Robotics & Automation graduate specialized in architecting intelligent autonomous mobile robots, real-time embedded firmware (FreeRTOS / Bare-Metal C++), industrial sensor fusion automation, and resilient wireless IoT telemetry. Showcasing 17 fully documented engineering repositories.
Bridging physical mechanics, real-time microkernel firmware, and autonomous robotics software.
Design, kinematic simulation, and fabrication of differential drive surveillance rovers and multi-joint bipedal walking mechanisms with synchronized gait trajectories.
Developing reliable bare-metal and FreeRTOS firmware in C/C++ for ESP32, PIC16F877A, and AVR microcontrollers with hardware timer PWM, interrupts, and power management.
Designing multi-sensor automated classification machinery combining stepper motor carousel indexing, inductive proximity sensors, and servo rejection sorting flaps.
Deploying cloud-connected microcontroller nodes with Blynk 2.0 IoT apps, asynchronous embedded HTTP web servers, and real-time sensor datastreams over WiFi.
17 physical embedded systems, autonomous robotics rovers, and firmware repositories built and maintained on GitHub.
Long-range tele-operated reconnaissance vehicle featuring real-time wireless video transmission, hazardous combustible gas leak detection, and inductive metal proximity sensing for dangerous environments.
Closed-loop industrial waste classification station utilizing precision NEMA 17 stepper carousel indexing, inductive metal detection, infrared drop verification, and high-speed servo diversion flaps.
Six-DOF humanoid bipedal walking robot featuring closed-form 2D Inverse Kinematics, PCA9685 16-channel PWM servo drive over 400kHz I2C, and real-time Web Control Studio on FreeRTOS.
High-security embedded hardware access validator powered by Microchip PIC16F877A, featuring 125kHz RFID card reader, internal EEPROM credential whitelist, 16x2 LCD status, and electronic strike relay.
Real-time tri-axial seismic acceleration detection system with analog noise filtering, dynamic baseline calibration, acoustic alarm triggering, and OLED vector magnitude telemetry.
Automated weather-responsive protective shutter system utilizing FC-37 precipitation sensor, software hysteresis debounce filter, and precision SG90 servo angle actuation.
Embedded asynchronous HTTP web server hosted directly on ESP microcontrollers delivering an interactive browser slider UI for multi-angle servo motor telemetry and PWM calibration.
Cloud IoT actuator framework connecting ESP32 to Blynk 2.0 Cloud Platform, featuring bidirectional Virtual Pin telemetry, auto-reconnection state machines, and angle telemetry sync.
Directional room occupancy tracking station utilizing dual ultrasonic/infrared sensors, state-machine sequence discrimination for entry and exit events, and live OLED capacity telemetry.
Automated municipal waste sorting station utilizing soil hygrometer conductivity sensing to classify organic wet waste versus recyclable dry waste, with ultrasonic bin capacity telemetry.
Advanced 24GHz FMCW millimeter-wave radar monitoring station utilizing Hi-Link HLK-LD2410C to detect microscopic chest movements (breathing, sedentary presence) across 8 range gates up to 6 meters.
High-precision stepper motor positioning firmware implementing sub-degree angle mapping, linear frequency acceleration ramps, and serial CLI angle commands with 1/16 microstepping.
Industrial dual-parameter telemetry station measuring pipeline volumetric liquid flow rate and structural pipe angular deviation using hardware interrupt counters and tilt switches.
Optical photoplethysmography (PPG) pulse oximeter computing Heart Rate (BPM) and blood oxygen saturation (SpO2) using dual Red (660nm) and Infrared (880nm) LEDs with live OLED waveform display.
Non-blocking servo angle interpolation firmware implementing adjustable angular velocity control and smooth cubic S-curve easing to prevent mechanical backlash and jitter in robotic joints.
Comprehensive firmware architecture laboratory containing production-ready low-level peripheral drivers, FreeRTOS queue pipelines, task pinning, and non-volatile storage (NVS) implementations on ESP32.
Automated developer conversation synchronization engine maintaining version-controlled AI pair-programming repositories and session archives with automated JSONL parsing and Git synchronization.
Comprehensive breakdown of hardware microcontrollers, low-level firmware, robotics stacks, and toolchains.
Chronological progression of embedded research, physical robotics development, and industrial prototypes.
Engineered 6-DOF bipedal robot with PCA9685 PWM drive, closed-form 2D Inverse Kinematics, quintic zero-jerk trajectories, and Web Studio.
Designed automated material sorting station integrating NEMA 17 stepper carousel indexing, inductive metal detection, and servo sorting flaps.
Integrated FMCW 24GHz radar with ESP32 high-speed UART to detect sedentary respiration, micro-motions, and multi-gate spatial presence.
Designed embedded hardware lock validation utilizing RFID 125kHz readers, 16x2 parallel LCDs, and modular ESP-IDF firmware architectures.
Connect directly for technical inquiries, embedded systems discussions, and hardware architecture.
alwintr2003@gmail.com
Direct communication for technical inquiries, firmware architecture, and hardware validation.
linkedin.com/in/alwintr
Connect for professional networking, technical discussions, and robotics industry insights.
github.com/ALWINTR
Explore all 17 public engineering repositories with circuit schematics, BOMs, and firmware source code.
17 Open Repositories
All 17 repositories include production schematics, hardware bill of materials, circuit pinouts, and test routines.