Raspberry Pico Adventures

Continuing my experiences with video generation, let's take a look what we got in the official documentation and repositories (notice that the software is marked as "worked in progress"). It works!

" Knowing the RP2040 " is a book where I try to explain the RP2040 features in a logical and clear way ,so you can get a better knowing of what it is capable of and how to use it.

The DHT11 and DHT22 are popular sensors for measuring temperature and humidity. While connecting these sensors to a microcontroller is very simple, communicating with them demands generating and measuring times of the order of microseconds. Let's see how the RP2040's PIO can help us.

One (of many) obvious differences between the Rapsberry Pi Pico and the other Raspberry Pi models is the lack of video output (remember, the Pi Pico is a microcontroller board and the others are single board computers).  Not a big problem! With a few resistors and some ingenious software we can generate video with the Pi Pico. My main interest in this is to build a serial terminal for my retro microprocessor boards (you can see my current effort at  https://github.com/dquadros/RPTerm ). This experiment was done in April 21, based on an article by Dean Belfield . Since then he has improved his hardware and code in many ways, including adding color. Meanwhile I moved on to VGA video .