Ask questions, find answers, and share insights on STM32 products and their technical features.
Posted on March 15, 2018 at 16:06Hello,we have some temperature problems with STM32F429 (BGA) controller boards. If the temp. exceeds by some boards 40°C, and other boards at 60°C the internal voltage regulator shut down, measured at VCap1 & 2. Ev...
Posted on March 16, 2018 at 09:14The function printf is not work on TrueSTUDIO, but the same code is wrok on KEIL
Posted on March 13, 2018 at 13:19I am currently using the STM3210B-EVAL Mass Storage example, which allow access of the SD card from a PC, through Mass Storage USB connection. The SD card is accessed through SPI. I'm using a 2GB microSD card, and I ...
Posted on April 08, 2017 at 08:29Hello, I recently installed cubemx 4.20 latest version 4.20.1I can generate the project only 1 time, later if i try to update the project by adding new peripherals, i can not able to generate the code, the whole appl...
Posted on March 15, 2018 at 12:13I'm drawing a new design with the STM32L071KBUx #UFQFPN32. Do I have to connect the exposed pad to the GND, or can I leave it open. I don't see any note in the datasheet DM00141136.pdf, so I think that I can leave it...
Posted on March 16, 2018 at 08:53The 'Quick start guide' for STEP01 demo boards says you can stack up to three boards and explains how to set the link resistors to daisy-chain the SPI comms. Fine, but that still leaves all the boards connected to th...
Posted on March 16, 2018 at 08:28I'm quite new to USB and have been trying to make a custom HID using STM32CubeMX. I'm using the STM32L433 Nucleo 64 board and this is connected to the Windows PC with a custom application running. I was able to trans...
Posted on March 15, 2018 at 22:49Hello, I will use this Cortex with both ADC and both DAC active.The datasheet says the maximum (wort case) current required into Vref is:220 uA for ADC and 220 uA for DAC.I am going to apply the separate Vref with a ...
Posted on March 15, 2018 at 10:29Hello When i try to use SIGFOX_API_send_frame. I receive SFX_ERR_SEND_FRAME_SEND_UPLINK as error. but i don't really understant the meaning. Could you give me more details about this error and a way to solve it?By th...
Posted on March 16, 2018 at 06:27 Hi, I have a button of size 100* on that button i want to set image for pressed and unpressed which is also of 100* I am setting it in init dialog as BUTTON_SetBkColor(hEnter,BUTTON_CI_UNPRESSED,GUI_BLACK); ...
