gorgelandia

Topic

electronics

2 posts tagged electronics.

Bias light behind a screen
2026-03-15 └ Ambilight ESP32-S3

Why I gave up on the OV2640's raw mode

Raw RGB565 looked like the fast path. Then the colors came out wrong in a way I couldn't correct, and JPEG decode won me back.

electronicsoptics ▼1 ≡5
LED strip
2026-02-20 └ Ambilight ESP32-S3

Killing the boot-time LED flash with a MOSFET

Every time the TV powered on, the strip flashed a confused rainbow for half a second. One transistor on GPIO21 fixed it.

electronics ▼1 ≡5