Meet the PyCorder

January 19, 2021 fustini

Joey Castillo is well-known for the awesome OpenBook e-reader project and has recently announced a new open source hardware project: the PyCorder!

Folks: meet the PyCorder! My take on a touchpad-based Sharp Memory Display gadget, in gorgeous @oshpark After Dark. More in the coming days, but feeling super stoked tonight because I finally got it up and running (and made a simple input task for circuitpyui; video in 2nd tweet) pic.twitter.com/5A9gXN4yPm
— @[email protected] (@josecastillo) January 15, 2021

It uses the microcontroller to sense capactive touch keyboard:

https://twitter.com/josecastillo/status/1349910810970251264

And has add-on sensors like moisture to monitor soil:

Now I wish I'd left it running longer, because about 20 minutes after this, it showed the moisture diffusing back up through the layers of soil. Alas, there are no more bone-dry plants in my house, so you'll have to take my word for it. Code here: https://t.co/vUJfJACle3 pic.twitter.com/LbG2LpKnPr
— @[email protected] (@josecastillo) January 16, 2021

And pulse oximetry:

The Pycorder isn’t remotely a medical gadget, but there’s tons of fun biosensing you can do with it. Here I’m using an infrared LED and phototransistor to visualize my pulse. The raw value dances around a bit, prolly in relation to blood oxygen lvl; still, a fun proof of concept! pic.twitter.com/qQ3itAKN49
— @[email protected] (@josecastillo) January 17, 2021

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