DIY Bluetooth Force Sensor
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Build your own Bluetooth Force sensor for the science classroom. Links to phyphox app - all code provided via Github.
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Updated at source:
Model information
- Source
- Printables
- Category
- Physics & Astronomy
- License
- Creative Commons — Attribution — Noncommercial
Build guide with code here: https://github.com/RGill-1/Bluetooth-Science-Sensors/wiki/8.-Force-Sensor
Case Features:
- Snap fit lid
- Push button to put ESP32 into deep sleep
- RGB LED for status
- Space for 500mAh battery
- Single box of M2.5 hardware required (Adafruit 3299)
I have had success printing with 0.20mm layer height.
STEM Project
This is part of a series of devices all based on the same Adafruit ESP32 Feather V2. Making use of the QT STEMMA cable system to be as solder free as possible - allowing you to hot swap boards / sensors as needed. Follow these Printables links to the:
- Light sensor - https://www.printables.com/model/385964-diy-bluetooth-light-sensor
- Distance sensor - https://www.printables.com/model/391840-diy-bluetooth-distance-sensor
- Combined Voltmeter/Ammeter - https://www.printables.com/model/391877-diy-bluetooth-voltmeterammeter
The aim is to work with students to develop these sensors (and others like them) as part of an extra-curricular STEM club. The students will learn how to:
- Conceive different sensors / combinations of sensors to achieve scientific goals
- Use CAD software to design cases
- Slice and 3D print the cases
- Use Arduino to code the devices such that they communicate with the phyphox app to plot the data. The app allows for the creation of custom experiment views which the students can configure.
Any feedback much appreciated.