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  • 8051 Microcontroller

    2015-03-03 21:21:40104

    A micro controlleris an integrated circuit or a chip with a processor and other support devices like program memory, data memory, I/O ports, serial com...

  • Freescale MC33810 Datasheet, IC for Auto Engine Control

    2015-03-03 21:21:2575

    Herein article is aMC33810 datasheetfrom Freescale Semiconductor , an eight channel output driver IC which is designed for automotive engine control ap...

  • 230VAC Temperature Fan Control

    2015-03-03 21:18:56107

    This is a 230VAC Temperature Fan Control circuit. This circuit is used for 230Vac operation. The R9 can be changed to 15K 2W, if the AC operation is 11...

  • 24VDC Motor Speed Control with 20A Shot Circuit Protection

    2015-03-03 21:17:07314

    This beMotor Speed Control Circuit 24 Voltat current 20Amp. By it usesIC SG3526Bcontrol in the character PWM that receive like very much and drive moto...

  • Telephone In-use Relay Controller electronic circuit diagram

    2015-03-03 21:12:5166

    Source: ourworld.compuserve.com Reprinted Url Of This Article: http://www.free-circuits.com/circuits/telephone-related/428/telephone-in-use-relay-contr...

  • PWM RGB Controller (LM324AN)

    2015-03-03 21:12:26123

    This article describes the PWM RGB Controller (LM324AN). The content is very simple, very helpful. Components in this article can help you understand b...

  • Adding DAC to Arduino or any other microcontroller

    2015-03-03 21:03:1584

    Most of 8-bit microcontrollers lack of integrated DAC (Digital to Analog Converter) functionality. This is handy when you need to generate analog signa...

  • GSM SMS remote control using AVR microcontroller (AT90S2313)

    2015-03-03 21:02:53100

    This article describes the GSM SMS remote control using AVR microcontroller (AT90S2313). The principle is very simple, very practical. The circuit comp...

  • Baxandall Tone Controls

    2015-03-03 20:42:27134

    This is the most common of all modern tone control circuits, and was named after PJ Baxandall who came up with the idea many years ago. The original de...

  • Liquid level control

    2015-03-03 20:22:5482

    Use this circuit to keep the fluid level of a liquid between two fixed points. Two modes, for filling or emptying are possible by simple reversing the ...

  • Remote switch for radio-control aircraft accessories (LM195)

    2015-03-03 20:15:4273

    This article describes the Remote switch for radio-control aircraft accessories (LM195). The content is very simple, very helpful. Diagram showing the ...

  • Mini Drill Control

    2015-03-03 20:07:50150

    This circuit is intended as a revolution control for small dc motors as fitted, for instance, in small electric drills (such as used for precision engi...

  • Guitar Control circuit (TL062)

    2015-03-03 20:02:53105

    Stand-alone, 9V battery powered unit Circuit diagram: Parts: P1,P2_________100K Linear PotentiometersP3____________470K Linear PotentiometerP4_________...

  • Tone Control Using TDA1524

    2015-03-03 19:53:06426

    Circuit diagram is one of the circuit diagram to set the tone. Circuit diagram This is controlled by using the tone control IC TDA 1524 the type that i...

  • Permanent Magnet Motor Control with SCR

    2015-03-03 19:52:26130

    This is a schematic diagram of Permanent Magnet Motor Control circuit. This circuit is used to control the permanent magnet control. This circuit uses ...

  • Automatic loudness control (TL072)

    2015-03-03 19:47:1099

    This article describes the Automatic loudness control (TL072). The content is very simple, very helpful. Components in this article can help you unders...

  • Light-Operated Solid State Light Switch

    2015-03-03 19:36:39178

    Here is a light-operated light switch circuit built with solid state components that is used to operate a lamp. During darkness the resistance of LDR i...

  • Walkaround Control for The Basic Throttle

    2015-03-03 19:36:1891

    In the next circuit walk around control is added to the throttle. A 4 conductor, 22 Gauge stranded cable will allow the operator to move around with th...

  • Stereo Digital Volume Control

    2015-03-03 19:33:40131

    Here is the circuit diagram of stereo digital volume control. This circuit could possibly be applied for upgrading your manual volume management within...

  • Transistors Function in the fan speed Control

    2015-03-03 19:27:37624

    Description: the circuit schematic diagram of Fan Speed Control which turns on only when needed. when your transistor getting hot, the fan will automat...

  • AC/DC Microammeter Circuit

    2015-03-03 19:26:26120

    This is a take-off on Mr. Marian’s “Simple Micro Ampere Meter Circuit” that utilizes active circuitry and an analog meter to make sensitive DC cu...

  • Low Cost Bass-Treble Controller (LM741)

    2015-03-03 19:18:18304

    This article briefly describes the Low Cost Bass-Treble Controller (LM741). Although this circuit is very easy to understand, but also very practical. ...

  • Ir Remote Control Tester electronic circuit diagram

    2015-03-03 19:04:4370

    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 pulses of curre...

  • VOLTAGE_COMPARATOR

    2015-03-03 19:04:19105

    Motorola MC1539 opamp provides excellent temperature characteristics and very high slewing rate for comparator applications. Zener connected to pin 5 L...

  • Tone Control Circuit

    2015-03-03 19:04:1586

    Description: Based on the classic Baxendall tone control circuit, this provides a maximum cut and boost of around 6dB at 10K and 50Hz. Notes The first ...

  • Controlul automat al volumului CAV

    2015-03-03 19:04:0583

    Adaugat in Audio | fara comentarii Mai multe scheme cu: control volum TL071 TL072 Montajul propus furnizeaza un semnal de intrare mai putin in armonici...

  • Infa-red Remote Control electronic circuit diagram

    2015-03-03 19:02:0071

    I have received a number of emails requesting schematics for infa-red remotes. So here is one. This remote transmits a tone using an infa-red LED. This...

  • PWM Motor Control With Forward, Reverse, and Break Operation

    2015-03-03 18:59:22136

    This PWM motor control circuit provides many controls for DC motor. You can control the DC motor to rotate forward, reverse, or break until it stops. H...

  • DC variable speed motor control

    2015-03-03 18:55:15229

    Dc power can also be controlled via fiberoptics. The circuit provides an insulated speed control path for a small dc actuator motor ( Vn hp). Control l...

  • Instrument Panel Lamp Dimmer Control electronic circuit diag

    2015-03-03 18:52:5880

    This circuit uses an MC3392 low side protected switch and an MC1455 timing circuit to form an automotive instrumentation panel lamp dimmer control. The...

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