How to make the EL9 solution in Routine

Here's how to solve the EL9 solution puzzle in Routine to pass decontamination and enter the Main Control Lab in the Annex ...
Hackaday

A Deep Dive Into Using PIO And DMA On The RP2350

Here’s a fun rabbit hole to run down if you don’t already have the RP2040/RP2350 PIO feather in your cap: how to serve data without CPU intervention using PIO and DMA on the RP2350. If ...