Category: ARM


WiFi controlled Neo Pixels strips

In this project I explain how to drive NeoPixels with an Arduino M0 PRO (SAMD21) using the SPI peripheral with the DMA controller to create colored animated patterns. Since displaying...


STM32F4: using the DMA controller

When we want to transfer data to/from a peripheral device to perform I/O operations we generally use memory mapped IO: peripherals’ configuration and control registers are mapped to the microcontroller...