6 layers150 × 60 mm

Logic macropad
Greentalinjo/74HController
A game controller built entirely from discrete 74HC logic - no microcontroller, a diode ROM and an 8-N-1 serial frame out of an RJ45 console port.
170 parts
Open-source boards designed in KiCad by Greentalinjo on GitHub, from 2 repositories. A board’s address here is its repository’s there.

Greentalinjo/74HController
A game controller built entirely from discrete 74HC logic - no microcontroller, a diode ROM and an 8-N-1 serial frame out of an RJ45 console port.

Greentalinjo/GreenToaster
A reflow oven controller: RP2040, PT100 RTD, touchscreen profile editor, feed-forward + PID with automatic oven calibration, and a sealed 3D-printed mains enclosure.

Greentalinjo/GreenToaster
A reflow oven controller: RP2040, PT100 RTD, touchscreen profile editor, feed-forward + PID with automatic oven calibration, and a sealed 3D-printed mains enclosure.