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netduino Motor not working via transistor – Circuit Schematic
netduino Motor not working via transistor
When the motor is connected in this fashion, the netduino activates the transistor, but nothing happens. If i swap the motor with an LED, the LED does light up,...
motor Matching mosfets linear servo amplifier (AB) – Circuit Schematic
motor Matching mosfets linear servo amplifier (AB)
Unit is driving 80V/10A motor. I currently use the following matching rigg, but since MOSFETs isn`t my domain I`m abit uncertain of the validity of the matching...
speedcontroller Dead time effects Of IGBTs – Circuit Schematic
speedcontroller Dead time effects Of IGBTs
Project to control single phase ac induction motor in which I planned to use two IGBTs, one for switching the PWM to the motor (for AC chopping, PWM frequency i...
integrated circuit How do I control a two 12VDC 10A motors using an Arduino – Circuit Schematic
integrated circuit How do I control a two 12VDC 10A motors using an Arduino
Control the state (on/off) and direction of two linear actuators that are really just DC motors. It seems easy but the problem is that the linear actuators are ...
h bridge How can I implement regenerative braking of a DC motor – Circuit Schematic
h bridge How can I implement regenerative braking of a DC motor
Many electric cars are able to convert the momentum of the car into stored energy in batteries, rather than convert it to useless heat at the brake pads. How do...
boost Why should I worry about a motor causing my supply voltage to shoot up when the back-EMF cant exceed the supply voltage – Circuit Schematic
boost Why should I worry about a motor causing my supply voltage to shoot up when the back-EMF cant exceed the supply voltage
In motor control circuits, one must take precautions to keep the motor from feeding back into the power supply, causing the supply voltage to rise, consequently...
transistors Can someone help me understand this H-Bridge – Circuit Schematic
transistors Can someone help me understand this H-Bridge
An old RC car but without the transmitter so I built my own Rx/Tx using MCU and 2. 4Ghz transceiver, however, I want to use the car`s original H-Bridge but not ...
schematics Control speed of Nidec fan – Circuit Schematic
schematics Control speed of Nidec fan
I have a Nidec TA450DC B35502-35 fan which I`ve installed in a large wooden cabinet where my computer and other electronics sit. This cabinet of course gets hot...
H-Bridge Transistor Smoking (Bipolar BJT Transistor) – Circuit Schematic
H-Bridge Transistor Smoking (Bipolar BJT Transistor)
Using the following circuit, with 12V appplied to the motor, and either high (5V) or low (0V) to each transistor through a 1k resistor. The transistors used are...
Troubleshooting a Triac Motor Control Circuit – Circuit Schematic
Troubleshooting a Triac Motor Control Circuit
Even thought the power was off there was AC at the handle plug and I shorted something. I pulled it apart and found a transistor blown apart. I figured it would...
Driving a servo with MOSFET – Circuit Schematic
Driving a servo with MOSFET
Build a small battery powered device containing a servo. I would like to be able to turn off the servo to save battery life. I have read previously that MOSFETs...
Stepper motor getting very hot wrong driver or power supply – Circuit Schematic
Stepper motor getting very hot wrong driver or power supply
The ULN2003A and Zener from the driver board inside the same device. It`s a 5 wires motor, but the one in the schematic is 6 wires. I suppose the only differenc...
Why connect capacitors to motor body – Circuit Schematic
Why connect capacitors to motor body
...
capacitor Choosing components for a triacs snubber – Circuit Schematic
capacitor Choosing components for a triacs snubber
Interfacing the BT139-600 TRIAC with this MOC3051-M Opto-triac. Build a snubber circuit for the TRIAC as shown in the MOC3051M opto-triac`s datasheet @ page 8, ...
h bridge Where to place decoupling capacitor – Circuit Schematic
h bridge Where to place decoupling capacitor
Using this(also below in question) circuit to drive a motor, and I heard I should put a decoupling cap in there to smooth out voltage spikes. I have been told t...
Stepper Motor Driver – Circuit Schematic
Stepper Motor Driver
These have two coils and are controlled by changing the direction of the current flow through the coils in the proper sequence. These motors have only four wire...
PWM Motor Driver with MOSFET H-Bridge and AVR ATmega8 – Circuit Schematic
PWM Motor Driver with MOSFET H-Bridge and AVR ATmega8
Here is a very simple project of controlling a small DC-motor (taken from an old personal cassette player) with ATmega8. The ATmega8 is having three PWM channel...
Control circuit keeps dc motor running at constant speed – Circuit Schematic
Control circuit keeps dc motor running at constant speed
The aim of this circuit is to keep the permanent magnet dc motor running at a constant speed, set externally. To do this, the current through, and the voltage a...
Bidirectional H-Bridge DC-Motor Motion Controller – Circuit Schematic
Bidirectional H-Bridge DC-Motor Motion Controller
Combining armature resistance cancellation (via positive current feedback) with a motion-reversing H-bridge circuit topology offers a new twist in dc servo moto...
Add Ramp To Stepping Motor – Circuit Schematic
Add Ramp To Stepping Motor
Due to their low cost, stepping-motor controllers are often chosen over full-blown, software-driven controllers for a number of applications. However, stepping ...