Schematics

Power Amplifier

Preamplifier

Audio mixer

Audio Equalizer

DC Protection

Headphone Amplifier

Vu Meter

Tube amplifier

Loudspeakers Active crossover

Audio Filter

Audio misc

Auto - car

FM transmitter

LED

Alarm

Power Supply

Motor control

Robot

Timer generator oscilator

Computer

Microcontroller programmer PIC AT

Digital

Light controller

Laser

RF transmitter receiver

IR infrared

Medicine

Meter  Tester

Video

Switch control

Solar

RC modeling

Musical instruments

Miscellaneous

Game

Data acquisition

Telephone

     Controller schematic

• U206 motor control

• Universal motor control TDA1085C

• Universal motor control TRIAC

• Three phase power regulator

• Temperature Controlled Ovens

• 230V AC motor circuit controller U208,TIC 236M

• 4 to 20 mA current-loop signals to control a PWM signal

• AUTOMATIC LINE VOLTAGE SWITCHING CIRCUIT

• Beam robotics

• Bidirectional DC motor speed controller schematic

• Bidirectional DC motor speed controller

• Bidirectional DC motor speed controller

• Brushless DC motor controller LS7362

• Build your own 12 VDC engine/generator

• Cadmium sulfide solar tracker

• Capacitance multiplier supply

• Circuits for robots

• Class-D motor-speed control MAX 4295

• Computer controller for DC motors

• CONTROL BY A TRIAC FOR AN INDUCTIVE LOAD

• Current sense auto power switch

• DC Motor Control Using A Single Switch

• DC motor PWM controller schematic

• DC motor reversing circuit

• DC motor speed control

• DC motor speed control using Pulse Width Modulation

• DC Motor Speed Control with CMOS ICs

• DC motor speed circuit controller

• DC motor-driver H-bridge circuit  forward or backward at any speed, TC4424

• DC motors control circuit H-bridge circuit

• DC motors control circuit H-bridge circuit

• DC motors control circuit H-bridge, PWM circuit

• DC motors forward and backward 100 watts or 5 amps or 40 volts, H-bridge

• DC-AC converter DC-AC converter

• DC-AC inverter DC-AC inverter

• Determining MOSFET driver needs for motor drive applications

• Digital speed control PWM

• Dimmer/Motor Speed Control

• DOT MATRIX PRINTER MECHANISM

• Dual 2 H-bridge circuit DC motors: 10 to 40 volts, up to 10 Amps,

• Dual channel servo pulse to H-Bridge interface PIC 16F876

• Dual DC motor control LMD18200 IC

• Dual Motor Bidirectional Electronic Speed Control

• Electric power circcuit controller schematic with TRIAC circuit

• Enhanced temperature controller is both fast and precise

• Fan controller schematic adapts to system temperature

• Fan speed control

• H Bridge Motor Control Circuits

• H Bridge Schematic TC4424

• H-Bridge control

• H-Bridge control HIP4081 circuit

• H-Bridge motor controller 100 watts or 5 amps or 40 volts

• H-Bridge motor drive

• H-bridge using P and N channel FETs

• High resolution digital powercontrol triac, 555 circuit

• High voltage page

• High voltage page

• HV generator using a TV-flyback transformer

• LED dimmer (can be used for DC motor control)

• Line-following car

• Low Voltage DC Supply Dimmable Ballast for 1 x 36W T8 Lamp

• LS7213-motor control

• LX-800 power control MOC 3020, BT139 circuit

• Microchip automotive design center

• Microcontroller based motor speed control

• MOC 3011 MOC 3011

• MOC 3011 MOC 3011, applications of non zero crossing triac driver

• Mosfets in DC motor control start and stop reverse direction,

• Motor controller project with MOSFET bridge

• Motor controlling application notes

• Motor speed control 3 phase induction motors.

• Motor speed control AC motor

• Motor speed control TRIAC

• Motor speed controllers

• Optically isolated phase controlling circuit solution MOC3023, MOC3162, triac, Phase Controlling a Power Triac Using MOC3023

• PCB drill controller

• Phase Control Using Thyristors, triacs

• Phase Control Using Thyristors, triacs

• PIC based speed controller PWM, transistors, With Fet's

• Power controlling application notes from LSI computer systems neon desklamp, LS7535, LS7260

• Power.national.com battery charging and power conversion, LM2651, LM2661, motion control power conversion LM628, LMD18200, Power supply design, switching regulator design and application, LM267x, LM2675, LM2577

• Pulse width modulation circuits

• Pulse Width Modulator for 12 and 24 Volt Applications pdf file

• Pulse Width Modulator pdf file

• PWM Circuit Based on the 555 Timer 555, MOSFET

• PWM circuit for 0% to 100% speed control or light dimming

• PWM control

• PWM DC motor drive

• PWM drivers for electric DC motors

• PWM fan controller

• PWM fan controller

• PWM fan controller 555,

• PWM fan controller 555,

• PWM fan controller 555, puls width modulation circuit, Simple PWM controller

• PWM generators

• PWM motor and light controller 12 and 24 volt

• PWM motor speed control uses AC tachometer feedback power transistor circuit

• PWM speed control DC motor

• PWM Speed Controller

• Reed switch motor

• RF wireless PWM DC motor speed control

• Robot links

• Robotics projects

• Servo pulse to PWM for radio-controlled cars, boats, airplanes

• Signal detecting auto power on unit

• Simple electric motors Reed Switch Motor, Transistor Based Motor, Hall Effect Motor, Optointerrupter Motor

• Single transistor flyback driver

• Single-Phase Brushless DC Motor Controller Using LS7262

• Soft start circuit for power amps - toroidal transformers

• Soft-start controller of TRIAC pdf file

• Software for stepper motor control turbo pascal

• Solar charger  12v battery,

• Speed control of 3-phase induction motor

• Speed controllers (DC motor)

• Temperature Controlled Ovens

• Temperature-controlled fan

• Thermal control DC power fan control circuit

• Thermal Fan Controller 741, transistor, thermistor

• Thermostat temperature regulator

• Three and Four Phase Brushless DC Motor Controllers Using Pulse-Width Modulation LS7260, LS7262, LS7362

• Three phase power regulator

• Three-phase power control

• Thyristors used as AC static switches and relays

• Triac controller for an inductive load, transformers

• Two-quadrant DC motor drive circuit with current limit

• U206 motor control

• Universal motor control TDA1085C

• Universal motor control TRIAC

• Universal Motor with Chopper Control

• Using a light dimmer IC for AC motor speed control LS7231

• Variable regulated current (~25-400mA) from a 4-6 Volt source

• Velleman K8003 DC controlled dimmer TEA 1007 circuit

• Voltage to pulse width circuit

• Washing machine motor controller single phase AC motor circuit

• Wiper circuit

• Wiper circuit IC U642B,

• Wiper Speed Controller 555, 4017,

• Wireless RF PWM dual motor controller

• Zero voltage switching temperature controller schematic