What is it?

• Eurorack 6HP, 3U module
• This is a three card stack-up
• You provide the parts to populate the cards
• Front Panel card
• Controls card
• 9 Jacks, 1 pot
• Processor card
• Arduino Pro Mini
• 16 MHz
• 5V
• Works with either ATMega328 or ATMega168 (currently more available)
• Programmed via FTDI Serial
• MIDI In
• TRS Type A jack MIDI In
• USB MIDI In if external FTDI card/cable
• (4) 0-4.096V Analog CV outs = 4 octaves
• MCP4822 12-bit D/A - SPI Interface
• MCP4822 Datasheet
• D/A has built in output opamps, set gain to 2X
• Outputs may only swing 2x 2.048V or 4.096V (4 octaves)
• GATE output (0-5V)
• CLK output (0-5V)
• TRIG output (0-5V)
• Standard Eurorack 10 pin power header

Why did you make it?

I needed one so I made one.

Price Break

There is a price break for qty 3 card sets. If you order 3 cards, they ship as a panel that needs to be snapped apart. The cards separate easily from each other since they are V-scored. It's just a bit easier to ship them as panels.

Our other Eurorack cards

• Eurorack Prototyping Card Set (ER-PROTO-02)
• Eurorack Prototyping Card Set, (ER-PROTO-01)
• ADSR Envelope Generator Eurorack PCB Set
• Eurorack 5 Channel Mixer (PCB Only)
• Eurorack VCO Card Set
• Eurorack Dual VCA card set
• Eurorack Power Card (PCB Only)