STM32 MCUs Products

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Forum Posts

to add backup battery to stm32F769

Posted on July 03, 2018 at 18:41I want to add a backup battery to STM32F769NIH6 for RTC. but unfortunately,  I don't know how to add it. I checked some link and datasheets for this but not resolved yet. https://os.mbed.com/users/gregeric/notebook/ba...

MQTT Client over LWIP using LAN8742A

Posted on May 30, 2018 at 07:19Hello everyone, i am using stm32F429ZI nucleo board and i want to implement mqtt over LWIP,i am able to send connect request and publish dummy data on mqtt server but after the keep alive time socket error occurs, i ha...

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LSE crystal doesn't work on low temperatures

Posted on June 26, 2018 at 10:03Hi everyone,I'm working on an STM32F1 platform. I have a problem with the LSE crystal. I'm using this one ABS07-120-32.768kHz-T by Abracon. The problem is with temperatures below 5�C. I made some calculations accordin...

Nucleo-144 ADC

Posted on July 02, 2018 at 22:12Hi,I am working on Nucleo-144 ADC, trying connect ADC pin to read. From RM0351 Reference manual, there are 3 ADC while the Nucleo-144 user manual has pin like ADC12_IN8, ADC123_IN1.What's those means - ADC12, ADC123? ...