Release log

Fabrication results.

v1.0 - 2023-06-11

Works, but has significant problems.

Properties:

Fabricator: JLCPCB
Material: FR4 (Tg 135)
Layers: 2
PCB thickness: 1.2mm
Solder mask color: black
Silkscreen: white
Surface finish: HASL (with lead)
Copper weight: 1 oz
Via covering: tented
Board outline tolerance: +-0.2mm
Appearance quality: IPC Class 2 Standard
Silkscreen technology: Ink-jet/screen printing

Problems:

Major

touch button on GPIO0/BOOT doesn't work properly, leaving the circle shape unused
no pull-up resistor on ESP32 pin EN
rotary encoder function icons don't match the actual modes

Minor

wire holes diameter is too narrow
touch buttons work better without resistors
WS281x signal overshoots and rings on long wire with the specified resistor value range
the power LED is too bright with the specified 330 ohm resistor
circle shape appears a bit larger than the others
release version is not visually accessible on the bottom layer once mounted