
Firmware · An electric vehicle charging network operator
EV Charging Station Controller
Designed the embedded controller firmware and safety systems coordinating charge sessions across 1,200+ charging stations.
The challenge
The client's first-generation controller firmware couldn't handle the station count they'd committed to under a new contract, and hardware faults were going undetected for hours.
Our approach
- Rebuilt the controller firmware for reliable session management under load
- Added real-time station health monitoring with automated fault alerts
- Designed ground-fault and thermal safety interlocks into the control firmware
The results
- Scaled from 300 to 1,200+ stations without a hardware redesign
- Station fault detection time dropped from hours to under a minute
- Zero safety incidents across the fleet post-deployment
Industry: Energy & Utilities
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