Cycle Delay Drive Module, PEMENOL 3.3-30V 8A Dual Mode High Power PWM Dimming Motor Speed Controller, LCD Pulse Frequency Duty Cycle Adjustable Signal Generator

I've since purchased a second one to use in the construction of a more powerful unit. With this price, you really can't go wrong.

Declan Graves

| May 10, 2021

This item has a great appearance and is simple to install. br> By simply photographing it, I was able to capture the QR code and send it to a web page, which then downloaded the instructions as a PDF file. Unfortunately, the instructions are not in English, but the buttons are simple to understand. br> It is very precise due to the small step adjustments, but adjustments are quick if you hold the buttons down for a long time. br>I had a lot of fun using a simple light bulb to demonstrate the importance of a pulse width modulator (PWM) by increasing the frequency until no "flicker" was visible, then increasing the pulse width to demonstrate the energy density as the brightness increased. Putting aside the fun and games, this unit is better suited for a professional install as a motor speed control or in its timer mode as a one-time operation or reoccurring timed pulse used as an indicator or control signal to initiate the next action (like the opening of a water valve to spray vegetables out for display in a market, or even the timely release of product on a conveyor belt used in manufacturing)br> Regardless of what state it was in when power was removed, it starts as "ON" when power is applied. br>When tested for frequency accuracy, it is stable but a few hertz low, which is well within acceptable limits for a non-electronic device. PLL device. br> Because PWM is widely used in today's modern power supplies, understanding the fundamentals of PWM will help you advance further in this exciting field of electronics.

Lily Ballard

| Nov 04, 2021

This is what I bought to power a 15W diode laser. When connected to the battery, the device starts in a closed circuit (Power On) mode, which is one of my concerns. As a result, you must ensure that it is not connected to your circuit until the ON button has been pressed to turn off the output power. But, as I was operating at the required 20 KHz at 10% duty cycle, the device suddenly failed in a closed circuit configuration, the device suddenly failed in a closed circuit% To turn off the laser, I had to physically disrupt the circuit. Fortunately, I was using it for a research project, so the damage was minor. br>br>I was well within the device's voltage/amperage limits when it failed in an on state. The device now behaves like a direct short, so I'm guessing the MOSFET it's using has failed. It's probably a good idea to include a kill switch in your circuit if you use this device. br>br>As the uploaded images demonstrate. I wasn't trying to push the device beyond its limits.

Celine Farley

| Jul 04, 2021

In general, a fantastic product!.

Thatcher Mullins

| Sep 17, 2021

OUT- A drain pin of the N-type appears to be connected to the terminal. MOSFET with CH that switches OUT- V- to the terminal terminal.

Colter Taylor

| Jan 11, 2021

My car's headlights were far too bright after I replaced them with LEDs. People have complained to me about how difficult it is to drive in front of me, so I felt compelled to take action. I was able to connect my headlights to a switch and control their brightness with the adjustable high and low time, which was easier and less expensive than purchasing a new set of headlights, and I can turn them back on with a switch flick. It fits perfectly in a hole I made in my car, and the side wings keep it firmly in place with no room to move.

Emma Ramirez

| Jul 31, 2021

This high-power PWM driver is a fantastic addition to the workbench of any electronic enthusiast. It can generate electrical signals at a variety of frequencies, as well as square waves and pulses. With a 3-voltage input range, this device is suitable for a wide variety of applications. The possibilities for what someone can do with 30V are virtually limitless. A QR code is included in the package, which can be scanned to access a well-written instruction manual.

Joshua Palmer

| Jul 27, 2021

I had a project where I rotated a display with a couple of 24v motors. This was an excellent solution for changing their speed. br>br>In terms of how to operate this controller, the directions were spot on. I was expecting it to be difficult to operate because it was backwards or otherwise unusual, but I was pleasantly surprised to learn that it was actually quite simple.

Kenzo Blankenship

| Jan 18, 2021