What is the best way to level shift 50kHz 3.3V PWM signal to 5V PWM ...
Sep 21, 2024 · I’m working on an STM32F103 microcontroller (3.3V logic) and need to drive 5V PWM signals for BLDC fans at 50kHz. I’m looking for a reliable and cost-effective solution to level shift the …
PWM output vs Digital output - Electrical Engineering Stack Exchange
Oct 1, 2020 · Could I use a PWM output as a digital output? For example to act like an on-off signal by varying the duty cycle between 0 and 100%. Does it involve any difference in power consumption?
Measure a PWM signal with an oscilloscope
Mar 15, 2023 · I am new to electronics and now I wanted to try to use an oscilloscope to measure a PWM output signal. I made a simple circuit with a Raspberry Pi Pico microcontroller and connected …
Easiest way to go from analog input to PWM output?
Operating frequency is 120-150khz. To summarize my question: Are there more straightforward ways to go from a high-impedance 1V P-P input signal to a 150khz output signal with proportional PWM, …
STM32 PWM and Output Compare - Electrical Engineering Stack …
Feb 4, 2023 · The master generates the PWM (channel 1) TRGO update event, and the slave is configured as external clock 1, trigger timer master, output compare no output channel 1. I tested …
microprocessor - When using PWM, what is the purpose of having two ...
Sep 28, 2019 · The datasheet specifies Each channel controls two complementary square output waveforms. My understanding is that you only need one of these outputs to drive an external …
Adjusting Output Voltage of a DC-DC Boost Converter controlled by …
Mar 15, 2024 · I'm building a boost converter from scratch and am planning to use an STM32 microcontroller to generate a PWM signal to regulate the output voltage. The power supply voltage of …
PWM output power - Electrical Engineering Stack Exchange
Jul 19, 2021 · The RMS voltage of the 50% PWM'd 1V is 0.707V. So the 0.5Wh is correct. The difference becomes ever more evident as the duty cycle drops. For example, a 100V pulse at 1% …
PLC 24VDC PWM Output for BLDC Motor Speed Control
Jun 6, 2025 · Option 1) PWM Output Voltage Step Down. My idea is to simply reduce the control signal from PLC from 24V to 5V using resistors. I am hoping the PWM signal will not get distorted. The fan …
Opto-coupled PWM output - Electrical Engineering Stack Exchange
May 16, 2016 · I have a circuit with two different ground levels. Using a optocoupler, I want to translate a PWM signal to the new ground level. Does there exist a easier method than the following? (Ideally …