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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M41T83ZMY6F RTC Reports Half the Actual Time

I am working with the M41T83ZMY6F RTC (internal crystal version) in a project and I’ve encountered an unusual behavior: when I read the time via I²C, the RTC seems to count at exactly half the expected rate. For example, after one real second, the se...

shan by Associate
  • 171 Views
  • 3 replies
  • 1 kudos

Resolved! Is the LM311DT rail-to-rail?

As per subject, is the ST LM311DT rail-to-rail? Farnell claims that it is, but that's the only place that says it is, I can't find a definitive statement in the datasheet.(I have used the TI LM311, and that is not rail-to-rail. I need to handle input...

AndrewIC by Associate
  • 349 Views
  • 2 replies
  • 0 kudos

Resolved! Blue pill blink external LED

I used the settings and code below for a simple project: Blink an external DIP LED using the blue pill:In Pinout & Configuration:- PA5 => GPIO_Output- user label: LEDThe wire connections (like screenshot below):PA5 pin => Resistor => Long leg (anode)...

photo_2025-08-09_11-19-55.jpg
TechyAry by Associate III
  • 547 Views
  • 8 replies
  • 0 kudos