With the bezel sorted, time to give the display something to say. The brain is an ESP32 dev board; wiring it to the GC9A01 over SPI and to the temperature/humidity sensor happened in the helping hands, under the magnifier, one triple-checked jumper at a time.

No factory, no team — BYITL is a one-person shop, and the lab is a folding table with a soldering station. Every connection was soldered and buzzed out by hand before power ever touched the board.

Nothing glamorous in these photos, which is exactly why they're here: this is what building a product actually looks like. Next log: first light.