STM32 MCUs Products

How to disable esim on B-L462E-CELL1 to use a physical sim?

I am using B-L462E-CELL1, but truphone does not provide services for LTE-M in my country. So I am trying to use a physical sim instead. How do I diasble the esim to send sms messages via the plastic sim card?

USB stopped connecting to STM32F405.

I have an Adafruit STM32F405 Feather Express. I am compiling / uploading with Arduino IDE V2.1.0 with Windows 11 64. The board worked well for about a week, but no longer connects/shows up as Port 5 of USB. I was successfully connecting and uploading...

Extra bits in SPI Slave DMA

I'm working on a SPI slave right now and found some weird behavior in the peripheral on a STM32g441. The following code is within a GPIO interrupt that's triggered by the CS pin rising. The peripheral clock is 160 MHz and sclk is 1.3 MHz. The spi mod...

how to measure pwm using timer in stm32 using software and without connecting external pins?

How to trigger ADC from TIM1 internally?

Hi All,I am using STM32F410RB chip.I want to make launch adc from timer periodically.From reference manual (RM0401) ADC can be triggered from TIM1_CH1 event.On figure 49 the only connection from TIM1 to ADC is TRGO.And from the same figure this TRGO ...