# Embedded systems

- [GPIO concepts](/notes/embedded-systems/gpio-concepts.md): Notes on GPIO concepts
- [SPI protocol](/notes/embedded-systems/spi-protocol.md): Notes on SPI protocol
- [I2C Protocol](/notes/embedded-systems/i2c-protocol.md): Notes on I2C prorocol
- [UART Protocol](/notes/embedded-systems/uart-protocol.md): Notes on USART/UART protocol
- [CAN Protocol](/notes/embedded-systems/can-protocol.md): Notes on CAN protocol
- [DMA](/notes/embedded-systems/dma.md): Notes on DMA