Others: hardware and software

Discuss hardware and software design challenges, including NOR flash storage, OTA updates, component ID, and thermal management.

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STM8S103 I2C issue

Hi,I like to control this cute STM8S103 uC with c-code without using any library. I created many succesfully projects but now I want to write a I2C driver.I configured the uC portpins PB4/PB5 being SCL/SDA as Psuedo Open Drain and as Ouput and the I2...

sthvw by Associate III
  • 2007 Views
  • 3 replies
  • 0 kudos

M24C04 CRC error at 400KHz

Dear Team,We are using M24C04-D in our design and getting CRC error at 400KHz.We observed that almost every time only 1bit change i.e SDA not able to rise to 1. Please see below image.  There is no such issue at 100KHz. Could you please tell what cou...

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Closed loop stepper motor

Hello,I recently came across a question that I would like to ask you for help with.I am considering using closed loop stepper motors and drivers in my 3D printer. If I had two stepper motors for one axis, I would connect them in parallel. Is this als...

carl29 by Associate
  • 970 Views
  • 0 replies
  • 0 kudos

Resolved! Multiple definition of ***

Hello,I have a question that is completely unrelated to STM, but I believe you can help me.I would like to advise why I cannot use the following code and the message multiple definition comes out.I will reduce the code to the necessary minimum.I thou...

Chlaban by Associate
  • 1263 Views
  • 2 replies
  • 0 kudos

MOSFET N

Hello, I need an N-channel MOSFET that operates perfectly as a switch (on/off) with a gate voltage range of 0V to 3.3V. Could you recommend one? 

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eljohrikm by Associate II
  • 1148 Views
  • 3 replies
  • 0 kudos

Resolved! DS3231 RTC Time code not accurate

I've been recently trying to implement code to display the time in hours and minutes via the UART terminal. I've run into the issue where the time is inaccurate and increases by a minute every second and am not sure what is wrong with my code. I use ...

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DRicc.2 by Senior
  • 2215 Views
  • 4 replies
  • 2 kudos

Marking for ILPS22QSTR

Hello,Can anyone confirm that the HLGA10 sensors in the pictures are MPN ILPS22QSTR ?They were purchased from Farnell and they did not include ST's original label in the delivery. So I need to know the marking to be 100% sure of what was delivered.Th...

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