Technical Specifications

    • Led matrices, each panel is 78x78 pixels.

    • Bosch SCD40 CO2, temperature and humidity sensor.

    • 5V 3A USB-C power + data.

    • ESP32-S3 N8R8 WiFi module.

    • Light sensor for brightness control.

    • Rotation sensor for auto-rotation.

    • All LED panels are recycled from commercial projects.

    • Controller is manufactured in China.

    • Frame, diffuser etc are all sourced from UK.

    • Some of the components are 3d printed in-house.

  • The physical design, hardware and the software is all open-source and released on github. If you are a developer, why not shake things up and see if you can make it better?

System Overview

Technical diagram of an electronic device showing circuit boards, a secondary display, and connectors for assembly or repair.

Environmental Sensors

Livegrid uses laboratory-grade sensors to provide accurate, reliable environmental monitoring

CO2 Sensor

Model Sensirion SCD40

Type Photoacoustic NDIR (Non-Dispersive Infrared)

Range 400-2,000 ppm

Accuracy (40 ppm + 5% of reading)

Calibration Automatic self-calibration

Temperature Sensor

Model Sensirion SCD40

Range -10°C to 60°C (14°F to 140°F)

Accuracy 0.2°C

Humidity Sensor

Model Sensirion SCD40

Range 0-100% RH

Accuracy 1.8%

Design & Finishes

Frameless version

Frameless Livegrid Front View 
250mm x 250mm x 25mm
Frameless Livegrid Back view
Side view of a circuit board with electronic components, metallic bolts, and a transparent support panel.

Framed version

265mm x 265mm x 35/40mm
A black chalkboard with a light wooden frame.
A vertical wooden board with electronic components and connectors mounted on it, including two magnets and a switch.
A DIY electronic project inside a wooden framed enclosure with a transparent cover, displaying a circuit board and wiring, and text 'Livegrid.tech' illuminated.
frameBlackFront.png
frameWhiteFront.png

Connectivity & Integration

Wireless Connectivity:

WiFi: 2.4GHz 802.11 b/g/n

Range : Typical home WiFi range

Security : WPA2/WPA3 encryption

Setup : Simple app-based configuration

Integration Options :

Home Assistant : Native integration via MQTT

MQTT : Standard protocol for IoT integration

HTTP API : RESTful API for custom applications

Local Control : Functions without cloud dependency

Installation Steps:

1. Unbox your Livegrid

2. Connect the USB-C power cable

3. Download the companion app

4. Follow the in-app setup instructions

5. Place in your desired location