Questions tagged [pwm]
The pwm tag has no usage guidance.
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How to use a high current 2 Second current pulse to actuate a servo - First year Electrical Engineer
I am using a dual deployment system controller, an Eggtimer Quark REVC2 which at apogee outputs a high current 2 second pulse. I don't have time to buy a more advanced Eggtimer which outputs proper ...
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pca9685 alternative [closed]
As chip shortage continues, it is harder to get the above mentioned IC.(used to drive various LEDs )
I struggle to find an alternative based on the points mentioned below, maybe someone encountered ...
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High Fan Speed Not Cooling As Expected (PWM, Arduino)
We have a system involving a fan blowing air through a box which contains a small (but constant) heat source and a temperature sensor. The fan speed is controlled with PWM.
As PWM (and hence fan speed)...
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How to drive 12V servo motors using 5V PWM or 3.3V PWM using ARM MCU?
I have to drive several 12V servo motors. So I wanna to get 12V PWM Controller (12V Logic Controller). I have MCU as Atmel SAM3X8E arduino due board. It has 5V PWM outs. Is there any Controller IC ...
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PID control of a DC motor with PWM from Raspberry Pi - how to cross dead area?
I'm driving a DC motor (actually a linear actuator) with a Polulu motor controller from a Raspberry Pi. The motor drives if you ask for anything between 20 and 100% duty cycle, so there is a dead zone ...
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PWM to analog RC based filter with minimum analog voltage level
Trying to design a circuit to accomplish the following:
5V PWM signal is converted to 0-2.5V analog voltage
The analog voltage should never drop below a certain minimum voltage level, when PWM is 0 ...
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How can I use a 5V pwm with a 12V pwm
I'm trying to control my 12V fan with a 5V fan controller.
With this circuit the fan run at full speed.
When I measure the voltage on PWM and ground I obtain 5V.
Which circuit can I use to adapt the ...
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Applying PWM to get analog button
I am trying to understand how to turn a basic click button into something that behaves like a pressure sensitive button, meaning the harder you press it the greater the value.
There are PWM modules ...
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Dc motors: relationship between PWM frequency and Torque
I am experiencing serious reduction in torque when using PWM to reduce speed - I'm temporarily resorting to 10Hz, and even then, 50% mark-space gives me (at most) half the torque of fully on. I'm ...
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