Voice Enabled Home Automation Using Bluetooth with Raspberry Pi Pico

Raspberry Pi Pico Voice Controlled Home Automation | Bluetooth Module(HC-05) With Raspberry Pi Pico | HC-05 Bluetooth Interfacing with Raspberry Pi Pico | Voice Enabled Home Automation Using Bluetooth with Raspberry Pi Pico | how to make voice control home automation system | Voice Control Home Automation System | Voice Enabled Automation. *********************************************************** If You Want To Purchase the Full Working Project KIT Mail Us: svsembedded@gmail.com Title Name Along With You-Tube Video Link Project Changes also Made according to Student Requirements http://svsembedded.com/  https://www.svskits.in/ http://svsembedded.in/  http://www.svskit.com/ M1: +91 9491535690  M2: +91 7842358459 We Will Send Working Model Project KIT through DTDC / DHL / Blue Dart / First Flight Courier Service We Will Provide Project Soft Data through Google Drive 1. Project Abstract / Synopsis 2. Project Related Datasheets of Each Component 3. Project Sample Report / Documentation 4. Project Kit Circuit / Schematic Diagram 5. Project Kit Working Software Code 6. Project Related Software Compilers 7. Project Related Sample PPT’s 8. Project Kit Photos 9. Project Kit Working Video links Latest Projects with Year Wise YouTube video Links 135 Projects  https://svsembedded.com/ieee_2021.php 151 Projects  https://svsembedded.com/ieee_2020.php 103 Projects  https://svsembedded.com/ieee_2019.php 61 Projects  https://svsembedded.com/ieee_2018.php 171 Projects  https://svsembedded.com/ieee_2017.php 170 Projects  https://svsembedded.com/ieee_2016.php 67 Projects  https://svsembedded.com/ieee_2015.php 55 Projects  https://svsembedded.com/ieee_2014.php 43 Projects  https://svsembedded.com/ieee_2013.php 900+ Projects https://www.svskit.com/2022/02/900-pr... *********************************************************** 1. Driver Drowsiness Detection using Python | Obstacle Detection using Ultrasonic Sensor | Voice Alerts, 2. Raspberry Pi Pico Based Bus Identification System for Blind with Voice Alert in Bus Stops Using RFID, 3. Smoke & Gas Detector using MQ2 with Arduino Voice Alert TTS | Bluetooth TTS Android Mobile App Alert, 4. Raspberry Pi: Driver Drowsiness Detection with OpenCV and Python | Voice and Vibration Alerts, 5. Car-Safety : Speed, Distance, Drowsiness, Accident Detection, SMS + Voice Alert with GPS Coordinates, 6. Raspberry Pi Pico Based Hand Gesture Recognition with 3 flux Sensors and Voice Output, 7. Arduino Dual (Voice + Button) Control Pick and Place Bluetooth Robot Using Android App, 8. Blind Stick: Sensors [Water / Obstacle / Fire / LDR] with Voice Alerts | [Part - 2], 9. IVRS Based Home Automation with Immediate Voice & SMS , Feedback Using Arduino TTS - GSM SIM800L DTMF, 10. How to Make VOICE CONTROLLED Car by using ARDUINO, 11. voice based notice board using android and Arduino, 12. Voice Control Home Automation System Using Arduino, 13. GPS Based Voice Alert System for the Blind People using ARM7 LPC2148, 14. Magic glove( sign to voice conversion) using PIC16F877A with 4 flux Sensors, 15. Voice Controlled Home Automation System | How to make voice control home, 16. Smoke Detector using Arduino with MQ2 Sensor and Voice Alert (Text-to-Speech (TTS)), 17. Arduino based Text to Speech TTS Converter, 18. Voice Based Door Accessing & Devices on / off Control System, 19. Voice Recognition Based Wireless Home Automation System, 20. Blind Stick Using Ultrasonic Sensor with Voice Announcement, 21. Hand Talk Using Flex Sensor With Voice Output, 22. Voice Recognition Based Home Automation Using Zigbee, 23. GSM Based Interactive Voice Response System Through Mobile Commands, 24. Design of an Intelligent Voice Controlled Home Automation System Using IOT, 25. Voice Recognition Wireless Home Automation & Sensors Monitoring System Based On Bluetooth, 26. Android Based Home Automation System Using Bluetooth & Voice Command, 27. Voice Activated Home Automation Using Arduino (Bluetooth + Android), 28. Voice Controlled Real-time Wheel chair using Android smartphone, 29. Voice Controlled Robot using Arduino UNO through Bluetooth, 30. IoT Sanitization Robot with UV light and voice announcement using Raspberry pi 3, 31. Bus Identification System for blind with voice based on RFID, 32. Voice Controlling robot through Bluetooth, 33. Gesture Vocalizer using Flex Sensors and APR33A3 voice module, 34. Raspberry pi controlled Gestures and voice input based 4-Wheeled robot, 35. Voice Controlled Home Automation System, 36. Flex sensors based Device switcihng with voice alerts, 37. WiFi IOT Voice recognition based bulb/light dimmer, 38. Voice recognition based home automation with SMS Alerting, 39. Android based Voice controlled home with Raspberry Pi, 40. Android voice operated LED scrolling along with LED intensity controlling system, 41. voice operated pick and place robot,

IoT Traffic Light Control System with Blynk App and Raspberry Pi Pico

IOT Traffic Signal Monitoring & Controlling System Project | IOT Traffic Light Control System Using Raspberry Pi Pico with Blynk app | Raspberry Pi Pico with Blynk app | traffic light control system mini project pdf | smart traffic management system using iot ppt | smart traffic light control system using arduino | arduino based traffic light control system for emergency vehicles using radio frequency | smart traffic management system using iot pdf | intelligent traffic light control system project report | smart traffic control system using iot | smart-traffic management system using iot github. *********************************************************** If You Want To Purchase the Full Working Project KIT Mail Us: svsembedded@gmail.com Title Name Along With You-Tube Video Link Project Changes also Made according to Student Requirements http://svsembedded.com/  https://www.svskits.in/ http://svsembedded.in/  http://www.svskit.com/ M1: +91 9491535690  M2: +91 7842358459 We Will Send Working Model Project KIT through DTDC / DHL / Blue Dart / First Flight Courier Service We Will Provide Project Soft Data through Google Drive 1. Project Abstract / Synopsis 2. Project Related Datasheets of Each Component 3. Project Sample Report / Documentation 4. Project Kit Circuit / Schematic Diagram 5. Project Kit Working Software Code 6. Project Related Software Compilers 7. Project Related Sample PPT’s 8. Project Kit Photos 9. Project Kit Working Video links Latest Projects with Year Wise YouTube video Links 135 Projects  https://svsembedded.com/ieee_2021.php 151 Projects  https://svsembedded.com/ieee_2020.php 103 Projects  https://svsembedded.com/ieee_2019.php 61 Projects  https://svsembedded.com/ieee_2018.php 171 Projects  https://svsembedded.com/ieee_2017.php 170 Projects  https://svsembedded.com/ieee_2016.php 67 Projects  https://svsembedded.com/ieee_2015.php 55 Projects  https://svsembedded.com/ieee_2014.php 43 Projects  https://svsembedded.com/ieee_2013.php 900+ Projects https://www.svskit.com/2022/02/900-pr... *********************************************************** 1. An Intelligent Ambulance with Automatic Traffic Control, 2. analyse the concept of iot based smart traffic signal monitoring system using vehicles counts, 3. arduino based traffic light control system for emergency vehicles using radio frequency, 4. Arduino Based Traffic Light Control System for Emergency Vehicles Using Radio Frequency, 5. Arduino Traffic Light Controller | IoT Project | IoTDunia, 6. Arduino Traffic Light Controller Tutorial Using Tinkercad, 7. automatic vehicle counting for iot based smart traffic management system for indian urban settings, 8. Density Based 4 Way Automatic Traffic Signal Control System Using Arduino and IR Sensor, 9. density based traffic control system using arduino ppt, 10. density based traffic control system using iot, 11. density based traffic light control system project report, 12. density based traffic signal system using arduino uno, 13. density-based-traffic signal system using arduino and ir sensor github, 14. Development of an IoT based real-time traffic monitoring, 15. development of iot device for traffic management system, 16. How to make Traffic Light Control System using Arduino | Arduino based 4 Way Traffic Signal Control, 17. Intelligent Traffic Control Signal using Raspberry Pi 3 and Ultrasonic Sensor, 18. Intelligent traffic light control system for emergency vehicles, 19. IoT Based Food Spoilage Detection System using Arduino, 20. iot based intelligent traffic management system, 21. iot based intelligent traffic management system ieee papers, 22. iot based intelligent traffic signal system for emergency, 23. iot based intelligent traffic signal system for emergency vehicles, 24. IOT based Smart Traffic Light Control System, 25. IOT based Smart Traffic Light Control System – ResearchGate, 26. IoT Based Smart Traffic Signal Monitoring System, 27. iot based traffic control system, 28. IOT Based Traffic Light Controller in Smart City, 29. IoT Based Traffic Management System, 30. iot based traffic management system pdf, 31. iot based traffic management system ppt, 32. iot based traffic management system using arduino, 33. iot based traffic management system using raspberry pi, 34. iot based traffic prediction and traffic signal control system for smart city, 35. iot based wireless controlled smart transportation system, 36. IoT Based: Smart Traffic Light Controller, 37. IoT Based: Smart Traffic Light Controller - Journal of Student , 38. iot traffic light, 39. IOT Traffic Signal Monitoring & Controller System, 40. IOT Traffic Signal Monitoring & Controlling System Project, 41. iot traffic signal monitoring controller system, 42. iot traffic signal monitoring controller system code, 43. list of smart cities in india, 44. objective of smart traffic management system,

Intelligent Smart Zone Based Vehicle Speed Control System Using Arduino ...

Intelligent Smart Zone Based Vehicle Speed Control System Using Arduino, RF, PWM [Schools / Colleges/ Open Parks] | Automatic Vehicle Speed Control System In A Restricted Zone | Vehicle Speed Control System Using RF | RF 433MHz Transmitter/Receiver Module With Arduino | How 433MHz RF Tx-Rx Modules Work & Interface with Arduino | Arduino and RF Transmitter Receiver Module - Electronics *********************************************************** If You Want To Purchase the Full Working Project KIT Mail Us: svsembedded@gmail.com Title Name Along With You-Tube Video Link Project Changes also Made according to Student Requirements http://svsembedded.com/  https://www.svskits.in/ http://svsembedded.in/  http://www.svskit.com/ M1: +91 9491535690  M2: +91 7842358459 We Will Send Working Model Project KIT through DTDC / DHL / Blue Dart / First Flight Courier Service We Will Provide Project Soft Data through Google Drive 1. Project Abstract / Synopsis 2. Project Related Datasheets of Each Component 3. Project Sample Report / Documentation 4. Project Kit Circuit / Schematic Diagram 5. Project Kit Working Software Code 6. Project Related Software Compilers 7. Project Related Sample PPT’s 8. Project Kit Photos 9. Project Kit Working Video links Latest Projects with Year Wise YouTube video Links 135 Projects  https://svsembedded.com/ieee_2021.php 151 Projects  https://svsembedded.com/ieee_2020.php 103 Projects  https://svsembedded.com/ieee_2019.php 61 Projects  https://svsembedded.com/ieee_2018.php 171 Projects  https://svsembedded.com/ieee_2017.php 170 Projects  https://svsembedded.com/ieee_2016.php 67 Projects  https://svsembedded.com/ieee_2015.php 55 Projects  https://svsembedded.com/ieee_2014.php 43 Projects  https://svsembedded.com/ieee_2013.php 900+ Projects https://www.svskit.com/2022/02/900-pr... *********************************************************** 1. Vehicle Speed Limit Controller | ARDUINO Based Automatic Speed Control System in Speed Limited Areas, 2. Automatic Speed Control and Accident Avoidance of Vehicle Using Multi Sensors, 3. Vehicle Speed Limit Controller Project, 4. Infrared ray sensor based Vehicle Speed checker and over speed detector, 5. Vehicle Speed Limit Controller Atmega Microcontroller Based Project Electronics, 6. FABRICATION ON VEHICLE OVER SPEED CONTROL SYSTEM IN SCHOOL ZONE, 7. fabrication on vehicle over speed control system, 8. Implementation of a Speed Control and Accident Avoidance Of vehicle using Multi Sensors with Arduino, 9. Accident Avoidance and Detection on Highways, 10. ARDUINO based Speed Control System in Speed Limited Areas|Demonstrated on Vehicle|RF, 11. Automated watering with Solenoid valve by Arduino | Soil Moisture Sensor | Smart Irrigation, 12. OTP Based Ration Distribution System Using RFID and GSM, 13. Industrial Air Pollution Monitoring System using LabVIEW and Zigbee, 14. A Unique Home Automation System through MEMS Based Appliance Control, 15. War Field Spying Robot with Night Vision Wireless Camera | ZIGBEE | GSM | V380 | METAL | ARM7LPC2148, 16. MSP430 Based Women Safety Security System using GSM and GPS, 17. ESP8266 WiFi Control with Android App, 18. Bidirectional Visitor Counter with Multiple Bulbs using Arduino, 19. IOT Based Garbage Level Monitoring Over Internet using NodeMCU - ESP8266 & ThingSpeak Cloud, 20. Automatic Water Level Controller with Message Alerts using GSM and Arduino, 21. GSM and Telegram Based Smart Irrigation with Solar Panel | Arduino | ESP32, 22. IOT Based Saline Bottle Level Monitoring System | Live Tracking of Smart Saline Monitoring using IOT, 23. Manual / Automatic Turn ON & OFF Water Pump Using Cellphone Missed Calls and Arduino, 24. Greenhouse Remote Farm Field Monitoring System using ARM7, ZIGBEE, GSM and LabVIEW, 25. IOT Based Smart Farming Crop Protection System From Animals Using ARDUINO & GSM, 26. IOT and Cloud Server Based Wearable Agricultural Sensors Monitoring System, 27. Smart Saline Level Monitoring System Using Load Cell Sensor and GSM - SMS Alert, 28. RASPBERRY PI WATER QUALITY MONITORING SYSTEM WITH SENSORS | IOT | PYTHON, 29. ESP32 CAM Surveillance Car | SPY Camera Car | Send Captured Image to Telegram | GPS | GSM -SMS Alert, 30. Automated Attendance System Using Arduino + Fingerprint + RFID + GSM with SMS Notification, 31. Vehicle Accident Prevention and Reporting System using GPS and GSM and ALCOHOL Sensors, 32. Zigbee Based Wireless Biometric Finger Print Electronic Voting System Project using Arduino, 33. Smart Agriculture Using Internet of Things with Raspberry Pi | Python, 34. IoT Based Patient Health Monitoring System using Raspberry Pi 3 | Python, 35. Call and Message using Arduino and Smart Wrist Band For Women Safety Using GSM GPS, 36. Raspberry Pi Based Automatic Engine Locking System for Drunken Drivers,

Raspberry Pi Pico Based Smart Shopping Trolley with Automatic Billing Sy...

DIY Smart Auto Billing Shopping Trolley Using Arduino Automated Shopping Cart with Add/Delete ITEMS | DIY Wireless Smart Trolley Using RFID and ZIGBEE with Raspberry Pi Pico Add/Delete ITEMS | Arduino Shopping Cart with Add/Delete ITEMS | Smart Shopping Cart with Automatic Billing System Through RFID and ZIGBEE with Add/Delete ITEMS | Raspberry Pi Pico – Smart Shopping Cart with Automatic Billing System Through RFID and ZIGBEE with Add/Delete ITEMS PC Using HyperTerminal Display. *********************************************************** If You Want To Purchase the Full Working Project KIT Mail Us: svsembedded@gmail.com Title Name Along With You-Tube Video Link Project Changes also Made according to Student Requirements http://svsembedded.com/  https://www.svskits.in/ http://svsembedded.in/  http://www.svskit.com/ M1: +91 9491535690  M2: +91 7842358459 We Will Send Working Model Project KIT through DTDC / DHL / Blue Dart / First Flight Courier Service We Will Provide Project Soft Data through Google Drive 1. Project Abstract / Synopsis 2. Project Related Datasheets of Each Component 3. Project Sample Report / Documentation 4. Project Kit Circuit / Schematic Diagram 5. Project Kit Working Software Code 6. Project Related Software Compilers 7. Project Related Sample PPT’s 8. Project Kit Photos 9. Project Kit Working Video links Latest Projects with Year Wise YouTube video Links 135 Projects  https://svsembedded.com/ieee_2021.php 151 Projects  https://svsembedded.com/ieee_2020.php 103 Projects  https://svsembedded.com/ieee_2019.php 61 Projects  https://svsembedded.com/ieee_2018.php 171 Projects  https://svsembedded.com/ieee_2017.php 170 Projects  https://svsembedded.com/ieee_2016.php 67 Projects  https://svsembedded.com/ieee_2015.php 55 Projects  https://svsembedded.com/ieee_2014.php 43 Projects  https://svsembedded.com/ieee_2013.php 900+ Projects https://www.svskit.com/2022/02/900-pr... *********************************************************** 1. Smart Trolley System for Automated Billing using RFID and IoT, 2. IoT based Smart Shopping Cart using RFID and NodeMCU, 3. RFID Based Smart Trolley Using IOT, 4. SMART TROLLEY BILLING SYSTEM, 5. Smart Shopping Trolley Using RFID Based on IoT, 6. Iot Application Based Advanced Shopping Trolley, 7. SMART SHOPPING TROLLEY USING RFID, 8. Smart Shopping Trolley with Automated Billing using Arduino, 9. Iot-BasedSmart ShoppingCartUsingRadio Frequency Identification, 10. IOT Based Intelligent Trolley for Shopping Mall, 11. AUTOMATION OF SHOPPING CART USING RASPBERRY PI, 12. RFID Based Shop Billing Machine using Raspberry Pi – IRJET, 13. RFID and Raspberry Pi Based Attendance System - Circuit , 14. IOT Based Intelligent Toll Gate System using Raspberry PI, 15. Wireless Smart Trolley for Shopping Malls using RFID and ZIGBEE, 16. Automated Smart Trolley with Smart Billing Using Arduino | RFID Based Smart Shopping Cart, 17. DIY Smart Auto Billing Shopping Trolley Using Arduino Automated Shopping Cart with Add/Delete ITEMS, 18. RFID Based Automated Smart Shopping Trolley Using Raspberry Pi, 19. Raspberry Pi RFID MFRC522 NFC Reader, Tags Scanner python code, 20. How to setup a Raspberry Pi RFID RC522 Chip, 21. Raspberry Pi Pico - Control the (I/O) World, 22. Watch it before buying Raspberry Pi Pico | Raspberry pi pico review, 23. Raspberry Pi Pico VGA video output using only resistors, 24. Intro to Raspberry Pi Pico and RP2040 - MicroPython Part 2: I2C Sensor | Digi-Key Electronics, 25. How to install micropython on Raspberry Pi Pico Getting started with Raspberry Pi Microcontroller, 26. What is PIO | Programmable I/O on Raspberry Pi Pico, 27. How to use a stepper motor on a Pi Pico, 28. Wireless Smart Trolley for Shopping Malls using RFID and ZIGBEE, 29. Raspberry Pi Pico Drone | PiWings Maiden Flight 2 with Android App | RP2040 Drone | STEM Education, 30. Raspberry Pi Zero W In Hindi : Unboxing – Review, 31. Raspberry Pi Pico using MicroPython - Tutorial -2: Button Inputs (Digital Inputs and Interrupts), 32. Raspberry Pi Pico Review, 33. Getting started with Raspberry Pi Pico – MicroPython, 34. Compact Robotics Board for Raspberry Pi Pico by Kitronik, 35. Raspberry Pi Pico, RP2040 and Adafruit family of boards, 36. How to read the temperature sensor on the Raspberry Pi Pico, 37. New Raspberry Pi PICO Beginners guide, - Some Experiments, 38. RASPBERRY PI PICO - Getting Started With MICROPYTHON, 39. Raspberry Pi Pico - Getting Started and programming in PyCharm, 40. Intro to Raspberry Pi Pico and RP2040 - C/C++ Part 1: VS Code and Blink | Digi-Key Electronics, 41. Machine Learning Inference on Raspberry Pico 2040 via Edge Impulse, 42. How to Setup a Raspberry Pi Pico and Code with Thonny, 43. Raspberry Pi Pico Complete Guide| Pinout+Features+ADC+I2C+OLED+Internal Temperature Sensor+DHT11,

Automatic Street Light On/Off Control System with Vehicle Movement

Vehicle Movement Based Street Lights Project | Street Lights that Glow on Detecting Vehicle Movement Circuit | Automatic Street Light Control by Detecting Vehicle | vehicle movement based street light using arduino | vehicle movement based street light project pdf | street lights that glow on detecting vehicle movement program code | vehicle movement based street light using pic | street light that glows on detecting vehicle movement ieee paper | motion sensor street light project | automatic street light using ir sensor pdf | flowchart of automatic street light. *********************************************************** If You Want To Purchase the Full Working Project KIT Mail Us: svsembedded@gmail.com Title Name Along With You-Tube Video Link Project Changes also Made according to Student Requirements http://svsembedded.com/  https://www.svskits.in/ http://svsembedded.in/  http://www.svskit.com/ M1: +91 9491535690  M2: +91 7842358459 We Will Send Working Model Project KIT through DTDC / DHL / Blue Dart / First Flight Courier Service We Will Provide Project Soft Data through Google Drive 1. Project Abstract / Synopsis 2. Project Related Datasheets of Each Component 3. Project Sample Report / Documentation 4. Project Kit Circuit / Schematic Diagram 5. Project Kit Working Software Code 6. Project Related Software Compilers 7. Project Related Sample PPT’s 8. Project Kit Photos 9. Project Kit Working Video links Latest Projects with Year Wise YouTube video Links 135 Projects  https://svsembedded.com/ieee_2021.php 151 Projects  https://svsembedded.com/ieee_2020.php 103 Projects  https://svsembedded.com/ieee_2019.php 61 Projects  https://svsembedded.com/ieee_2018.php 171 Projects  https://svsembedded.com/ieee_2017.php 170 Projects  https://svsembedded.com/ieee_2016.php 67 Projects  https://svsembedded.com/ieee_2015.php 55 Projects  https://svsembedded.com/ieee_2014.php 43 Projects  https://svsembedded.com/ieee_2013.php 900+ Projects https://www.svskit.com/2022/02/900-pr... *********************************************************** 1. Arduino Project - Smart street light system, 2. How to make smart street light System, 3. Vehicle Movement Based Street Lights With External Light Sensing, 4. Street Lights That Glow on Detecting Vehicle Movement | EEE Projects | Engineering Projects, 5. Street light that glow on detecting vehicle movement.(EEE project), 6. IoT-Based Smart Street Lighting Enhances Energy Conservation, 7. Automatic Street light control using 8051 micro controller ,Keil IDE and Proteus Simulation, 8. Vehicle Movement Based Street Lights Project, 9. Street Lights Glow On Detecting Vehicles Movement, 10. Arduino Project - Smart street light system Part- II, 11. Glowing Street Lights by Detecting Object [Vehicle or Human] Movement, 12. Vehicle Movement Based Street Lights With External Light Sensing using 8051 microcontroller, 13. Automatic Street Light With Motion Sensor, 14. Smart Street Light Using Arduino | Auto Intensity Control Of Street Light, 15. How to Make a Smart Street Light System : Robozz Lab, 16. Street Light That Glows On Detecting Vehicle Movement | Final year Engineering Project, 17. Arduino based Street Lights Control Using LDR and Counting Vehicles, 18. Smart Street Light Using IR Sensor with Arduino | Unacademy Live Laboratory 19. Vehicle Movement Based Street Lights With External Light Sensing Using ATMEGA, 20. HOW TO MAKE SMART STREET LIGHT SYSTEM || IR SENSOR || DIY, 21. Street light that glows on detecting vehicle movement, 22. Vehicle Movement Based Street Lights Using PIC, 23. Street Light That Glows On Detecting Vehicle Movement | ECE Engineering Project Kits, 24. Smart Street Light System | Innovation Track, 25. Automatic Street lighting on vehicle movement, 26. Vehicle movement based street light using arduino uno and IR sensor, 27. Street Lights Glow On Detecting Vehicles Movement, 28. Automatic street light with Motion sensor, 29. Vehicle Movement Based Street Lights With External Light Sensing Using ATMEGA, 30. Street Light That Glows on Detecting Vehicle Movement Using 8051 and IR sensor, 31. Automatic Street Light That Glows on Detecting Vehicle Movement Using 8051 and IR sensor, 32. AUTOMATIC STREET LIGHT ON/OFF CONTROL SYSTEM WITH VEHICLE MOVEMENT, 33. Vehicle movement based street light using arduino uno and IR sensor, 34. Automatic Street Light That Glows on Detecting Vehicle Movement Using 8051 and IR sensor, 35. Street Light On/Off Control System With Vehicle Movement Using 8051 and IR sensor,