What device would I use to generate a PWM signal to control a motor from 0-12 volts? I just want to use a potentiometer to control the voltage is there a simple
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Electronics Circuits: Pulse Width Modulation (PWM) generator circuit using 741 op amp comparator with output wave form
![operational amplifier - PWM with op-amp, but can't figure out formulas/how it works - Electrical Engineering Stack Exchange operational amplifier - PWM with op-amp, but can't figure out formulas/how it works - Electrical Engineering Stack Exchange](https://i.stack.imgur.com/WDRtt.png)
operational amplifier - PWM with op-amp, but can't figure out formulas/how it works - Electrical Engineering Stack Exchange
![operational amplifier - I need help sing a 555, op-amp integrator, and comparator to generate a voltage controlled PWM signal - Electrical Engineering Stack Exchange operational amplifier - I need help sing a 555, op-amp integrator, and comparator to generate a voltage controlled PWM signal - Electrical Engineering Stack Exchange](https://i.stack.imgur.com/3IULU.png)
operational amplifier - I need help sing a 555, op-amp integrator, and comparator to generate a voltage controlled PWM signal - Electrical Engineering Stack Exchange
![Design of Generating PWM Using OP AMP with Waveform in Animation || Changing Duty Cycle using OPAMP - YouTube Design of Generating PWM Using OP AMP with Waveform in Animation || Changing Duty Cycle using OPAMP - YouTube](https://i.ytimg.com/vi/DFCl5ZFvWNs/hqdefault.jpg)
Design of Generating PWM Using OP AMP with Waveform in Animation || Changing Duty Cycle using OPAMP - YouTube
![Signal Chain Basics #76: Design a Low-Cost PWM Circuit for Single IGBT-Drive Applications - Planet Analog Signal Chain Basics #76: Design a Low-Cost PWM Circuit for Single IGBT-Drive Applications - Planet Analog](https://www.planetanalog.com/wp-content/uploads/images-common-planetanalog-2013-04-559556-170738-677216.jpg)