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Automated Optical Inspection for Printed circuit boards

INTRODUCTION Automated visual inspection of printed circuit board non-contact test method Autonomous scanning of boards via a camera to detect Surface defects Component placement defects Implementing stages bare board inspection , solder paste inspection (SPI) , pre and post-reflow inspection, etc. This proposed AOI system is equipped with a hardware device that can scan the bare PCB, and with the aid of Gerber file data, it identifies the defective area, faults and dust particles on the board. With the help of the layout design, this prototype will be able to scan and identify any flaws. For more details about the project, its novelty, do contact me @LinkedIn .

Telepresence Robot - Level 1 of Humanoid Robot

A Telepresence robot helps place "you" at a remote location instantly, providing you a virtual presence, or "telepresence." A telepresence robot is a computer, tablet, or smartphone-controlled robot which includes a video-camera, screen, speakers and microphones so that people interacting with the robot can view and hear its operator and the operator can simultaneously view what the robot is “looking” at and "hearing." Controller : NODEMCU - ESP8266 Wifi Development Board The NODE MCU(WiFi module) is used to connect to the users phone via which the robot is operated(created mobile application that controls the servo motors) and video is viewed. The ultrasonic sensor is used so as to inform the user if the robot goes closer to any obstacle via the application . This project is the basic version of a Humanoid Robot. The below video explains the project's working. Details of the Project :

Vending Machine using FPGA

Vending machine is an automated machine that dispenses items based on the selected product and input token or coins. Model used : Mealy state machine model Programming: Verilog Simulating Software: Xilinx VIVADO 2017.4 Hardware: Nexys 4 DDR FPGA development board. The project is perfectly programmed to give outputs that clearly tells the user on the product to be dispensed, change to be given and the availability of the product. Additionally, delay function is also been implemented. Design Flow / Algorithm : Designing Mealy State Diagram : Unlike adding the number of states based on the product cost, I've executed using less number of states. Here, I've considered two products of price Rs15 , Rs20.The below image depicts their respective mealy state diagram. Simulation Results: Considering the availability/count of two products, the below are the results for the given input. Input 1: Without Delay Rs...

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