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The 1203BB DC Motor Speed Regulator controls the speed of a DC motorby adjusting Pulse-Width-Modulated (PWM). It provides a continuous current of 3A to your DC motor or other DC load. Besides, the circuit also includes a 3A fuse. With connection of power supply and control the forward direction and the stop of DC motor by .
Features
- Material: Metal.
- Size: 5 * 3.2 * 1.5cm.
- The cable length 15cm.
Operating instruction
Before you attempting to wire the controller, make sure that the power is off.
1. Connect wires refer to the wiring diagram.
2. Turn on the power, and adjust the potentiometer.
3. The LED indicates the and the speed of motor.
Warning: Do not positive and negative . This will damage the controller!
Package Including
1 * DC Motor Speed Controller (PWM) Adjustable Motor Driver
J.D. Shows
Reviewed in the United States on September 22, 2024
I bought this controller for a portable antenna rotator, placed it in a plastic project box and wired everything up, and now I can have my portable amateur radio fun on hilltops with the added benefit of a directional antenna. My little beam rotates very slowly, allowing me to dial in a received signal and reject all the stuff to the sides. Thank you KK6USY for the awesome YT video!
Lyd S.
Reviewed in the United States on August 27, 2023
Replaced pathetic ventline bathroom exhaust fan in camper. We wired in & mounted this controller to a vortex1 upgrade fan insert. The guys drilled hole & tapped threads in the plastic housing so this could be screwed in for mounting. It's very secure done that way. Had to cut out rectangle hole for the rocker switch. Looks like it came from factory that way. Very pleased with this controller. Vortex1 fan upgrade kit that was originally only 1 speed can now be run variable speeds, intake and exhaust. No problems, so far so good.
T. Smythe
Reviewed in the United States on October 31, 2022
I purchased this switch set for one of my projects, using it in conjunction with my 12v power supply unit. I use the switch constantly for various operations with my mill power feed without any variations. The rheostat function is very sensitive, with immediate reaction when rotating the switch knob. I will not hesitate to purchase or use another of these units when in need.
Sheldon
Reviewed in Canada on July 5, 2021
Installed it on my 12v RV bathroom vent fan and it works perfectly. The fan draws about 1.6 amps. The speed control is perfect, good linear range from very low to full RPM. No electrical noise or hum can be heard either.
Computer Therapist
Reviewed in the United States on July 25, 2021
This device operates exactly as advertised. I thought I had a bad board, then I replaced the 5 volt supply with a 9 volt supply and everything sprang to life. Well built, includes a Knob and Nut & Washer for the shaft. Be sure to NOT reverse polarity on the input to the board (no protection). It has a red LED next to the pot that changes brightness as you adjust the output. I'm using it to drive a small DC motor. [ Amazon.com/BNYZWOT-Shaft-Torque-Turbine-Geared/dp/B07XKW32TM ] Perfect!!
D. Patelzick
Reviewed in the United States on May 4, 2021
The switch is on-off-on (reverse polarity), sort of a pain in the ass. Not easy to set up for on/off. The switch itself is a rocker switch that is useful for ??, who knows.
Karmesh
Reviewed in Canada on March 10, 2021
Size of product is good but I expected bigger. For this small circuit, money is high.
David
Reviewed in the United States on November 29, 2021
I had an issue with my Maxx Air fan. I couldn't raise the speed in either direction without it going into a default mode beeping and stopped working. I couldn't get the part through Maxx Air so I found This tiny switch. It fit right in and makes my fan work perfectly again.
Lee
Reviewed in the United States on October 21, 2021
The proper way to provide speed control for small dc motors is via pwm. This provides speed control while maximizing torque, which is not the case if a rheostat is used instead. This one is fairly inexpensive and works well, though I haven't run it a lot yet.
Eugene Mamut
Reviewed in the United States on October 12, 2019
Great fast delivery. Reverse did not work. I called customer service. The next day I received a replacement.Works great!. Thank you very much.P.S. now I start to compare switches. I found that one wire was off.
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