Farzin Rezaei Email & Phone Number

Tehran, Iran

● Designed an inverter system that converts single-phase to three-phase power, supporting up to 2HP. Implemented advanced power electronics and microcontroller programming with RS485 and Modbus protocol for precise control and robust protection mechanisms.● Developed a real-time industrial gas monitoring and logging system with integrated sensors and user-friendly data visualization. Ensured continuous monitoring and immediate alerts through reliable embedded systems.● Created a methane gas detector for fire alarm integration, offering quick response and robust calibration. Enhanced safety in industrial and residential settings with sensitive detection technology.Developed a tea maker board automating temperature and brewing time control, with an integrated user interface. Enhanced user experience through notifications and customizable settings.● Engineered a soil resistivity measurement system incorporating a graphical LCD for detailed visual data logging and an innovative battery management technology, extending battery life by approximately 40%. Implemented Wi-Fi for data transmission, supplanting the traditional serial port, to facilitate efficient real-time processing and remote monitoring.● Ultrasonic Power Board● Kinetic Clock● BLE in ESP32 for IoT Project

Tehran, Iran

● Redesign the code of the Customer Info Panel (POS) to achieve fast OTA on the GPRS network, testing confirmed a 50% reduction in OTA time.● Engineered a sophisticated control system for a combi oven utilizing STM32F4XX, integrating a PID controller and the Mateo system; achieved precise humidity control at high-temperature situations, enhancing cooking efficiency for over 20 recipes.● Designed a modular Car Side Mirror system that integrates with existing mirrors, eliminating the need for replacements. Utilized current sampling from mirror motors for precise position detection, reducing product line change costs and enhancing system efficiency.

Tehran, Iran

● Developed a Dust Purifier-Lamp using ESP32 with TCP/IP protocol for smartphone connectivity. Addressed and resolved debugging issues, and redesigned the PCB to meet CE standards, ensuring enhanced reliability and regulatory compliance.● Designed a data-logger utilizing DMA and ring buffer techniques to simultaneously save data from five serial ports to an SD card, effectively minimizing data loss and ensuring reliable data acquisition.

Tehran Province, Iran

● Develop a modular board for a plastic injection machine, enhancing repairability and maintenance efficiency. The modular design allows for easier component replacement and system upgrades, improving overall serviceability.● Upgrade the Smart Electronic Tourniquet by replacing the 7-inch LCD and implementing PWM DC motor control with a PID system. These enhancements improved the system's speed and reliability.● Enhanced the N-Type Autoclave by using an I2C temperature IC for higher precision temperature measurement, replacing the traditional NTC thermistor. Switched from SSR to on-board TRIAC for temperature control, effectively reducing overall costs while maintaining accuracy and reliability.● No-frost and defrost Thermostat and motor control for Philver refrigerator (circuit & PCB design/ c code)● Use ESP8266 for IoT project with web app and web server mode (circuit & PCB design/ c code)● Remote and receiver board for IRAN-KHODRO Pegout-405 company (circuit & PCB design/ c code)● Automatic tester for remote and receiver board for IRAN KHODRO Pegout-405 company ● Glass lifting board for Saipa company (circuit & PCB design/ c code)● Analog Welding machine

Tehran Province, Iran

Performing various projects such as: - Smart power for IVR system - Motion detector for air conditioner - Usb hub and development boards for thin-client