Category guide
Guides & Cheatsheets
Long-form guides, references, and cheat sheets for getting more out of a device.
Top picks
All 40 entries
Constraint Lab (PO-33 technique reference)
Playable, categorised technique reference for making music on the PO-33 K.O!
EP-133 K.O. II Cheat Sheet (Champions update)
One sheet of EP-133 key combos, updated for the Champions firmware
EP-133 K.O. II Timing Map
A visual map of note and beat timing on the EP-133 K.O. II
EP-2350 Ting Teardown
A mechanical engineer's full teardown of the EP-2350 Ting
EP-40 Riddim Cheat Sheet
All the EP-40 Riddim key combos on a single printable sheet
EP-40 Teardown
A mechanical engineer's full teardown of the EP-40 Riddim
EP SysEx
Unofficial open-source docs and tooling for the EP-133 and EP-40 SysEx protocol
EP-133 K.O. II Cheat Sheet (firmware 2.5)
Searchable, printable, mobile-friendly EP-133 K.O. II cheat sheet for firmware 2.5
Hacking the PO
Teardown reference of the Pocket Operator board: chips, parts and test pads
EP-133 K.O. II Manual (Gabriel Roth)
A rewritten, searchable web manual for the K.O. II
EP-133 K.O. II Interactive Tutor
Ask-anything how-to tutor for the EP-133 K.O. II
Learn Music with OP-XY
Free 12-week visual beginner course for the OP-XY, one web page per week
midi.guide OP-XY MIDI chart
Searchable list of every OP-XY MIDI CC and NRPN, with ranges and usage notes
Music Room Academy — EP-133 Tutorials
Video tutorials and drum-groove lessons for the EP-133 K.O. II
K.O. II Shortcut Cheat Sheet (nowurplaying)
Free, searchable reference of every EP-133 K.O. II shortcut, updated for OS 2.5
OP-1 field Patch Format Notes
Patch file format notes and tools for the OP-1 field on firmware 1.5.7
OP-1 Keypad Repair Guide
Community write-up on fixing broken OP-1 keys
OP-Z SysEx Documentation
Unofficial OP-Z SysEx protocol documentation with cross-platform Python tooling
OP-1 Beat Making Guide
Offline desktop guide app for making beats on the OP-1
OP-1 Keyboard Trace Tool
Web visualizer of the OP-1 keyboard flex-PCB traces for repairs
OP-1 Tips (op1tips)
A meticulously collected list of OP-1 tips and tricks
open-ting
Firmware extraction and analysis notes for the EP-2350 Ting (RP2350)
OP-XY Project Format Lab
Reverse-engineered docs and tools for reading, editing and generating OP-XY .xy projects
OP-Z Cheat Sheet (OPZ-ChtSht)
Back-panel-format OP-Z cheat sheet, updated for sample mode
OP-Z Manual (Condensed)
A condensed, quick-reference version of the OP-Z manual
OP-Z Firmware Notes
Reverse-engineering notes on the OP-Z firmware, with Ghidra scripts and a decode toolkit
opzdoc (OP-Z community wiki)
Community-maintained OP-Z documentation wiki on GitHub
PO-20 Chord Helper
Visual guide to the PO-20 Arcade's built-in chord network, for learning progressions
PO-33 K.O! Cheat Sheet
Quick-reference key combos for the PO-33 K.O! sampler
PO & EP Cheat Sheets
Printable cheat sheets for the Pocket Operator and EP series
PO-33 Interactive Guide
Learn the PO-33 K.O! with a clickable, interactive web guide
Riddim + Ting Learning Guide
Unofficial interactive guide to the EP-40 Riddim and EP-2350 Ting, with combo search
New Features of the EP-40 Riddim (spongefile)
In-depth look at what the EP-40 adds over the K.O. II and Medieval, with a cheat sheet
The OP-XY Guidebook & Cheat Sheet (Synthdawg)
Printable reference book and cheat sheet covering the whole OP-XY
synthdoc EP-series PDF Guides
Searchable, bookmarked offline PDFs of the official EP-133, EP-40 and EP-1320 guides
Teenage Engineering Connection Cheat Sheets
Printable I/O worksheets for planning how to wire TE gear together
teenage manual
Interactive manuals and an ask-anything assistant for TE devices
TP-7 Guide — Going Deeper
A community deep-dive guide to the TP-7's lesser-known features
Videolab Resources
Curated link list for making OP-Z videopaks in Unity with Videolab
Z-PO Project (OP-Z internals & file format)
Community reverse-engineering notes on the OP-Z, including the .opz project format