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Controller receives timer interrupt when i connect heater ATX with the PCB

AliHassan
Associate

‎2025-01-20 08:48 PM

what's the problem, when i connect heater ATX with the relay on PCB, the process receives a external interrupt and it stops the timer 1 and also stops the process, while the other timer which is timer5 works fine but when disconnect heater form the PCB, it works fine and also relay switches normally as i want to.

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Andrew Neil
Guru

‎2025-01-21 12:45 AM

You need to give more details - see How to write your question to maximize your chances to find a solution

  • What is "heater ATX" and how, exactly, is it connected ?
  • What relay ?
  • Details of your PCB - schematics, etc
  • Details of connections, power supply, etc ...
  • What investigation/testing/debugging have you done so far?

Remember that we know absolutely nothing about your project other than what you give in your post.

 

PS

And don't forget to mark the solution on your previous thread: 

https://community.st.com/t5/stm32-mcus-boards-and-hardware/stm32-uart-communication-with-dwin-lcd/m-p/763923/highlight/true#M23546

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