Holiday Special 20

A QT Py Christmas - Failed to play audio from external Flash memory

ralphjy

This will be my final post for the Holiday Special 20 project. I was able to accomplish much of what I had planned, but failed to get the Christmas music to play from the external flash memory on the QT Py. I'll use this post to describe the problems…

over 4 years ago
Holiday Special 20
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A QT Py Christmas - Accessing external Flash memory

ralphjy

In the previous post (links at bottom), I had used my Xiao Expansion board to play Christmas music stored on the SD card using the SamdAudio player. I don't have an SD card on my QT Py ornament, but I did add a 2MB GD25Q16 external SPI flash chip to the…

over 4 years ago
Holiday Special 20
Blog

A QT Py Christmas - add Sound

ralphjy

For the final element of my QT Py Christmas ornament, I'd like to add the ability to play some Christmas music. The SAMD21 has a single DAC output that I'll use to generate tones, but I'll also need to add an audio amplifier to drive a speaker and figure…

over 4 years ago
Holiday Special 20
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A QT Py Christmas - add Cap Sense Buttons

ralphjy

The SAMD21 processor that is used on the QT Py has a built in Peripheral Touch Controller (PTC) that can detect touch on external capacitive sensors. The PTC has a mutual-capacitance mode to sense touch on an x-y matrix and a self-capacitance mode to…

over 4 years ago
Holiday Special 20
Blog

A QT Py Christmas

ralphjy

Holiday Special 20 Enter Your Holiday Project for a chance to win a tool kit bundle, shopping cart, and gifts to give to other members! Submit an Entry Submit an Entry Back to homepage Project14 Home Monthly Themes Monthly Theme Poll I was not going to…

over 4 years ago
Holiday Special 20
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