Case Study: LoRa & WiFi Enabled DMX LED Recorder & Player
This case study explores the development of a cutting-edge 8-Channel High Precision Current Measurement Instrument starting from scratch, designed to meet the exacting demands of modern energy efficient devices.
Key Highlights
Custom LED Pattern Recorder & Player
Integration with Resolume Arena for Pattern Generation
5 - 12 V & 200 mA operated
Additional Relay & PWM Output
WiFi & LoRa connectivity for operations
SD Card Support for Pattern storage & Replay
| Engibrains’ Contribution
Segments We Worked On
Hardware
- PCB layer : 2 layer
- PCB Size: 85 mm X 35 mm
- 100+ Electronic Components
- Schematic & Layout design
- BOM Optimization
- Proto development & Bring-up
- Test jig development
Firmware
- Application firmware
- PC based Dashboard for device registration & Synchronize control
- Power optimization
- SD Card support for the storage of pre-recorded LED pattern
Pre-compliance & QA
- 200+ Test Cases identified
- Automated Test-suite
- Functional & Regression testing for periodic release
- Battery power consumption testing
- Bug filing and report generation
Production
- Prototype batch
- Field trial batch
- 500 unit Production batch
- Automated Testjig application
- Automated testing of 500 units
- Report generation & failure analysis
| Technologies Used
Our Tech Stack will reduce your risk
HW Tools
- Schematic Design (Altium)
- PCB Layout design (Altium)
Language & Tool
- C
- Python
- tkinter
- Eclips
- Pycharm
- Git
- Atlassian Jira
IF/Connectivity
- LoRa
- WiFi
- SD Card
- LED
QA Tools
- Digital Oscilloscope
- High-end DMM
- Hot Air Rework Station
- Thermal Camera
- Digital Microscope