You Can Build An Open Source NEST Clone In One Day? Uh Oh!

This article covers an open-source Nest-like smart thermostat built by the Spark team, describing its hardware (Spark Core Wi‑Fi board, Adafruit LED matrices, Honeywell temperature/humidity sensor, Panasonic PIR motion detector) and framing it as an example of how cheap IP-enabled components and open-source platforms enable rapid IoT innovation and challenge incumbents like Nest.