Explore Circuits - Controller and Control system circuit diagram




Circuit / Schematic diagram of	Description

Touch Switch new	Based on SCR for driving relay, can be used for driving high power loads.
Light Seeking Robot new	Detects and follows light source. Suitable for small robotics projects.
Electronic Combination Lock (circuit on demand)	Programmable combination lock, can be used for security door lock system.
Water Level Controller (circuit on demand)	Probably the simplest water level controller (uses only two NPN transistor).
Close loop controlled Laser Projector	Home made laser projector, capable of showing graphical display.
AC motor speed control	Controls speed of AC motors like that of drill machine
DC Motor Control Circuit	Can control the direction and stop the motor with one switch.
DC Motor Speed Regulator	Keeps motor speed constant regardless of shaft load and supply voltage.
Washing Machine Motor Controller	Controls single phase motor of washing machine
PWM DC motor speed control	Uses NAND gate Schmitt trigger IC for generating PWM
PWM motor/light control	OpAmp based PWM generator
PC Based DC Motor speed control	Source code included.
Closed loop motor speed control
Opto- Isolated Stepper motor control
Computer based servo motor controller	The circuit is capable of controlling 8 servos.
H-Bridge for DC motor	Controls the direction of motor with two switches.
Control system for modern Toys.	Controls the motion and direction of a toy using a joystick.
H Bridge motor control circuit	Transistor based h bridge, suitable for low current application.
H Bridge switch for small motors
H Bridge	Circuit drives small motor up to 100watt, 5 A or 40 Volt.
H Bridge 2
Simple Light Dimmer	Triac based light dimmer.
Discrete component motor direction controller	Controller for small DC motors like that of a tape recorder.
Curtain open/close Controller	Circuit based on 555 and few other components can automatically close or open a pair of curtains.
Closed loop temperature controller
SMS remote control	Controller based on data received on SMS
Infra/radio Remote Control	Based on PIC microcontroller
Infrared Gate
CD ROM drive controller	Controls a CD ROM drive using an audio cd
IR Remote Control	Circuit turns on/off devices that operates on 115V AC
IR Remote control extender	Can control devices from one room to other.
Universal IR Switch	IS switch that can be operated by any IR Remote control.
PC Based IR Remote control	Controller connected to parallel port.
Serial infrared remote controller	Serial port based controller capable of controlling and device that support IR

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