3D printed Bionic Hand a little IOT and a Xamarin Mobile App
summary
Repurposes OpenBionics designs and prints articulated components on a Prusa MK3 while molding soft fingertips; replaces sticky EMG pads with embedded force sensors and drives four linear actuators from an Adafruit Feather BLE plus motor controller, stepping 5V to 12V for motors. A Xamarin Forms app programs grips over Bluetooth (five presets, custom sequence builder) and stores settings; motors and battery are biggest costs, total parts run about £500 versus NHS/retail thousands, and the hand reliably performs Xbox triggers, carrying and pointing.
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chapters (19)
- 0:00Introduction and speaker background
- 1:28Meet Cayden and the problem
- 6:28Project origins and early attempts
- 10:03Discovering open-source solutions
- 13:55Upgrading the 3D printer
- 16:01Prototyping and refining the design
- 17:043D printed parts and assembly
- 19:09Cost breakdown of materials
- 20:13Electronics and muscle sensors
- 25:47Improving the electronics
- 29:15Finding better sensors
- 31:03Circuit design and build
- 32:27Programming new grips
- 34:32Xamarin mobile app development
- 37:21Final assembly and testing
- 38:06Cost reduction and future plans
- 39:49Live demo of the app and hand
- 43:03Next steps and global impact
- 44:05Q&A and closing remarks
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