Play music on Raspberry Pi Pico Without CPU involvement
Play music on Raspberry Pi Pico Without CPU involvement This is based on PIOBeep (https://github.com/benevpi/pico_pio_buzz) but lets you setup a piece of sound and then play it without processor involvement. It’s a little RAM intensive (circa 2K per second). It might be possible to improve this but might not. The DMA transfer is running as slowly as it can. I suppose slowing down the clock frequency would decrease RAM useage, but that probably defeats the point. It’s probably possible to […]
Read more