Syed Muhammad Shakaib N.

Need an ESP32/STM32 PCB design, embedded firmware, or a working prototype? I take IoT and industrial device ideas from concept to tested hardware, firmware, and manufacturing-ready files. I build embedded systems that combine custom hardware, firmware, industrial communication, IoT connectivity, and HMI displays—from schematic and PCB layout through firmware development, hardware bring-up, and manufacturing-ready documentation. I help startups, product teams, and industrial clients develop and troubleshoot ESP32, ESP32-S3, STM32, Arduino, and ATSAM-based devices for IoT, automation, monitoring, control, and connected products. CORE SERVICES • PCB Design & Hardware Design - Schematic capture, circuit design, component selection, and PCB layout - 2-layer and multilayer PCB Design for embedded, IoT, sensor, control, and industrial devices - KiCad, Altium Designer, and EasyEDA - Gerber files, drill files, BOM, pick-and-place/CPL files, assembly drawings, and 3D exports - DFM-focused PCB review, design updates, footprint checks, and manufacturing preparation - Power supplies, sensors, relays, displays, communication interfaces, and MCU integration • ESP32 & STM32 Firmware Development - ESP32, ESP32-S3, STM32, Arduino, and ATSAM firmware in Embedded C/C++ - ESP-IDF, FreeRTOS, STM32CubeIDE, peripheral drivers, boot/debug support - GPIO, ADC, PWM, DMA, timers, interrupts, watchdogs, NVS, and low-power features - Sensor and actuator integration for custom embedded products - Firmware modification, bug fixing, hardware validation, and production bring-up • Industrial Communication & IoT Development - Modbus RTU, Modbus TCP, RS-485, CAN, UART, SPI, I2C, and Ethernet integration - MQTT, HTTP/REST APIs, Wi-Fi, BLE/Bluetooth Low Energy, and cloud-connected devices - AWS IoT Core, Azure IoT Hub, OTA firmware updates, telemetry, dashboards, and remote monitoring - Industrial automation, HVAC controls, energy monitoring, smart devices, and sensor networks • Embedded Displays & HMI - LVGL user interfaces for ESP32 and STM32 - LCD, TFT, OLED, RGB displays, touch panels, relay control screens, and real-time dashboards - Hardware/firmware integration for display, touch, sensors, and connected controls I can also help when you already have a board or prototype that is not working correctly: • PCB Design review and schematic review • ESP32/STM32 boot, power, flashing, communication, and peripheral issues • Modbus/RS-485/CAN troubleshooting • Display, touch, sensor, relay, Wi-Fi, BLE, MQTT, and firmware debugging • Design corrections before prototype respin or manufacturing Typical deliverables include clean source code, schematics, PCB layout, Gerbers, BOM, assembly files, setup notes, and clear technical documentation. Send your requirements, schematic, PCB files, firmware repository, or prototype issue. I will review the scope and recommend the most practical next step.