JUAN ESTEBAN GIRALDO AGUDELO

SKYBYTE | WSN System Implementation Implemented a low-cost Wireless Sensor Network (WSN) to monitor agricultural assets across large-scale areas. The system utilizes autonomous devices to transmit real-time data to a web platform with instant messaging alerts for agricultural managers. Main Responsibilities: • Entrepreneurship & RF: Led project development and deployed ultra-long-range RF networks. • Mechanical Design: Designed mechanical components in Solidworks. • Hardware: Microcontroller ESP32 MCUs (I2C, SPI, RS232). • IoT Stack: Developed web platforms using MQTT, MySQL, and specialized web protocols. KPI (Power Optimization): Reduced electrical consumption from 10µA to 3µA (70% reduction) through advanced electronic techniques, significantly extending node battery life.

R&D Hardware Engineer Responsible for designing, developing, and testing innovative hardware systems and components for the lithium-ion battery market. Main Responsibilities: • Design electronic schematics and circuits. • Develop and test hardware prototypes. • Collaborate with the software team to ensure hardware integration and functionality. • Evaluate electronic components and materials for application in new products. • Develop and execute test plans for hardware prototypes. • Create and maintain technical documentation for projects. KPI: Reduced PCB unit cost from €115 to €80 (30.4% reduction) while maintaining all technical specifications and performance features.

Hardware Engineer | FROSTBYTE Main Responsibilities: • PCB Design: Developed schematics and layouts using Autodesk Eagle. • Mechanical Design: Created enclosures and components in SolidWorks. • Programming: Developed firmware for ESP32 and digital systems. • IoT Platforms: Built web interfaces for real-time device monitoring. • Supervision: Ensured correct operation through hardware validation. KPI: Manufacturing Efficiency: Reduced overall production time by 20% by optimizing designs for SMD manufacturing and streamlining the assembly process.

University Teacher | Mechatronics & Electronics Main Responsibilities: • Taught advanced electronics & telemetry • Implemented hands-on workshops to bridge the gap between theory and hardware. • Guided projects from initial concept to physical prototyping. • Developed lab activities centered on solving common industrial problems. KPI Student Success: Facilitated a 60% success rate in converting complex theoretical designs into fully functional hardware prototypes

Hardware engineer at LOGSENT Company, where I am currently working create PCB designs and electronic prototypes and manufacturing process. Main Responsibilities: • Development of RF equipment (GSM, GPRS, GPS). • Design Schematics and PCB using software tools as Eagle-Altium. • Programming Wireless protocols Bluetooth, BLE, RFID, LORA and WIFI. • Assembly of electronic prototypes using micro SMD components. • Programming Microcontrollers in C, Analog and Digital devices. • Antenna design 2.4GHZ, 433MHZ, YAGY, GSM, and RFID. KPI Power Optimization: Engineered ultra-low power hardware achieving up to 1 year of battery life for RF-based remote monitoring devices.

Mechatronic Engineering combines the fundamentals of Mechanical, Electrical and Computer Science to develop autonomous systems. A Mechatronic Engineer designs smart machines and systems that are aware of their environment, and can processing information to make decisions.