Using Javascript for IoT Internet of Tums
summary
Builds a small JavaScript-controlled IoT button using tehsil (headless Linux board) and Node packages that logs each Tums press to Google Sheets via the Sheets API, using a GPIO interrupt to trigger an append. Implements the device-style OAuth flow by generating tokens while tethered and copying credentials to the device, deploys code with T2 run/push, and runs headless. Device costs noted ~$40 versus a Raspberry Pi Zero at $5, and the system successfully records timestamps for doctor conversations.
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