DEJA.js Server
Connects DEJA Apps to your DCC-EX CommandStation via USB.
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The modern throttle for DCC-EX
— and much more.
DEJA.js delivers a precise, organized control experience. Replace cluttered legacy interfaces with smooth interactions and an expandable hardware platform.
Quick Start
Ditch the manual. Get running in minutes.
Quick Start Video
We are putting the final polish on our getting started guide. Check back soon!
Coming Soon
Step 1
Sign Up & Pick a Plan
Create your free DEJA Cloud account in one click. Choose a plan — start free or try a paid tier for 14 days.
Step 2
Install
Run one command to install DEJA Server. Plug in your DCC-EX CommandStation via USB. You're connected.
Step 3
Run Trains
Open the Throttle app on any device. Take full control of your layout.
The DEJA.js Ecosystem
A growing suite of applications for complete layout management.
DEJA.js Throttle
Precise speed control. Easy consists. Function mapping. CV Programming.
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DEJA.js Cloud
Manage your roster, devices, turnouts, and effects securely.
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DEJA.js IO
Plug-and-play Arduino and Pico W code for layout expansion.
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DEJA.js Monitor
Live telemetry, events, and command traces.
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DEJA.js Tour
Guided presets to automate sequences on your layout.
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Engineered & Designed
1 Cleaner Control
Clear visual layout. Organized function maps. Fast CV programming access. Simple route triggers.
2 Built for DCC-EX
Designed specifically for DCC-EX. Modern hardware support. Direct targeting.
3 Grows With Your Layout
Arduino and Pico W integration. Expanding capabilities. Control beyond throttle.
4 Multi-Device First
Primary mobile experience with touch-first controls. Syncs everywhere via DEJA Cloud.
Mobile Throttle
Modern Architecture
Seamless integration from physical hardware to cloud services.
Visual Organization
Functional clarity through color. Assign distinctive markers to locomotives, sensors, and turnouts in DEJA Cloud. These assignments sync globally. Colors identify layout elements instantly across the Throttle and Monitor apps.
Hardware Expansion
Expand control beyond the throttle. Connect Arduino Mega and Pico W devices. Designate pins as inputs or outputs. Control lights, servos, and relays. DEJA.js Server detects and configures devices automatically.
💡Lights
🔊Sounds
⚡Relays
📡Sensors
🔧Servos
🚦Signals
🛤️Tracks
🔀Turnouts
⚙️Motors
🔌Arduino
📶Network
🔋Power