This example shows how to use channels to divide interrupt handler into two parts: fast part - that runs in interrupt context and slow part - that runs in thread context.

This example shows how to use DMA for memory to memory transfers.

WaveShare 1.54inch e-Paper Module (B) / Good Dispay GxGDEW0154Z04 Connections: DIN (blue) <- PA7 (SPI1 MOSI) CLK (yellow) <- PA5 (SPI1 SCK) CS (orange) <- PA6 DC (green) <- PA4 RST (white) <- PA3 BUSY(violet) -> PA1.

This example shows how to use PCF8574T + HD44780 combo.

This example blinks leds connected to pins P4, P5, P6, P7 of PCF8574T.

This example shows low-level method of semihosting I/O.