E&TC STUDENT • BUILDER • CREATOR

Suyash Desai

Hi, I'm Suyash!! An Electronics & Telecommunication engineering student and a hobbyist who enjoys building things with electronics, robotics, and technology.

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EMBEDDED HARDWAREBuild 01 / 04

ESP32 Handheld Game Console

Custom perfboard gaming handheld powered by ESP32 with SPI display & physical controls.

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LAB SETUP & YOUTUBEBuild 02 / 04

Ideas by Suyash Studio & YouTube

Over 110+ engineering videos documenting robotics, IoT, and custom circuits.

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AUTONOMOUS ROBOTICSBuild 03 / 04

Autonomous 4WD Mobile Rover

4-wheel drive robotic platform equipped with smartphone gimbal vision & motor driver shield.

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RADIO TELEMETRYBuild 04 / 04

Long Range RF Transceiver Module

Custom wireless telemetry transmitter board designed for real-time sensor data link.

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HARDWARE & EMBEDDED BUILDS

Featured Projects

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IoT

Vehicle Accident Alert System Using ESP8266 & GPS

Road accidents can happen within seconds, and getting information about an accident quickly can make a huge difference. This project is a prototype of an IoT-based Vehicle Accident Alert System that monitors a vehicle's motion and orientation and sends an alert when it detects conditions that may indicate an accident. The system uses an MPU6050 accelerometer and gyroscope to monitor acceleration and vehicle tilt. A NEO-6M GPS module provides the vehicle's location and speed, while a NodeMCU ESP8266 processes the sensor data and connects the system to the internet through Wi-Fi. When a potential accident is detected, the system activates a buzzer and LED and sends an alert through Blynk, including available GPS coordinates, speed, pitch and roll. The Blynk dashboard can also be used for live monitoring. It is a pretty good problem-solving IoT project for beginner engineering students, because it combines sensors, embedded programming, GPS, wireless communication and a real-world safety application.

ESP32MQTT

Embedded Systems

How to Build an Interactive Robotic Arm using PIC Microcontroller?

Robotic arms are widely used in industrial automation, research, and educational projects. Building and controlling one is a great way to learn the fundamentals of embedded systems, motion control, and robotics. In this project, we will design and build a 4-degree-of-freedom (4-DOF) robotic arm controlled using potentiometers. Each joint of the arm is connected to a dedicated potentiometer, allowing its position to be adjusted directly for simple and responsive manual control. The project is based on the PIC16F17576 Curiosity Nano development board. Along the way, you'll learn how a microcontroller can control devices in real time using basic input (ADC) and output (GPIO) functions instead of dedicated PWM hardware and integrate everything on a custom-designed PCB. Whether you are getting started with embedded robotics or looking to understand the basics of real-time motion control, this robotic arm provides a practical platform for learning. It can also serve as a foundation for future additions such as a gripper, camera mount, or simple pick-and-place mechanism. In the process, you'll also gain hands-on experience with ADC-based sensing and real-time embedded control.

ESP32MQTT

Arduino & ESP32

Sign Language Converter Glove Using Arduino Nano & Flex Sensors

Communication is one of the most basic human needs. However, individuals who are unable to speak often face difficulties expressing their thoughts and daily needs to others. This project aims to bridge that gap by converting predefined hand gestures into audible voice messages. The user simply performs a hand gesture, and the glove speaks a corresponding sentence through a speaker. The system uses flex sensors mounted on a glove to detect finger bending. An Arduino Nano processes the sensor readings and triggers a DFPlayer Mini module to play pre-recorded voice messages stored on an SD card.

ESP32MQTT

Arduino & ESP32

DIY ESP32 Desktop Companion Robot

I wanted to build something that was more than just another ESP32 project. So I built a small Desktop Companion Robot that can move around, display animated eyes, react to touch, connect to Wi-Fi, and be controlled from a phone through a web dashboard. The robot is powered by an ESP32-C3 Mini and uses an SSD1306 OLED to display animated RoboEyes. It features multiple moods and expressions, touch interaction, Wi-Fi control, movement, sound feedback, and a built-in Pomodoro focus mode. Through the custom web dashboard, I can control the robot's movements, expressions, moods, and focus sessions directly from my phone. The robot can also react to user interaction, making it feel less like a simple electronics project and more like a tiny desktop companion with its own personality. The project combines embedded systems, robotics, IoT, electronics, programming, web development, and 3D design into one small desktop robot.

ESP32MQTT

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Projects List

60+ Innovative Tech Project Ideas: From Automation to Agriculture

Agriculture: 1. Soil Moisture-Based Plant Watering System 2. Automated Irrigation System 3. Plant Health Monitor (Combine LDR, DHT11, and moisture sensor) 4. Sun Tracking Solar Panels (can be used for agricultural applications to power irrigation systems) 5. Automated Water Dispenser (for plants) 6. Smart Greenhouse System (automatically adjusts temperature, humidity, and light for optimal plant growth) 7. Weed Detection System (using image processing and AI to detect and remove weeds automatically) 8. Crop Health Monitoring with Drones (using a drone to monitor crop health, detect diseases, or stress in plants) 9. Automated Seed Sowing System (automatically sows seeds based on soil conditions) 10. Pest Detection System (using sensors and cameras to detect pests and insects on crops) Home Automation & Security: 1. Motion-Activated Light 2. Smart Door Lock System using RFID 3. Gas Leak Detector 4. LPG Detector with Auto Cutoff 5. Clap Switch 6. Smart Dustbin 7. Alcohol Detector 8. Automatic Night Lamp 9. Password-Based Door Lock 10. Automatic Door Opening System Using IR Sensor 11. Laser Security Alarm System 12. Doorbell Automation 13. Theft Detection System 14. Voice-Activated Home Automation 15. Automatic Light Control Based on Room Occupancy 16. Automatic Temperature-Based Fan Control 17. Fingerprint Attendance System 18. IR-Based Visitor Counter 19. Energy Consumption Tracker: Use ACS712 for current measurement. 20. IoT-Enabled Energy-Saving System 21. Rain detector with wardrobe/cloths shelter 22. IoT Smart Dog Feeder Environmental Monitoring: 1. Temperature and Humidity Monitor 2. Soil Moisture-Based Plant Watering System 3. Fire Detector/Alarm using Flame Sensor 4. Rain Detection System 5. Soil Moisture Monitoring System 6. Air Quality Monitoring 7. Sun Tracking Solar Panels 8. Flood Detection System 9. Smart Health Band 10. IoT Fire Alarm System 11. Real-Time Earthquake Detection System 12. UV Light detection Health & Safety: 1. Fall Detection System 2. Blind Stick 3. Heart Rate Monitoring System 4. Anti-Sleep Alarm for Drivers 5. Health Monitor System with IoT 6. IoT-Based Fall Detection 7. Arduino-Based ECG Monitor 8. Arduino pulse rate monitor with IOT IoT & Smart Systems: 1. Smart Glasses for Blind People 2. Automated Irrigation System 3. Solar-Powered Water Pump System 4. Obstacle Detection System Using IR Sensor 5. RPM Meter Using IR Sensor 6. Automatic Street Light Control Using IR Sensor 7. Real-Time Face Detection and Tracking 8. Hand Motion Controlled Robotic Arm 9. Plant Health Monitor 10. Motion-Activated Fan 11. Motion-Based Wildlife Camera 12. GPS Vehicle Tracker Attendance & Reminder Systems: 1. RFID-Based Attendance System Using Arduino 2. Medicine Reminder using Arduino & RTC 3. Stress Monitor Measurement & Tracking: 1. Distance Measurement Device 2. Arduino Inclinometer 3. Digital Level Tool: o Display real-time angles of inclination or alignment for construction or engineering projects.

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Projects List

30 + ECE Mini Projects

1. Touch-Activated LED 2. Clap Switch 3. Light-Controlled Circuit 4. Moisture Sensor 5. Temperature Sensor 6. Automatic Night Lamp 7. Water Level Indicator 8. IR Obstacle Detector 9. Overvoltage Protection Circuit 10. Sound-Activated LED 11. Relay Driver Circuit 12. Simple Amplifier 13. LED Flasher 14. Fire Alarm 15. Rain Detector 16. Automatic Fan Controller 17. Automatic Street Light 18. Solar Charger Controller 19. Light Dimmer 20. Simple Audio Oscillator 21. Signal Booster 22. Metal Detector 23. Heat Sensor Alarm 24. Motor Driver Circuit 25. Laser Trip Alarm 26. Magnetic Field Detector 27. Capacitive Touch Switch 28. Tilt Sensor 29. Motion Detector 30. Vibrational Sensor Alarm

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Projects List

CORE ECE PROJECTS (POWER, SIGNALS & ELECTRONICS)

All projects are component-centric (not board-centric), built using transformers, MOSFETs, BJTs, inductors, op-amps, ICs, relays, LEDs, etc. ________________________________________ 🔋 POWER ELECTRONICS & CONVERTERS 1. Single Phase AC to DC Controlled Rectifier Controls output DC voltage using SCR firing angle. Components: Transformer, SCR, firing circuit. 2. DC–DC Buck Converter Using MOSFET Steps down DC voltage using PWM control. Components: MOSFET, inductor, diode, PWM IC. 3. Boost Converter for Renewable Applications Steps up low DC voltage efficiently. Components: MOSFET, inductor, diode, control IC. 4. Buck–Boost Converter with Feedback Control Provides regulated output above or below input voltage. Components: MOSFET, inductor, op-amp feedback. 5. Single Phase PWM Inverter Converts DC to AC using MOSFET H-bridge. Components: MOSFETs, gate driver, transformer. 6. SPWM Inverter Using IC 555 / Op-Amp Generates sinusoidal PWM for inverter control. Components: 555, op-amp, MOSFETs. 7. Zener Regulated Power Supply Maintains constant output voltage under load variation. Components: Transformer, rectifier, zener diode. 8. Linear Regulated Power Supply Using IC 78xx Provides stable DC voltage for electronics. Components: Transformer, IC regulator. 9. Switch Mode Power Supply (SMPS) Prototype High efficiency power conversion using switching. Components: MOSFET, transformer, controller IC. 10. Soft Start Circuit for Power Supplies Reduces inrush current during startup. Components: MOSFET, RC network. ________________________________________ 🔄 ELECTRICAL DRIVES & MOTOR CONTROL 11. DC Motor Speed Control Using MOSFET PWM Controls motor speed efficiently using duty cycle variation. Components: MOSFET, PWM generator. 12. H-Bridge Motor Driver Circuit Enables bidirectional motor control. Components: MOSFETs / BJTs, diodes. 13. Relay-Based Motor Direction Control Simple motor forward–reverse control. Components: Relays, transistors. 14. Stepper Motor Driver Using Transistors Controls stepper motor phase sequencing. Components: BJTs, diodes. 15. Induction Motor Starter with Protection Protects motor from overload and faults. Components: Relays, current sensors. ________________________________________ 📡 SIGNAL PROCESSING & ANALOG SYSTEMS 16. Active Low Pass Filter Using Op-Amps Removes high-frequency noise from signals. Components: Op-amp, resistors, capacitors. 17. Active High Pass Filter for Audio Signals Blocks low-frequency noise. Components: Op-amp RC network. 18. Band Pass Filter for Communication Signals Selects specific frequency band. Components: Op-amp, RC components. 19. Instrumentation Amplifier for Weak Signals Amplifies low-level sensor signals accurately. Components: Multiple op-amps. 20. Signal Attenuator & Amplifier Module Adjusts signal amplitude as required. Components: Op-amp, potentiometer. ________________________________________ 🔊 AUDIO & WAVEFORM GENERATION 21. Audio Power Amplifier Using IC 741 / LM386 Drives speaker with amplified audio. Components: Op-amp, speaker. 22. Tone Generator Using IC 555 Generates square wave audio tones. Components: 555 timer, RC network. 23. Function Generator (Sine, Square, Triangle) Generates multiple waveforms. Components: Op-amps, diodes. 24. Audio Mixer Circuit Using Op-Amps Mixes multiple audio inputs. Components: Op-amps, resistors. 25. VU Meter Using LEDs & Op-Amps Displays audio signal intensity visually. Components: Op-amp, LEDs. ________________________________________ 🔢 DIGITAL & LOGIC SYSTEMS 26. Digital Frequency Counter Measures frequency of input signal. Components: Counters, logic ICs. 27. PWM Generator Using IC 555 Generates adjustable duty cycle PWM. Components: 555 timer. 28. Digital Voltmeter Using ADC IC Displays voltage digitally. Components: ADC, display IC. 29. Logic Analyzer Prototype Analyzes digital signals. Components: Logic ICs, LEDs. 30. Relay Logic Control System Implements logic using relays. Components: Relays, switches. ________________________________________ 🔥 PROTECTION & INDUSTRIAL ELECTRONICS 31. Overvoltage Protection Circuit Disconnects load during voltage surge. Components: Op-amp, relay. 32. Overcurrent Protection Using Shunt & Op-Amp Detects abnormal current flow. Components: Shunt resistor, op-amp. 33. Earth Leakage Detection Circuit Detects leakage currents in power lines. Components: CT, op-amp. 34. Surge Protection Circuit Protects circuits from spikes. Components: MOV, TVS diode. 35. Short Circuit Protection Module Instantly cuts supply during fault. Components: MOSFET, sensing circuit. ________________________________________ 🔄 TRANSFORMERS & MAGNETICS 36. Transformer Health Monitoring Circuit Monitors temperature and load. Components: Transformer, sensors. 37. High-Frequency Transformer Design Study Analyzes transformer behavior at high frequency. Components: Ferrite core transformer. 38. Inductor Current Ripple Measurement Studies ripple current in converters. Components: Inductor, oscilloscope. 39. Power Factor Measurement Circuit Measures phase difference between voltage & current. Components: Op-amp, zero-cross detectors. 40. Power Factor Correction Circuit Improves power factor using capacitors. Components: Capacitors, inductors. ________________________________________ 🧠 CONTROL & FEEDBACK SYSTEMS 41. Closed Loop Voltage Control System Maintains output voltage using feedback. Components: Op-amp, power stage. 42. PID Controller Using Analog Circuits Implements control theory using op-amps. Components: Op-amps, RC networks. 43. Analog Servo Control System Controls position using feedback loop. Components: Op-amps, motor. 44. Phase Locked Loop (PLL) System Synchronizes output frequency with reference. Components: PLL IC. 45. Zero Crossing Detector Circuit Detects AC waveform zero crossing. Components: Op-amp comparator. ________________________________________ 💡 DISPLAY & INDICATION SYSTEMS 46. LED Driver Circuit Using Constant Current Source Ensures uniform LED brightness. Components: Op-amp, transistor. 47. High Power LED Driver Using Buck Converter Efficiently drives power LEDs. Components: MOSFET, inductor. 48. Seven Segment Display Driver Circuit Drives numerical display. Components: Decoder IC. 49. Relay Status Indication System Displays relay states visually. Components: LEDs, transistors. 50. Analog Panel Meter Interface Circuit Interfaces analog meters with modern circuits. Components: Op-amp, meter.

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Projects List

Raspberry Pi Based Projects (OpenCV ,Robotics , IoT etc.)

A: Computer Vision & Edge AI (12 Unique) These projects use the Raspberry Pi Camera and OpenCV/TensorFlow Lite for real-time analytics. 1. Drugged/Drowsy Eye Detection: Uses "Eye Aspect Ratio" (EAR) and "Lip Distance" to detect fatigue or impairment. 2. Automated Pothole Detection & GPS Logging: Mounted on a car to detect road damage and upload coordinates to a cloud map. 3. Visual Attendance with Anti-Spoofing: A facial recognition system that detects if a person is holding a photo/phone to the camera. 4. AI-Powered Sign Language Translator: Translates hand gestures (ISL/ASL) into text/speech in real-time. 5. Autonomous Lane Keeping & Traffic Sign Recognition: A scale model car that stays in lanes and stops at red lights/signs. 6. Real-Time Fire & Smoke Analytics: Uses CNNs to differentiate between actual fire and "fire-colored" objects to reduce false alarms. 7. Smart Mirror with Facial Emotion Recognition: Displays personalized data and detects the user's mood to recommend music. 8. Weapon Detection for Public Safety: Identifies knives or firearms in a video feed and triggers a silent alarm. 9. Social Distancing & Mask Compliance Monitor: Analytics for public spaces to count crowd density and detect mask usage. 10. Eye-Gaze Controlled Mouse for the Disabled: Uses iris tracking to move the cursor on a screen. 11. 3D Printed Fruit Quality Grader: Uses vision to sort fruits based on size, color, and surface defects. 12. Posture Correction Assistant: A desktop camera that alerts you when you are slouching while working. 13. Real-Time Face Detection System Uses camera feed to detect human faces using Haar cascades. 14. Face Recognition Based Attendance System Marks attendance automatically by recognizing registered faces. 15. Vehicle Number Plate Recognition System Extracts and reads license plates from images or video. 16. Motion Detection Surveillance System Detects movement in restricted areas using frame differencing. 17. Helmet Detection for Two-Wheeler Riders Identifies whether a rider is wearing a helmet from camera feed. 18. Driver Drowsiness Detection System Detects eye blink patterns to identify driver fatigue. B. Networking, Server & System Projects 1. Web-Based Home Automation Server Controls devices through a web interface. 2.Private Cloud Server Using Raspberry Pi Creates a personal cloud storage system. 3.IoT Data Dashboard Server Displays sensor data on a web dashboard. 4.VPN Server Using Raspberry Pi Provides secure remote access. 5.Web-Based Voting System Online voting platform (educational demo). Group C: Robotics & Industrial Automation (22 Unique) Projects involving mechanical design and autonomous movement. 1. 1. SLAM-Based Mapping & Navigation Robot: Uses LiDAR to create a digital floor plan of a room. 2. Vision-Guided 5-DOF Pick-and-Place Arm: Uses a camera to identify and sort objects into specific bins. 3. Warehouse Inventory Bot (RFID + Vision): Patrols aisles, reads RFID tags on boxes, and updates a database. 4. Autonomous Agricultural Weed Sprayer: Identifies weeds visually and sprays pesticide only on them. 5. Self-Balancing Surveillance Rover: A Segway-style robot with a 360° camera for security. 6. Telepresence Robot with VR Integration: Control a robot while wearing a VR headset to see through its "eyes." 7. Robotic Hand Mimicking with Sensor Gloves: Uses flex sensors on a glove to control a robotic hand remotely. 8. Solar-Powered Beach Cleaning Robot: Uses a sieve mechanism to collect plastic waste from sand. 9. Underwater RC Boat for Water Quality Mapping: Navigates a lake to create a heat map of pH and TDS levels. 10. Firefighting Robot with Thermal Navigation: Can "see" through smoke using a thermal sensor to find the fire source. 11. Swarm Robotics (Search & Rescue): Multiple small bots communicating to find a signal source in a disaster zone. 12. Autonomous Bridge/Track Crack Detection Bot: Travels along rails to detect structural fractures using vision. 13. Obstacle-Avoiding Robot with Depth Perception – Uses stereo/vision-based distance estimation. 14. Face-Following Robot – Tracks and follows a person using face detection. 15. Gesture-Controlled Robot – Controlled using hand gesture recognition. 16. Voice-Controlled Mobile Robot – Uses speech recognition for movement commands. 17. Autonomous Delivery Robot – Navigates predefined paths using vision and sensors. 18. Smart Security Rover – Detects intrusion and streams live video. 19. Border Patrol Robot (Simulation) – Patrols boundary and detects movement. 20. Vision-Based Firefighting Robot – Detects fire visually and activates extinguisher. 21. Object Sorting Robot Using Vision – Sorts objects based on color/shape. 22. Pick-and-Place Robot with Camera Guidance Group D: IoT, Smart Cities & Security Focusing on infrastructure, networking, and data security. Blockchain-Based Secure E-Voting Machine: Uses a Pi and a private blockchain to ensure votes cannot be deleted. Smart Energy Auditor with Bill Prediction: Monitors home loads and predicts the monthly bill using ML. Pi-Hole Network Firewall & Ad-Blocker: A hardware-level DNS sinkhole to protect all devices on a local Wi-Fi. LoRa Gateway for Smart Agriculture: Collects data from sensors 5km away and uploads it to a central dashboard. Smart Waste Bin with Level Sensing & Routing: Alerts garbage trucks only when the bin is 90% full to optimize fuel. Private Cloud Storage (NAS) with AES Encryption: A self-hosted Google Drive alternative for secure file storage. Intelligent Traffic Light Control (Vision-Based): Adjusts green light time based on the actual number of cars in the lane. Water Pollution Monitoring with Real-Time Web Dashboard: Logs pH, Turbidity, and Temperature 24/7. Smart Classroom Management System: Automates lights/AC and takes attendance via face recognition. Network Intrusion Detection System (IDS): Monitors network traffic and alerts the admin of "Man-in-the-Middle" attacks. Air Quality Index (AQI) Mapping Station: Uses MQ-135 and PM2.5 sensors to map pollution levels in a city. Smart Street Lighting with Motion & Ambient Light Sensing: Saves up to 40% energy by dimming lights when empty. GSM-Based Vehicle Tracking & Remote Engine Locking: Tracks a car and allows the owner to stop the engine via SMS. Secure USB "Sanitizer" Station: Scans suspicious USB drives for malware before they are allowed on a main PC. 3D Printing Failure Detection (Spaghetti Detection): A Pi-Cam that monitors a 3D printer and stops it if a print fails. Blockchain-Powered Supply Chain Tracker: Tracks a product from factory to customer using QR codes and the Pi. Hardware & Sensor Interface Projects 1. Interfacing Thermal Printer with Raspberry Pi 2. Controls a thermal printer to print text/images/barcodes via serial. 3. Interfacing 3.5” Touch Screen TFT LCD with Raspberry Pi 4. Adds touchscreen display support and GUI interaction. 5. Interfacing DS18B20 Temperature Sensor with Raspberry Pi 6. Reads waterproof digital temperature sensor via GPIO. 7. Controlling Raspberry Pi with Arduino via pyFirmata 8. Hybrid control where Pi commands an Arduino using Firmata protocol. 9. Voice Controlled Home Automation using Amazon Alexa 10. Integrates Alexa voice control with Raspberry Pi GPIO automation. 🎮 Fun & Practical Projects 14. Set Up a Minecraft Server on Raspberry Pi 15. Hosts a Minecraft game server player network. 16. Build a Retro Gaming Console with RetroPie Turns Raspberry Pi into a retro game emulator system.

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YOUTUBE CHANNEL & BUILD DEMOS

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Tutorial

How To Make A Bluetooth Jammer using ESP32 & NRF24L01

Just for educational purpose only!

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Tutorial

Valentine Robot

A Robot created for valentines day which expresses your feelings

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Hey, I'm Suyash.

An Electronics & Telecommunication engineering student, passionate builder, and hobbyist. I love turning ideas into reality and sharing the process with you.

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