DIY projects with Ruby & Pi
summary
Builds two working projects: a Raspberry Pi 3 motion sensor that posts events to a local Rails API (uses Ruby, a simple users/locations/sensors/events model and the Pied Piper gem) and runs reliably for two months; and a Pi Zero time-lapse camera powered by a 5V pack with an 18-line loop using raspistill and blinking LEDs. Notes Ruby 2.5 compiles on a Pi Zero (about 30 minutes), lists exact components and wiring, and shows live demos.
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chapters (10)
- 0:00Introduction and setup
- 2:13What is a Raspberry Pi
- 7:19Hardware and where to buy
- 10:13Installing the OS
- 12:24Development environment
- 13:30Overview of sensors
- 14:37Motion sensor app
- 20:44Time-lapse camera project
- 23:27Live demo of time-lapse
- 29:05Project references and Q&A
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