Work

Case studies

What I built, the hard part, and how it turned out. Clients under NDA are shown by sector, not by name.

More topics (76)

AI Matching AI strategic advisor Air-Gapped Signing Analog Multiplexer Application Tracking ATECC608A Automation Automotive BLE CAN Closed-Loop PID Cross-channel automation Cryptographic Key Management DMA + CRC Dual-MCU Architecture EdTech Embedded C (HAL)Encoder Feedback Encrypted Comms EOD Robotics ESC/POS ESP32 Germany Grade Conversion (Bavarian)Hall Sensor Hardware Design Hardware Root of Trust HES HT5023 ICCIT 2024 (Best Technical Presentation)IEC 62053 (Class 0.5S)IEC 62056 Industrial Communication IoT KMS Live Product Live production product Made in Bangladesh Manufacturing Master–Slave Broadcast MDM Metrology Modbus RTU/TCP MQTT Multi-Channel Comms Multi-vendor Interoperability nextcampusai.com OLED Performance feedback loop Product Engineering QR / USB Transfer Real-Time RISC-V Rotary Encoder RS-485 SBUS / SIYI Secure Boot Sigma-Delta ADC Smart Energy Smart metering SPI Stepper / H-bridge Stepper Control STM32 (Cortex-M)STM32F4 STS STS Prepayment System Architecture TCP/IP Thermal Printer University Admissions USB VEE W5500 Ethernet WiFi XDC Network

P-02 Made in Bangladesh Proven prototype

Cybernetics Energy Meter: a prepaid smart meter developed in Bangladesh

Cybernetics Hi-Tech Solutions (Pvt) Ltd

A single-phase prepaid smart meter, re-engineered and developed in Bangladesh by the team I lead at Cybernetics, with our own DLMS/COSEM and STS firmware. It is heading into IEC type testing.

DLMS/COSEMSTS prepayment24-bit ADC energy measurementLatching relay

P-09 Delivered

Smart Meter Firmware — DLMS/COSEM

Utility sector · client under NDA

Standards-compliant metrology and multi-channel communication firmware for utility-grade smart electricity meters, built on the Hitrend HT5023 metrology MCU.

C++Embedded firmwareHardware integrationSimulation software

P-10 Utility-scale

Advanced Metering Infrastructure (AMI) Platform

Utility sector · client under NDA

System architecture for HES, MDM, STS-based prepayment, and multi-vendor meter interoperability — connecting utility-scale smart meters to billing and business systems.

DLMS/COSEMSTS prepayment24-bit ADC energy measurementLatching relay

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