Updates and Current Progress
Reverse-Engineering the LCD Display Interface o...
I reverse-engineered the Nest 2nd‑gen thermostat’s circular 320×320 LCD (TM025ZDZ01), built a 41‑pin 0.3 mm FPC breakout, and drove it over 3‑wire 9‑bit SPI with an ESP32‑C6 using Toit—covering the initialization...
Reverse-Engineering the LCD Display Interface o...
I reverse-engineered the Nest 2nd‑gen thermostat’s circular 320×320 LCD (TM025ZDZ01), built a 41‑pin 0.3 mm FPC breakout, and drove it over 3‑wire 9‑bit SPI with an ESP32‑C6 using Toit—covering the initialization...
Motivation and Early Research
Frustrated by the complex setup, persistent bugs, and Google's looming end-of-life date for the 2nd Generation Nest thermostat, I decided to take matters into my own hands. An iFixit teardown...
Motivation and Early Research
Frustrated by the complex setup, persistent bugs, and Google's looming end-of-life date for the 2nd Generation Nest thermostat, I decided to take matters into my own hands. An iFixit teardown...