The Monster M4sk comes installed with CircuitPython and eyes already loaded. We'll add the Tree Ent eyes and code. Start by downloading the two code packages below.
The tree.zip file contains all the image files you'll need, and MASK_PIR.UF2 contains all the fancy eye movement code and sensor code.
Double-click the reset button on the bottom of the Monster M4sk. Your CIRCUITPY drive will change to read MONSTERM4SKBOOT.
Drag MASK_PIR.UF2 onto this drive. Once it's done copying, the Monster M4sk will reboot and the drive will change back to CIRCUITPY.
Plug your Monster M4sk into your computer via the USB port. Please use a known-good USB cable with data + power wires.
A new flash drive will appear titled CIRCUITPY.
Unzip tree.zip into a folder called tree and copy it to the CIRCUITPY drive.
Next, take a look at the contents of CIRCUITPY. You should see the tree folder you just copied over. Open that folder and look for config.eye.
Delete the version of config.eye that's pre-loaded at the root of CIRCUITPY. Drag the config.eye from the tree folder to the root, replacing the original file.
Press the reset button on the back of the Monster M4sk and take a look at the eyes. If you don't have your sensor plugged in yet, you'll see just a quick "wink" and the eyes will disappear. This is normal -- they are waiting for sensor data to "wake up," but the quick wink is enough to confirm that your eye graphics are indeed showing.
That's it, all the code is installed. If you want more info about how this all works behind the scenes, check out the Monster M4sk guide for all the details.
Troubleshooting
If your Monster M4sk isn't showing up as a CIRCUITPY drive, or if you're having any trouble installing graphics, head over to the main MonsterM4sk Guide - Quick Start for more detailed instructions.
It's not hard to reload the Monster M4sk to factory settings, from whence you can begin again with more success.
Page last edited March 08, 2024
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