Services Provided:
The project included end-to-end firmware design, hardware improvement, and system-level testing to meet customer-specific reliability and scalability needs.
EV Logger Firmware Development
- Implemented a multi-protocol communication framework supporting CAN, Modbus RTU/TCP, and MQTT over GSM.
- Developed real-time data acquisition and calibration algorithms for precise measurement of electrical parameters.
- Integrated high-accuracy GPS module for real-time location tracking with ≤ 2.5 m precision.
- Designed event-based and scheduled data logging with customizable intervals.
- Implemented secure MQTT communication for cloud data transfer, and added SD card Storage for added backup logging and firmware update support via SD card.
Hardware Development
- Improve power supply design for stable GSM and GPS operations.
- Enhance analog sensing accuracy and signal conditioning circuit
- Integrated isolated CAN and RS485 interfaces for OEM flexibility.
- Optimized EMI/EMC performance for automotive-grade reliability.
Challenges Overcome:
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Managing simultaneous GSM data transmission and real-time data acquisition without packet loss.
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Maintaining accurate GPS tracking during GSM communication activity.
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Designing configurable firmware architecture for multiple OEM integration.
Technologies Used:
- GSM (MQTT Cloud Communication)
- CAN, Modbus RTU/TCP Protocols
- High-Precision GPS (2.5 m)
- SD Card Data Logging (FAT32)
- ARM Cortex-M Platform
- 12C, SPI, UART Interfaces
- Secure Cloud Communication Stack
Industry Tagline:
EV Telematics | Industrial IoT | GSM-Based Data Logging | MQTT Cloud Integration | GPS Tracking | CAN Modbus Communication
Electrobit Engineering Team
Our hardware, firmware and software engineers design embedded products for OEMs across the United States, from concept to production.
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