Boards using the HCPL-0631

9 boards

Boards in 8 GitHub repositories, designed in KiCad, that use the HCPL-0631 by Broadcom Limited (-40℃~+85℃ 1.5V 15kV/us 2 3.75kV 4.5V~5.5V 5mA 75ns 75ns DC Output enable control、Open-collector output SOT-ALL-8 Logic Output Optoisolators). See how each wires it, with its parts, size, README and files; the HCPL-0631’s symbol, footprint and pinout are on its own page.

4 layers65 × 100 mm
Audcalc
jonbro/Audcalc
pocket sized groovebox
218 parts62MIT
2 layers20.3 × 104.3 mm
Expander just back
plinkysynth/plinky-expander
hardware design of a small expander for the plinky synth
62 parts19
4 layers101.6 × 111.5 mm
Daisyplusdac
lichen-community-systems/signaletic
A music signal processing library designed for embedded environments and Web Assembly, in C
117 parts9MIT
4 layers65 × 100 mm
Audcalc
sinitsinmike/Audcalc2
I'm happy with this, but its not 100% feature complete on the firmware side. Its really neat though, and I think you'll like it.
218 partsMIT
2 layers43.2 × 128.3 mm
Xyab
plinkysynth/plinky_public
a public release of the plinky sw and hw
78 parts227
4 layers119.4 × 110.4 mm
Space
ThisIsNotRocketScience/Eurorack-Modules
This is not Rocket Science presents: Eurorack modular synthesizer modules!
249 parts87MIT
4 layers51 × 32 mm
Rp2350-dual usb
lichen-community-systems/lichen-eurorack-hardware
Hardware designs for eurorack synthesizer modules by Lichen Community Systems
53 parts1
2 layers90.3 × 128.5 mm
Expander midi
doctea/usb_midi_clocker_hardware

73 parts
2 layers70.4 × 128.5 mm
Expander midi
doctea/usb_midi_clocker_hardware

44 parts