specifications
audio.
- 1/4". 2 output. 2 input. all line level. (1)
- 1/4" headphone with gain.
interface.
- 128 x 64 OLED, 16-level bright white huge pixels.
- 3 rotary encoders, standard resolution.
- 3 keys.
- rear status LED indicating power and disk access.
interconnect.
- 4 x USB ports for devices.
- serial tty via USB-mini.
power.
- power/charge via USB-mini (high output USB power supply included).
- internal lipo battery 2250mAh.
processsing.
- compute module 3 SoC. quad core 1.2ghz, 1gb RAM, 4gb eMMC (faster and more reliable than an sd card).
- cs4270 i2s audio codec (low latency).
os.
- linux with realtime kernel. (2)
…
yes, it’s minimalist. (3)
reducing the built-in features provides less expectation of how this machine should be used. it lets it be tiny, efficient, and less expensive.
USB brings everything together:
- grid and arc, certainly.
- MIDI (4), for application-specific controller layouts, CC, or just keyboard input. USB-to-MIDIplug for talking to instruments with actual MIDI ports.
- footswitch bank.
- HID everything: gamepads, keyboards, etc.
- CV devices (more on this later).
- wifi (nub is included). OSC-ready (4), so touchOSC and inter-computer conversation is easy.
- anything you can make with a teensy or similar devboard with USB device mode.
there are several little DIY circuits i plan to build for my own performance setup (ie USB foot switch, battery-powered preamp) which i’ll add to the growing collection of open-source electronics shared by the lines community. making custom controllers creates a physical connection to custom software.
…
but the norns also stands on its own. as a processor/effect, as a drone machine, as a robot drummer for your jam band (or metal band).
…
sun’s out, it’s saturday. time to go outside.
(1) thank you trent (@galapagoose) for assistance on the analog design.
(2) huge help from simon (@simonvanderveldt), artem (@artfwo), murray (@murray), and rick (@rick_monster)!
(3) surprise!!!
(4) artem again, so much gratitude.