SIM900 without SIM card ?
Dear Members,Can I use SIM900 without SIM card for init code ?Does it support 3G ?Thanks
STM32 MCUs Products
Ask questions, find answers, and share insights on STM32 products and their technical features.
Forum Posts
Resolved! Interrupt priority issue between a timer and spi on STM32F4
My goal is to have a timer that triggers an interrupt at 1kHz and for that to call a few lines of code that starts a HAL_SPI_TransmitReceive_DMA call (or possibly more than one on different SPI buses). Once the SPI calls are made, it enters a while l...
STM32f405 clock synchronize
Hello, I'm trying to use two identical stm32f4 boards to synchronize tick of one with respect to other.I'm using can to using can protocol for communication in Interrupt mode.So the Master is supposed to be always running and the slave when powers up...
New Template of Website - Menu
Hello,I apologize if I did not find a suitable place to raise this issue.The new site template is improved, but there's a problem with its menu. On some pages of the website, when scrolling the page up and down, suddenly get a fix menu on the page, w...
STM32H7: ADC conversion with transfer by DMA: HAL_ADC_Start_DMA , Destination Buffer address don't get result
ADC:ADC1_Handler.Instance = ADC1; ADC1_Handler.Init.ClockPrescaler = ADC_CLOCK_SYNC_PCLK_DIV4; //4·ÖƵ£¬ADCCLK=PER_CK/4=64/4=16MHZ ADC1_Handler.Init.Resolution = ADC_RESOLUTION_12B; //16λģʽ ADC1_Handler.Init.ScanCon...
Resolved! [Solved] STM32H743 SAI DMA Receiving only '0's
Hey,I configured the stm32h743 to transfer data with sai2 and read the same data with sai1. Sai2 is in IT mode and works fine (checked it with a logic analyzer).The SAI2 is totally working in IT mode, but when I put it in DMA mode i only receive 0's....
Resolved! STM32H743I-EVAL FDCAN can not receive
Posted on August 17, 2017 at 13:48Hello, I tried the example 'FDCAN_Com_polling' on STM32H743I-EVAL, it worked like it should be.Then I separated the example code into TX part and RX part, made one of my STM32H743I-EVAL board as TX and another as...
Using the comparator + break input to control the complementary output in the advanced control timer
Hi all,I am working on a project where we are using the advanced control timer to control a motor in half-bridge (with both outputs of channel 1, OC & OCN), and we are already using the OCxRef-clear feature to control the maximum allowed current (usi...
RTC Date Lost after reset
HII use STM32F107RTC6 and configure for time and dateafter reset time is ok but date lost and reset to 2000/1/1please help me
Trying to find an open version of Java that will work with STMCUFinder on a Linux system.
I have a new PC so was trying to install STMCUFinder. It does not like the version of Java I have, OpenJDK 11.0.3. The problem is very recently Oracle have withdrawn their freely downloadable versions of Java so you now have to enter into an agreem...
