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Resolved! STM32L496 Resetting CAN TEC/REC Counters

I have a system in which the power source to the CAN transceiver interfaced to the on-chip CAN peripheral is common between multiple MCU's vis-a-vis a connector. I have experienced issues wherein if the connection is broken and then re-connected betw...

Library for MQTT using STM32F411RE and GSM module

I am beginner in using STM32 boards I am working with stm32f411re board with that I will use sim900a gsm module for internet connectivity and then mqtt protocol to send data to AWS cloud. So, when I am using paho mqtt library paho.mqtt.embedded-c/MQT...

Reva1605 by Associate
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  • 0 replies
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send AT commands via stm32l011

hello everyone, I have a problem, I have a custom PCB with an STM32L011, I have a sim800l module connected, I send the AT commands via LPUART1 and I want the response on UART2, but as an answer I got AAAAAAAAAAA and after a while Call Ready,Call Read...

Leads for how/where to sell a few spare STM32H7s

If this is not the forum for this kind of question, please let know where to post.I have a few STM32H7 MCUs which I bought once when they suddenly, momentarily became available during the ... Great Chip Shortage.78 units of 100-pin STM32H7VIT6 13 uni...

APagl by Associate III
  • 835 Views
  • 7 replies
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Resolved! STM32H7B0 ULPI Timing in 1.8V and PHY Selection

I am currently working on using the USB3320 ULPI PHY with the STM32H7B0VBT6. After reading the STM32 reference manual, I noticed that it mentions special attention should be paid to the hold time when operating at 1.8V.Additionally, I came across a f...

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Cirno by Associate
  • 492 Views
  • 2 replies
  • 2 kudos