FAQ
// DOCUMENTATION INDEX — T-0 MODULE
Everything you need to know about the T-0 Eurorack module. Pioneer CDJ Link extraction, Ableton Link sync, CV/Gate output architecture, hardware specs, and firmware updates.
[FAQ.01]
What does your Eurorack module do?
Our module allows DJs and producers to connect Pioneer CDJs via Pro DJ Link directly to Eurorack systems. It translates BPM, beatgrid and key information into CV and gate signals, enabling tight synchronization of modular gear with CDJs. It also joins Ableton Link sessions, so the same module syncs your rack in the studio.
[FAQ.02]
How does the module connect to CDJs?
It connects via Ethernet to the CDJs' Pro DJ Link network. No need for USB or MIDI-out from the CDJ—everything is pulled directly from the link protocol.
[FAQ.03]
Does it work with Ableton Link?
Yes. T-0 joins Ableton Link sessions on the same network, so your rack follows the tempo and beat phase of Ableton Live and other Link-enabled apps — taking it from the studio to the club. With no network at all, it works as a standalone clock.
[FAQ.04]
What kind of inputs and outputs does it offer?
- 8 variable outputs (0–5 V, 16-bit) — each can be a Clock, Reset, LFO, Euclid, RhyLFO (a euclidean rhythm of LFO cycles), Seq (trigger patterns), Arp, LFOSeq (chained shapes), Output (quantizer or envelope from an input) or Root (the track's root as 1 V/oct)
- 3 variable inputs — each can work as a Quantizer, Tuner, Clock IN or Reset IN
- Root key and Major/Minor scale are read from the selected CDJ's track
[FAQ.05]
Does it support multiple CDJs?
Yes! It can listen to the entire DJ Link network, meaning it works in setups with 2, 3, or 4 CDJs. You choose which CDJ the module follows.
[FAQ.06]
Can I choose which deck to sync to?
Yes. You select which CDJ the module follows, and it doesn't have to be the Master deck. The choice is made once for the whole module, not per output.
[FAQ.07]
Is there latency or jitter?
Very low latency. Clock signals are derived in near real-time from the Pro DJ Link packets, ensuring tight sync. CV outputs are hardware-generated for minimal jitter.
[FAQ.08]
Is it plug-and-play?
Mostly! Just plug in the Ethernet cable, assign your inputs and outputs, and you're ready to sync. Advanced settings are available through a web interface hosted on the module.
[FAQ.09]
Do I need an internet connection?
No. The module only uses the local network: the Pro DJ Link network created by the CDJs, or the one your Ableton Link session runs on. No external internet connection is required.
[FAQ.10]
What CV range does it output?
Standard 0–5V CV pulses for clocks and resets, compatible with most Eurorack gear.
[FAQ.11]
Can it be updated?
Yes! Firmware updates can be installed via USB or web interface. We plan to release regular updates as we expand compatibility and features.
[FAQ.12]
Does it work with Rekordbox DJ or other software?
Pro DJ Link sync is built for hardware CDJs. On the software side it syncs over Ableton Link today; further software integration is planned.
[FAQ.13]
What's inside?
It runs on a Teensy 4.1 — a dedicated onboard ARM Cortex-M7 microcontroller board — with a real-time processing layer, and a custom-built analog/digital output section for Eurorack use. Fully open-source and hacker-friendly.