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Ultra-macro photograph of a custom ESP32 printed circuit board with cinematic studio lighting

< Industrial Embedded Systems />

Industrial-Grade ESP32 Hardware & Firmware Engineering.

We architect, prototype, and manufacture custom PCBs and write rock-solid embedded firmware for Industrial IoT, Smart Automation, and Agri-Tech. From bare-metal code to cloud dashboards, we bring your physical products to life.

Trusted by hardware innovators across the US, UK, EU, and Australia. ★ 5.0/5.0 rating across 60+ B2B engineering projects.

AWS IoT logoAWS IoT
Altium Designer logoAltium Designer
Espressif logoEspressif
FreeRTOS logoFreeRTOS
KiCAD logoKiCAD
MQTT logoMQTT
Modbus logoModbus
LoRaWAN logoLoRaWAN
JLCPCB logoJLCPCB
Grafana logoGrafana
InfluxDB logoInfluxDB
Docker logoDocker
AWS IoT logoAWS IoT
Altium Designer logoAltium Designer
Espressif logoEspressif
FreeRTOS logoFreeRTOS
KiCAD logoKiCAD
MQTT logoMQTT
Modbus logoModbus
LoRaWAN logoLoRaWAN
JLCPCB logoJLCPCB
Grafana logoGrafana
InfluxDB logoInfluxDB
Docker logoDocker

What We Do

Core Competencies

Custom PCB Design

High-precision, multi-layer PCB routing optimized for industrial environments. We ensure EMI/EMC compliance, robust power management, and scalable BOMs for mass manufacturing.

AltiumKiCADDFMEMI/EMC

Embedded Firmware

Bulletproof firmware engineered for absolute reliability. We specialize in ESP-IDF, FreeRTOS, secure OTA updates, and low-power sleep state optimization.

ESP-IDFC/C++FreeRTOSOTA

Industrial IoT Integration

Connecting the physical to the cloud. Seamless integration with RS485, Modbus, CAN bus, LoRaWAN, and MQTT protocols to AWS IoT or custom web dashboards.

ModbusMQTTAWS IoTLoRaWAN
GizanTech engineer testing a custom ESP32 PCB with precision instruments in the Dhaka engineering lab

Why GizanTech?

Software is cheap. Hardware is unforgiving.

In an era where AI can write basic web apps in seconds, physical engineering remains a profound challenge. AI cannot solder a prototype, debug a noisy RS485 communication line, or test a soil sensor in the field.

At GizanTech, we are physical engineers first. We build the tangible hardware that your software needs to interact with the real world.

Ready to build something extraordinary?

Tell us about your project requirements. An engineer—not a salesperson—will review your specs and reply within 24 hours.