Paul's Deep Dives Posts
Understanding GPIO DMA on Teensy 4.1
DMA is one of those features that sounds simple until you actually try to use it.
Unleashing FlexIO: Building the Interfaces Teensy 4 Wasn't Born With
Need SPI? Use SPI. Need I2C? Use Wire. Need a UART? Pick a serial port and get on with the rest of the project.
Getting [const] Data Out of RAM1 on Teensy Boards
A constant command table can still consume RAM on Teensy 4.x. Here's how to correctly store both your lookup table and its strings in flash.
Why Your USB Serial Data Looks Like Garbage (And How to Fix It)
When you’re wiring together fast embedded systems (like an ESP32 feeding data into a Teensy 4.1) it’s easy to assume USB will “just work.” After all, USB is fast. Way faster than UART, right?