I'm using PWM with level shifter(BSS138, 74HCT14D, TXB0104) for developing IC embedded LED (such as WS2812) However, when I captured this siganl using scope, I found that the signal was not clear.Below are the pictures that I captured. 1. Before addi...

Hello.  I am currently using USART6 by setting RX as interrupt, and TX as DMA in STM32F4.The ST board mostly worked well, however, after some hours (maybe 10 hour), the RX interrupt wasn't called. I suppose that this problem is not related to hardwar...

Hello. I am developing CAN communication protocols using STM32F429.However there is a problem in sending CAN frame data. Here is a picture which I captured in CAN TX using logic analyzer, and as you can see, the series of data is losted after first d...