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CATEGORY: EDUCATION

Digital IC Tester

MAKERS: shubham COUNTRY: India

This IC Tester can test TTL and CMOS ICs(74,40,45 series ICs) Testing Result: For working ICs:IC Working. For Faulty ICs: IC Faulty.

The Purpose

IC?s, the main component of each and every electronic circuit can be used for wide variety of purposes and functions. But sometimes due to faulty ICs the circuit doesn?t work. Indeed it is lot tedious work to debug the circuit and confirm whether the circuiting is creating the problem or the IC itself is dead. So to come up with these sorts of problems IC tester confirm whether the IC under consideration is working properly or not.

The Technology

cThere are two modes 1.Auto mode (insert IC only) 2.Manual mode (enter IC no using keypad) Components Requirements: ? Aduino Mega 2560 The Mega 2560 is a microcontroller board based on the?ATmega2560. It has 54 digital input/output pins (of which 15 can be used as PWM outputs), 16 analog inputs, 4 UARTs (hardware serial ports), ? EEPROM EEPROM is needed to load the data of the ICs that we want to check. 24LC512 can be used to store 512KB of storage capacity. ? LCD 16*2 Used for the displaying purpose ? Hex KeyPad To get input from the user we used Hex Keypad ICs THAT CAN BE TESTED: 4002 4009 4010 40106 4011 4012 4013 4015 4016 40161 40162 4017 40174 40175 4018 4019 40192 40193 4020 4022 4023 4024 4025 4027 4028 4029 4030 4031 4040 4041 4042 4043 4044 4048 4049 4051 4053 4066 4068 4069 4070 4071 4072 4073 4075 4076 4077 4078 4081 4082 4093 4094 4098 4501 4503 4506 4510 4511 4512 4518 4519 4520 4529 4532 4543 4572 7400 7401 7402 7403 7404 7405 7406 7407 7408 7409 7410 74107 74109 7411 74112 74113 7412 74123 74125 74126 7413 74132 74133 74136 74137 74138 74139 7414 74140 74147 74148 7415 74151 74153 74157 74158 7416 74160 74161 74162 74163 74164 74165 74166 7417 74173 74174 74175 7418 74182 74190 74191 74192 74193 74194 74195 7420 7421 7422 74237 74242 74243 7425 74251 74253 74257 74258 74259 7426 74260 74266 7427 7428 74280 74283 74292 74293 74294 74298 7430 7432 74365 74366 74367 74368 7437 74375 7438 74386 74390 74393 7440 7442 7447 7450 7451 7452 7455 7458 74589 74595 74597 7460 7461 7462 7465 74154 7474 7485 7486 74244 74373/74

Additional Details

II. WORKING The IC to be tested is inserted into the base. There are two modes in which IC tester can be operated 1. Auto mode 2.Manual mode 1. Auto mode: Under the operation of Auto mode user don't need to use keypad, the user just need to insert IC in the IC socket and IC tester automatically detect the IC number and result is shown on the LCD. 2. Manual mode: Under the operation of manual mode user enters the IC number through keypad which is simultaneously displayed on the LCD. Then press enter,result is shown on the LCD within a second

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