Ask questions, find answers, and share insights on STM32 products and their technical features.
Posted on June 06, 2013 at 00:05All my timer interrupts are working except for TIM1. What could be wrong. I'm using Keil ARM with the STM32F013C8. Here is my startup code: EXPORT WWDG_IRQHandler [WEAK] EXPORT PVD_IRQHand...
Posted on June 04, 2013 at 16:59Hi all, I just want to clear up my understanding of DMA and how it works with respect to communication peripherals such as SPI and I2C. First, let's say I have a function that does some matrix multiplication and saves...
Posted on June 05, 2013 at 15:41I'm looking to order a 32-bit microcontroller to replace my atmega168. Whatever I order needs to have at least 2 quadrature decoders, and it would be great if it had an fpu, but that's not necessary. Also, I'm looki...
Posted on May 16, 2013 at 18:53I have a project where I will need to flash a few hundred chips that are already on boards. I have set up a chain programmer which is controlled by an MCU. basically it is just a chain of sockets for the boards that al...
Posted on June 03, 2013 at 20:11i want to drive a motor for a control of the door following the LDR sensor signal ( open when it feel light and close it when it's darkness)I have an STM32F100RB. please i need your help urgently thanks a lot
Posted on June 04, 2013 at 18:38Good afternoon, I'm a student working on a robotic project using a STM32F3 discovery evaluation board. I read that there are several IO that are 5 volts tolerant among all IOs the board have. The issue is that I can't...
Posted on June 02, 2013 at 13:23Stm32 selfcheck examples (class b iec)
Posted on May 29, 2013 at 15:33Hi,I am trying to make a 0,5 class meter with STM32 and STPM01.I found a software to calibrate the meter that is STSW-IPE005:http://www.st.com/web/en/catalog/tools/PF257783What I wanna know if there is a hardware that ...
Posted on June 04, 2013 at 16:41 Hi everyone and thanks in advance for your help, I'm going a little crazy here. I am trying to configure an SPI2 line, in master mode, to send data from my STM32F407VG to an LCD screen. However, even if I ...
Posted on June 03, 2013 at 17:01I have a timer configured to interface an encoder.Basically what I want to do is to create a trigger event at every encoder pulse, which resets another free running timer's counter value to 0.What I have now, is that ...
