stm32f407

Hello, I want to communicate with the STM32F4 Discovery card and the PLC Stamp Mini module via SPI. This module has a QCA7000 chip inside. I selected the SPI2 channel as SPI mode 3 (CPHA = 1 , CPOL = 1) and the Chip Select pin as PE4. I want to send the 0X1A00 data and embed it as 0xAA55 in...

Hello guys, Im working on a project. I did a keyboard on my nextion screen. When Im pressing a character on the keyboard, nextion writing them on a text bar. Example: User pressing ----> 'A' , 'B' , 'C', ' ', 'D' , 'E' , 'F' (Like sending name, surname) Text Bar Looking -> ABC DEF (Like...

Hello, I am using STM32F407 to interface a MAX6969 led driver, MAX6969 is usually interfaced using SPI MOSI/MISO lines .. The problem is!, I am out of connectivity protocols (I2C/I2S/SPI/UART) only USART left and some GPIOs! Can I use USARTto interface MAX6969 which have DIN, CLK, LE, OE...