Crossed Wires: Investigating the Problems of End-User Developers in a Physical Computing Task
summary
Study observes 20 participants using an Arduino board, breadboard, temperature sensor, three LEDs and the Arduino IDE/serial monitor to build a “loveometer” in 45 minutes. Only 6 completed the task; 10 failed from circuit faults (five mis-wirings, five missing resistors) while three failed from program errors. Many programs are correct but circuit errors produce confusing serial readings, provoke wrong program fixes, and often become fatal because users misdiagnose hardware as software.
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chapters (10)
- 0:00Introduction to study
- 1:11Physical computing challenges
- 3:19Study design and participants
- 5:10Loveometer task overview
- 8:24Problem locations analysis
- 10:10Circuit construction failures
- 11:18Debugging misdiagnosis example
- 13:01Support recommendations
- 15:09Study findings summary
- 16:18Q&A discussion
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