System Overview
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.
Sourcing
- 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.
Open-source
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?
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
250mm x 250mm x 25mm
Framed version
265mm x 265mm x 35/40mm
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