STM32 Tutorial #60 - Timer Input Capture

Publicado em: 15 Junho 2025
no canal de: STM32World

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In this video we'll be revisiting timers. In a much earlier video we were using Timer Input Capture to decode rotary encoders. In this video we will be using input capture mode to measure frequency and duty cycle of a pulse width moduleated input.

STM32World Wiki: https://stm32world.com/wiki
STM32World Article on Input Capture: https://stm32world.com/wiki/STM32_Tim...

Earlier video on Encoder Mode input capture: • STM32 Tutorial #18 - SURPRISING Timer feat...

#STM32 #GettingStarted #Tutorial #STM32CubeIDE #STM32CubeMX #PWM #Timer #InputCapture #STM32World

00:00 Intro and recap
01:50 The setup
02:25 The new project
03:50 Running the "base" project on the Black Pill
04:15 Generating frequencies using tim4 channel 4 - timer setup
06:45 Creating the code to generate PWM output
09:30 Explaining the frequency/duty cycle changes
10:30 Running the code
11:00 Fixing prime example of why I hate jumper leads and never use breadboards
13:00 Using STM32CubeMX to configure TIM2 Input Capture
15:15 The input capture mode
20:25 Running the code
26:05 Pushing the limits of my toy scope
29:00 Recap and conclusion

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