x motor driver . The L620x is a monolithic full bridge switching mot...

  • Fingerprint Control Device Circuit using AT89S52

    2015-03-03 03:07:39203

    Here is fingerprint control device. This circuit are designed as secure storage for medications, jewelry, weapons, documents, and other valuable or pot...

  • Pump Controller For Solar Hot Water System

    2015-03-03 03:04:1574

    Pump Controller For Solar Hot Water System This circuit optimises the operation of a solar hot water system. When the water in the solar collector is h...

  • IR Remote Control Tester(TSOP1738)

    2015-03-03 02:51:41121

    This article describes the IR Remote Control Tester (TSOP1738). The principle is very simple, very practical. The circuit components can help you under...

  • Solar Charged Remote Control Electric Lawn Mower

    2015-03-03 02:37:2171

    I, Robert Steve Smith, have put together a series of videos below that will show you how to create a Solar Charged Remote Control Electric Lawn Mower (...

  • AD596/597 Setpoint Control for Temperature Controller

    2015-03-03 02:34:1874

    This is a setpoint controller circuit using The AD596/AD597. The thermocouple voltage is amplified, compared to an external setpoint voltage, and cold ...

  • Proportional FLow Rate Controller

    2015-03-03 02:31:0165

    Process industries deal with various control systems, and fluid mass transfer control is one of them. We can use a TC9400 F/V converter to regulate the...

  • 24V 5A Synchronous boost converter controller using LTC3786

    2015-03-03 02:30:3797

    Power Supplies Circuits Using the LTC3786 high performance synchronous boost converter controller that drives all N-channel power MOSFETs can be design...

  • SCC3 - 12 Volt 20 Amp Solar Charge Controller

    2015-03-03 02:22:55167

    The SCC3 is a solar charge controller, its function is to regulate the power flowing from a photovoltaic panel into a rechargeable battery. It features...

  • Common transistor electronic relay for controlling base

    2015-03-03 02:16:5270

    Figure A is the NPN transistor using Ec electronic power control relay. Figure b is grounded NPN transistor control circuit. Figure c is the PNP transi...

  • Electronic Gain Control in Quartz-Stabilized Oscillator

    2015-03-03 02:16:1174

    This is a quartz-stabilized oscillator circuit with electronic gain control. Replacing the common filament lamp? for amplitude stabilization, this circ...

  • Periodic Timers

    2015-03-03 02:15:12117

    A switched timer with equal make and equal space periods timing adjustable from over 6 minutes to 38 minutes.Notes:This timer circuit is similar to the...

  • Digital circuit sound and light control stairs delay switch

    2015-03-03 02:13:1788

    It has all the characteristics of the discrete components circuit, it also has high delay accuracy, high operational reliability and low the discrete n...

  • Home Appliance Control (TSOP1738)

    2015-03-03 02:00:44218

    This article briefly describes the Home Appliance Control (TSOP1738). This principle is easy to understand, but also very practical. Depth understandin...

  • L200 DC Motor Speed Control

    2015-03-03 01:49:53266

    This diagram tells us about how to use L200 device for the speed control of permanent magnet motors. By means of R1 and R2, we can obtain the desired s...

  • 32 Channel IR Remote Controller by SL490

    2015-03-03 01:49:0684

    Figure 1 This is a 32 channel infrared remote controller circuit fundamentally includes key pad, decoder, transducer stage, an output and a battery. Ci...

  • IR Remote Control Tester

    2015-03-03 01:46:5974

    Circuit diagram Notes: I have used a photodiode, SFH2030 as an infra red sensor. A MOSFET opamp, CA3140 is used in the differential mode to amplify the...

  • Stepper Motor Controller

    2015-03-03 01:39:20185

    Stepper motor gives a simple, low cost, and accurate position control. Stepper motor can be driven by circuit mounted close to the motor, and controlle...

  • Temperature Controller for Crystal Oven

    2015-03-03 01:27:44410

    The temperature of a quartz crystal for oscillator should to be kept constant to operate at very stable frequency. This oven temperature controller is ...

  • Major programmer types for 8 bit AVR microcontrollers

    2015-03-03 01:24:2663

    AVR microcontrollers have many ways to be programmed. One type adapters are used only to program AVR memory other are used to program and debug. AVRISP...

  • General purpose infrared remote control receiver with RS232

    2015-03-03 01:17:2373

    I have done a simple infrared remote control receiver with RS232 ascii output. It can be used for developing remote controls on a PC using the serial p...

  • The 4Q2 DC Motor Speed Controller Circuit and Datasheet

    2015-03-03 00:54:20303

    This is the figure of4Q2 DC Motor Speed Controller Circuit Block Diagramwhich is designed for full control of conventional shunt wound and permanent ma...

  • Motor Speed Control with MAX4295 circuit diagram

    2015-03-03 00:52:48137

    This is a motor speed controller circuit diagram built based Maxim MAX4295. This with this circuit you will be able to control the speed of motor rotat...

  • ATMEL 89 Series Flash Microcontroller

    2015-03-03 00:48:1078

    With an optional adapter at J1 and a different software it is possible to program some parallel EPROMs like the 28C16, 28C17, 28C64, 28C256, 29C256. Th...

  • Using telephone remote control principle explanation

    2015-03-03 00:46:26104

    This article is to use the telephone remote control principle explanation. By convention, in order to better grasp the principles you are, we recommend...

  • Microcontroller Simulators and emulators

    2015-03-03 00:41:0665

    Sometimes you just havent ability to flash microcontroller in order to test program functionality in development phase. For this there may be many reas...

  • BC337 Transistor For Control Box With Thumbwheel Switches Ci

    2015-03-03 00:38:4386

    Description: The following circuit shows about Control Box With Thumbwheel Switches Circuit Diagram. This circuit using the BC337 Transistor. Features:...

  • Remote Control Transmitter Circuit

    2015-03-03 00:30:0573

    This transmitter can be used for a variety of purposes. An INS8048Lmicroprocessor generates various codes depending on keypad presses. The codes are mo...

  • Stepper Motor Controller Circuit Diagram Based On The 7404 I

    2015-03-03 00:24:2499

    Description: The following circuit shows about Stepper Motor Controller Circuit Diagram. This circuit based on the 7404 IC. Features: simple stepper mo...

  • Battery Backup for SRAM or Microcontroller

    2015-03-03 00:22:0474

    This circuit can be used as a low cost SRAM and Microcontroller-Microprocessor Battery Backup. All the diodes are 1N4148, The diodes prevent battery di...

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