Look Who it Was Random video

Circuit Playground Express & CircuitPython fidget spinner tachometer with Tony D!

1,929 views · Published 1 July 2017 · 1:19:16 · Indexed 24 October 2026

Channel: Adafruit Industries · 2017 · Science & Technology

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Live stream to http://twitch.tv/adafruit showing how to build a CircuitPython-powered tachometer with Circuit Playground Express and how to use it to measure the speed of a fidget spinner.  Followup to the Arduino version of this project here: https://www.youtube.com/watch?v=v-PVGTwXKFU

Links mentioned in the video:
- Pt. 1 video with Arduino version and breakdown of the frequency detection algorithm: https://www.youtube.com/watch?v=v-PVGTwXKFU
- Circuit Playground Express board: https://www.adafruit.com/product/3333
- Circuit Python & Windows 10 video: https://www.youtube.com/watch?v=FD5lkDypVSo
- Visual Studio Code configuring terminal: https://code.visualstudio.com/docs/editor/integrated-terminal
- Python download: https://www.python.org/downloads/
- PySerial tools: http://pyserial.readthedocs.io/en/latest/tools.html
- Circuit Python home: https://github.com/adafruit/circuitpython
- Circuit Python API docs: http://circuitpython.readthedocs.io/en/latest/?
- Circuit Python NeoPixel module: https://github.com/adafruit/Adafruit_CircuitPython_NeoPixel
- Full fidget spinner tachometer CircuitPython code: https://gist.github.com/tdicola/e12bb4b82291ff436fb2b7dde35f5b4b

Acknowledgements:
- Music: bartlebeats
- Intro shuttle footage: NASA
- Intro fonts: Typodermic
- Intro inspiration: Mr. Wizards's World
- Matrix background: cool-retro-term & cmatrix

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