A Glance, Instant Access

0.2s fast facial verification, zero-queue experience

Software-Hardware Integration · Complete Ecosystem · Dual Platform Options

Cloud-hosted for ease of use; on-premise deployment for programmable, autonomous control.

DejaOS

World’s First DejaOS Open Platform

Write business logic in JavaScript, running directly on embedded hardware. No firmware expertise needed — faster iteration, full control.

Explore DejaOS
DejaOS 嵌入式 JavaScript 运行平台

JS on Device

ES2020 JS runs on embedded hardware.

QuickJS Runtime

Lightweight JS engine built for MCUs.

LVGL Graphics

Custom UI screens deployed to device.

Full I/O

GPIO/UART/RS485/Wiegand programmable.

Native Connectivity

MQTT/HTTP/NTP built-in cloud link.

50K+ Faces

50K+ face templates per terminal, 300ms.

Live Demo

Experience DejaOS Interactive UI

A quick preview of what's possible with the DejaOS UI toolkit — just a sample, not the full picture.

💡 Tip: Click the sensor area, halo, or simulator at the bottom of the device to trigger interaction
FCV4905 Face Recognition Terminal
CoolCode Corp HQInternal Office Access
21:13:34
48
Recent Access Log
312
Passes
0
Alerts
Active

Face Recognition Active

Internal Office Access

Recent Access Log24°C

Recent Access Log

14:28Zhang Wei — EngineeringOK
14:25Li Na — MarketingOK
14:19Unknown VisitorDenied
or tap employee IC card

Biometric Scanning

Face scanning · Biometric comparison in progress

Authorization Successful

Match rating: 99.8%

👤 Ethan Walker
Employee / STAFF
R&D Department · Architect
GPIO relay activated: open

Identity Verification Failed

Face features not registered or no IC card authorization

FAILURE CORE CODE: ERR_0X4905
RESOLUTION: Align face or re-tap IC card
Gate remains locked

DejaOS Diagnostics

LVGL Version v8.3.11
Chassis Model FCV4905-PRO
Memory eMMC 32GB (OK)
SoC Temp 38.2°C (Normal)
IP Address 192.168.1.200
MAC 3a:4f:90:e5:cc:01

Step 1: Select Industry Scenario (Skins Presets)

Each scenario has a <strong>completely different functional UI layout</strong>, showcasing DejaOS software-hardware integration.

Enterprise
Corporate HQ
Fitness
Gym & Studio
Campus
School & University
Residence
Luxury Living
VIP Lounge
Premium Retail

Step 2: Run Physical Event Simulator

Simulate various access control events through software-hardware co-testing.

Step 3: DejaOS / LVGL Real-time Parameters (Customize)

Use the controls below to instantly change LVGL widget rendering on the FCV4905 screen.

Standby
Waiting for trigger
Scanning
Biometric comparison
Success
Relay unlocked
Failure
Gate remains locked
Settings
System diagnostics

行业专属门禁方案

为每个行业的独特挑战量身定制。100+ 技术人员随时为您定制。

健身空间 — 会员出入管理、无人值守运营、课程签到、员工排班,并通过会员 App 实现全生命周期管理。

健身空间

会员出入管理、无人值守运营、课程签到、员工排班,并通过会员 App 实现全生命周期管理。

公共交通 — 面向地铁与轨道交通的高速二维码识别,IP67 级防水,支持 -40°C 至 70°C 宽温工作。已部署于全国 60% 以上的地铁站点。

公共交通

面向地铁与轨道交通的高速二维码识别,IP67 级防水,支持 -40°C 至 70°C 宽温工作。已部署于全国 60% 以上的地铁站点。

智能储物柜 — 快递柜、信报箱、生鲜柜与换电柜——支持二维码、RFID 卡或手机 App 解锁。

智能储物柜

快递柜、信报箱、生鲜柜与换电柜——支持二维码、RFID 卡或手机 App 解锁。

Unmanned spaces enable self-service; conventional spaces ensure trusted access

01

Proprietary Machine Vision Algorithms

Graphical algorithms and the integrated management platform software are fully independently developed, with millisecond recognition and multi-modal authentication supporting QR code, face and NFC.

02

Integrated R&D and Manufacturing

Full in-house chain of access controllers, multi-function terminals, smart locks, face terminals and QR devices, with our own Suzhou plant ensuring delivery quality.

03

Cloud Platform Foundation

SaaS / PaaS / AIoT software platform with edge-cloud collaboration for unified personnel, device, permission and data management.

04

City-Scale Delivery

Integration and implementation experience in metro / campus / government-enterprise mega-projects, serving city-level clients such as Beijing Metro, Shanghai Metro and Tianjin Metro Line 10.

For Developers

Built on DejaOS Platform

The world's first JavaScript runtime purpose-built for embedded IoT devices. Customize device behavior, UI screens, and integrations — no firmware expertise needed. Your team writes JavaScript; DejaOS handles the rest.

50+
Hardware APIs
1-Click
Deploy
100%
JavaScript
DejaOS platform device array

Since 2018, CoolCode has continuously delivered battle-tested products and solutions across industries.

6+Industries ServedMedical / Campus / Enterprise / Government / Community / Transit
30+Flagship ProjectsBeijing Winter Olympics Health Code / Boao Forum / Tsinghua Campus
5,000+Guangzhou Intl. Health Shelter RoomsEndorsed by Academician Zhong Nanshan; worlds first contactless smart facility
50+Cities CoveredShenzhen / Shanghai / Beijing / Chengdu / Nanjing / Tianjin / Guiyang...
CEFCCRoHSISO 9001IP67
View Benchmark Cases →

Start Your Smart Access Solution

Tell us your scenario, scale and integration needs. A CoolCode engineer will reach out within 48 hours with selection and quotation advice.

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