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hardware

Smartening up a Whole-Home Humidifier

TL;DR - Hacking an Aprilaire steam humidifier into doing time-of-use electricity pricing

TL;DR #2 - A smart thermostat is just a handful of relays, a sensor, and a radio chip.

Utah air is very dry, so we have an Aprilaire Model 800 steam humidifier paired with the Aprilaire Model 62 …

PeloMon: The Code (Part IV)

TL;DR - How to implement a cycling speed+cadence+power meter over Bluetooth LE, and some other small software tricks on the PeloMon.

Fourth in a series. See the project GitHub, to be updated through the series.

PeloMon: Hardware (Part III)

TL;DR - Hardware selection (microcontroller, power delivery, signaling) and board layouts for the PeloMon.

Fourth in a series. See the project GitHub, to be updated through the series.

Emulating the Peloton (PeloMon, Part II)

TL;DR - How long it takes the Bike to respond to its head unit, building event-driven and hardware timing-accurate emulators of the Peloton Bike to assist in development, and a Peloton decoder library in C.

Third in a series. See the project GitHub, to be updated through the series.

How does the Peloton compute speed? (PeloMon, Part Ib)

TL;DR - Speed on the Peloton Bike is a pure function of power and can be accurately regressed with a two-piece polynomial fit. Code is available at the project GitHub repo.

Second in a series. See the project GitHub, to be updated through the series.