STM32 MCUs Products

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Forum Posts

Numbers in LCD custom are blurred or disappered

i had some trouble with my stm32 project about custom LCD using HT1622. LCD display all number i want but some position number is blurred or disappeared. In addition, numbers have fewer bit 1 are almost blurry and others is ok, i don't know this erro...

gggghhhh by Associate
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STM32G474 ADC channel voltage bleed

HiI've noticed unexpected behaviour with the ADCs on the STM32G474RE.The behaviour I have found, is that voltage from one channel can bleed onto the next sampled channel .eg  if channel 1 has a high voltage, and channel 2 is at 0V, I see a large ADC ...

lliwdliw_0-1689856914151.png lliwdliw_1-1689856946072.png lliwdliw_2-1689856977926.png lliwdliw_3-1689857004318.png
lliwdliw by Associate
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Troubleshooting Low Clock Speed on STM32F39ZI Board

 Hello everyone,I'm encountering an issue with achieving the desired clock speed on my STM32F39ZI-based board. I have configured the clock speed to be 180 MHz using mbedOS and PlatformIO, but the actual clock speed seems to be lower than expected. He...

STM32 interfacing with FingerPrint module through USB

Hello, I have a device that uses an STM32 microcontroller and has a USB port. I am attempting to create a secure access system for this device using a fingerprint module. My question is whether I can connect any fingerprint module to the device throu...

Sahil_96 by Associate
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Stm32h7b0vbt6 SWDIO and VCAP are shorted

Hello, so I have designed a pcb using the stm32h7b0vbt6 mcu. After finishing the soldering process and checking thoroughly for any shorts, I tried debugging the pcb. However there was always an error initializing the St link. So I checked for any sho...

STUSB1600 Source Role Comunication USB 2.0

I project a board for my company based on STUSB1600 for the part of Power Delivery with a USB Type-C port where I want to connect a device.Before sending the board into production, I purchased the evaluation board STEVAL-CCC002V1 to conduct tests wit...