The Ocular Vox Project - Animatronic skull with glowing blue eyes next to the controller board

Turn any Halloween skull into an animated life of the party. LCD eyes, audio-synced jaw, and SD card audio playback — all from one board.

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See It In Action
Watch the Ocular Vox come to life
Ocular Vox skull on stand with glowing blue LCD eyes

Expressive LCD Eyes

Two round GC9A01 LCD screens display smooth, animated eyes. Choose from 9 built-in eye styles or design your own custom eyes with our free online tool and load them from SD card.

Ocular Vox PCB controller board with OLED display

All-In-One Controller

Everything on a single board — dual-core processor, Hi-Fi DAC, servo driver, OLED menu display, rotary encoder, trigger input, and microSD slot. Configure everything on-board with no computer needed.

Inside view of skull showing servo mechanism and wiring

Audio-Synced Jaw

Real-time FFT analysis picks up vocal energy from your audio tracks and drives a servo to sync the jaw with speech. Adjustable open and close limits with a first-boot safety lockout keep your servo protected.

Features
Everything you need to bring your skull prop to life
👁

Dual LCD Eyes

Two round 240x240 GC9A01 LCDs render smooth animated eyes. Choose from 9 built-in styles or create your own custom eyes.

🔊

Hi-Fi Audio

44.1kHz 16-bit stereo playback via PCM5102A DAC. Load WAV files on a standard microSD card. Supports up to 32 triggered tracks plus ambient background loops.

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Jaw Sync

Real-time FFT analysis drives a servo to sync jaw movement with vocal energy. Adjustable open/close limits with first-boot safety lockout.

🎯

Trigger Input

Opto-isolated trigger input works with PIR sensors, push buttons, relay contacts, and prop controllers. Configurable cooldown from 5 to 120 seconds.

🎛

OLED Menu

On-board OLED display and rotary encoder for full configuration without a computer. Adjust volume, eye style, jaw limits, trigger mode, and more.

💾

SD Card Audio

FAT32 microSD up to 32GB. Organize your audio in simple folders. Sequential or random playback modes, plus ambient background loops.

Specs
Dual-Core
Processor
240x240
LCD Eyes (x2)
44.1kHz
Stereo Audio
Hi-Fi
DAC Audio Output
5-24V
Input Voltage
USB-C
Power & Updates
32GB
SD Card Support
9+
Built-in Eye Styles
Custom Eyes
Design your own eye textures with our free online tool
👁
Human
😈
Demon
🐍
Reptile
🤖
Robot
🦉
Owl
🐉
Dragon

Create custom eye textures online, download as .eye files, and drop them on your SD card.

Eye Creator Tool
Easy Setup
Plug in your SD card, power up, and go
SD Card folder layout diagram