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H-Bridge on a Breadboard – Circuit Schematic
H-Bridge on a Breadboard
The H-Bridge is a circuit which can drive a motor in forward and reverse. It can be a very simple circuit that requires only a handful of components.....
Dual-Motor SIP&PUFF Controlled Kayak System – Circuit Schematic
Dual-Motor SIP&PUFF Controlled Kayak System
Jumping ahead just a little The YouTube video below illustrates how quickly and easily the system is set up at the launch site My to.....
Bipolar Stepper Motor – Circuit Schematic
Bipolar Stepper Motor
For the Circuit diagram M1 connected to Coil A for stepper motor. M2 connected to Coil B for stepper motor. R1 & R2 1 Ohm resistors for current limiti.....
Motor controller H-bridge using relays – Circuit Schematic
Motor controller H-bridge using relays
To control the motor, i will be using an H-bridge with a DPDT relay like you can see on this schematic below. If you want more details, look on this.....
control the speed of an AC BRUSHLESS motor – Circuit Schematic
control the speed of an AC BRUSHLESS motor
I have a small scroll saw i would like to build a cheap speed controler for It uses an AC motor which appears to be brushless when i dismantled it C.....
SERVO CONTROLLER DIGITAL – Circuit Schematic
SERVO CONTROLLER DIGITAL
BPS Servo Controller -Digital is total metering and control solution for servo stabilizers for wide range of input voltage and wide range of load requirement. T...
Multiple Servomotors – Circuit Schematic
Multiple Servomotors
Using a modified version of the last program, we can control as many servomotors as we have I/O lines on port B. In the next listing, we will control two servos...
Servomotor Control Program – Circuit Schematic
Servomotor Control Program
In our first program, we will simply sweep the servomotor from CCW to CW and then sweep back. The program will be kept simple as to demonstrate the priniciples ...
Controlling the Air Muscle actuators – Circuit Schematic
Controlling the Air Muscle actuators
To activate the air muscle, valve labeled #2 is opened. This causes the air muscle to contract. Once activated the #2 valve may be closed without impacting on t...
Build a 5A H-bridge Motor driver! Old version – Circuit Schematic
Build a 5A H-bridge Motor driver! Old version
A relatively High power H-bridge motor controller (which is the most common way to control DC motors) With cheap TIP transistors. 5 Amperes of continuous curren...
4A H-bridge motor driver using the L298 IC Schematic – Circuit Schematic
4A H-bridge motor driver using the L298 IC Schematic
This is an implementation of the L298 to drive motors and inductive loads up to 4A continuously. Initially the L298 contains two separate channels, each one cap...
stepper motor tester – Circuit Schematic
stepper motor tester
To build astepper motor tester, the circuit contains two sets of drivers that can support both unipolar and bipolar stepper motors. The control circuit and driv...
RC Servos – Circuit Schematic
RC Servos
A "servo" is a generic term used for an automatic control system. It comes from the Latin word "servus" - slave. In practical terms, that means a mechanism that...
AT89C2051/4051 Stepper Motor Interface – Circuit Schematic
AT89C2051/4051 Stepper Motor Interface
M1 is a stepper taken from an old disk drive. There are five pins, i. e. , common, coil 1, 2, 3 and 4. Resistance measured between common pin and each coil is a...
Universal AC Motor Speed Controller Kit – Circuit Schematic
Universal AC Motor Speed Controller Kit
This kit was designed to control the speed of AC motors with carbon brushes, anything from drills to saws to vacuum cleaners. Unlike other circuits such as norm...
Discrete PWM Generator Circuit – Circuit Schematic
Discrete PWM Generator Circuit
PWM waveforms are commonly used to control the speed of DC motors. The mark/space ratio of the digital wave-form can be defined either by using an adjustable an...
DC Motor Reversing Circuit – Circuit Schematic
DC Motor Reversing Circuit
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DC Motor Control Circuit – Circuit Schematic
DC Motor Control Circuit
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PWM Motor/Light Controller – Circuit Schematic
PWM Motor/Light Controller
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TRANSISTOR MOTOR CONTROLLER – Circuit Schematic
TRANSISTOR MOTOR CONTROLLER
Despite the high impedance of its inputs, Darlington Q10 develops enough current to drive an LED. The inverted output of Q10 drives opto U5`s internal LED. Opto...