Excellent and informative video, thanks! Not sure if you have seen it, but Martyn Davies has also done a great video showing how to control it through software on an Arduino, too....so this can be a very useful module.
I just got some of these modules with the same model number on the back, and they're junk because the LCD is basically illegible. They're essentially blank from straight on, and only at extreme angles do you get any usable contrast at all. I have a previous batch that also sucks from straight on, but if you look up at it from about 45 degrees below, the digits are clear. Obviously that's still useless if the display is mounted in something. Generally these seem to suck. There are LED ones, but they have only one display for all functions and it's not clear how they indicate what you're adjusting or what the default display is.
I was curious if these 2 pwm signals are in the same phase or they are 180 opposite? I mean one signal is showing 5v the other signal showing 0, than it reverses?
Hi! Great explanation. I have a 5-55V PWM speed controller that is used for controlling a DC motor 12VDC, and I want to use a e-bike throttle with it. From the PWM controller, there is a control input for 5V, Ground, and Signal (Red, Black, & Yellow) and on the e-bike throttle there is the same 3 wires for throttle control. When hooked to the PWM Controller with the e-bike throttle currently, the motors turn slightly and there is .9VDC measured between the signal wire and the ground wire of the control wiring. I think this is because the e-bike throttle uses a hall sensor and operates on 1-4V control signal while the PWM was originally using a 100K ohm potentiometer that is looking for 0-5V. I am not worried about the top end of the voltage, just want to stop the motors from turning automatically and need to use the e-bike throttle. Can you help with this?
Will the set frequency and duty cycle for both channels individually remain the same even after the power supply is removed? or it gets reset once the power supply is removed.
Thanks for the video. I have a question about the unit. I can not seem to get the output the same voltage as the input. I can only get a oscillation of around 1.5V irrespective of the input voltage. Is my unit faulty or am I doing something wrong. Thanks Joe
I am sorry for late reply. I was on vacation. I have not tested it but it should keep the settings. the est way to know is to just try it if you have it in hand.
hi; I want to mimic the channel A and Channel B on a CNC MPG , these MPG output a square wave on each click on the wheel , as this device that you are showing has 2 independent channels I wonder if I can use it for my purpose , and if so can you please tell me how I can select the output 2 so I can set it up? thank you Mariano
Hi, this does not have two channel. I have explained. they just put extra pins for PWM and for GND. if it had two channels they should have been labeled as PWM1, PWM2 etc.
@@robojax thank you, but as it’s usual with products coming from that part of the World , the specifications are not very clear , and if you look at the pictures, like I did , you can order a item that is not fitting to your purpose..
How could I vary the duty cycle based off a automotive style temp sensor/switch BMW etc? So I could send the preset pwm signal to a fan motor controller.. 128hz or around there is what the controller is set for from factory.
I watch the video making sure I did not miss the wiring. The wiring has been explained and shown in the video. Please watch it and you can draw it if you need it. You can feed in (connect) the PWM of this to anything you want. Here is an example where PWM module is driving a motor. You can use this module instead ru-vid.com/video/%D0%B2%D0%B8%D0%B4%D0%B5%D0%BE-3kGXujM3TIw.html
My dear brother, I need a pwm circuit with a variable frequency from 1Mhz to 5Mhz. I hope you will help me to draw a circuit diagram. Or I want to buy it, but I do not know from any store, please help me for the importance and you my sincere greetings
