zynthian-build

Zynthian RPi-3 build w/ case, controller, etc.

Note: this is a reference build for the mcp23017 + interrupt based encoders and switches.

Demo of the MCP23017 controller function:
Demo (with terrible instrument choice):

DAC:

https://www.sainsmart.com/sainsmart-hifi-dac-audio-sound-card-module-i2s-interface-for-raspberry-pi-2-b.html
- header hack:
webconf for the DAC: MCP23017 details
Board schematic:
Zynthian webconf setup should look like this::

Assembly photos:

Lid inside
Lid outside
Case inside
Final

Zynthian case

Dimensions

5" touch display;
- https://smile.amazon.com/gp/product/B072813CS7/ref=oh_aui_detailpage_o03_s00?ie=UTF8&psc=1
- appears to be a knock off of the Waveshare 5"
- Width 118mm
- Height 70mm
- Board width 122mm
- Board height 78.5mm
- Thickness 7mm
- Total depth (without cable) 22mm
Encoder
- Shaft diameter 7mm
- Inside depth 8.2mm
- Width 18mm
- Length 31mm (with pins)

Zynthian controller

Dimensions

Encoder
- Shaft diameter 7mm
- Inside depth 8.2mm
- Width 18mm
- Length 31mm (with pins)
Latch buttons
- Diameter 12.1mm
LED pushbuttons
- Diameter 24mm
Photoresistor
- Width 5mm
- Length 4mm
- Wire separation 3.5mm
LED laser
- Diameter 6mm
- Length 10mm
i2c OLED
- Width 27mm
- Display height 16mm
- Screw width 20mm
- Screw height 22.3mm