News 8051 Projects
- Sun Sep 22 2013, 01:26 PM
The digital IC tester is implemented by using the 89C51 microcontroller board. The processing of the inputs and outputs is done by the microcontroller. The display part on the microcontroller board is modeled using LCD. After the successful testing of the IC, the result is displayed on the LCD.
The basic function of the digital IC tester is to test a digital IC for correct logical functioning as described in the truth table and/or function table. It can test digital ICs having a maximum of 24 pins. Since it is programmable, any number of ICs can be tested within the constraint of the memory available. This model applies the necessary signals to the inputs of the IC, monitoring the outputs at each stage and comparing them with the outputs in the truth table. Any discrepancy in the functioning of the IC results in a fail indication, displays the faulty and good gates on the LCD. The testing procedure is accomplished with the help of keys present on the main board.
This project has been tested with most commonly used digital IC's, mainly belonging to the 74TTL series. Digital IC tester tests various types of IC's like OR, XOR, NAND, AND, NOT, NOR, XNOR GATES and also FULL ADDER, MULTIPLEXER, SHIFT REGISTER.
A special thanks to Sunil Raina, Piyush Sonawane and Parimal Sikchi for sharing their work with us.
You can download this project from here: Digital IC Tester Project (with report)
If you have any doubts in project, please post in forum.
Thu Jan 29 2015, 11:24 AM
I found discussion relevant to my problem (link:http://www.8051projects.net/t59199/gsm-cdma-discussion/flashing-new-firmware-in-sim900-modem.htm) but i could not find the project mentioned in that discusion
Thu Jan 29 2015, 11:21 AM
Hi i am using a SIM/900A GSM modem, I want to send email with an attachement using a microcontroller but when i try to use AT_Email commands it gives me error,I think modem doesnot support those commands,is there any other way to send mail using that modem??
Thu Jan 29 2015, 06:54 AM
@gaurav, please mail me message you're trying to post.
Thu Jan 29 2015, 01:17 AM
bhagyesh.bhavasar/gaurav.k I can post with Firefox. Can you try other browsers ?
Wed Jan 28 2015, 08:08 AM
the web theme is too much buggy and heavy , admin please change it to simple theme, so that user can browse quickly
Wed Jan 28 2015, 08:07 AM
some one please share software name or ebooks related to avr
Tue Jan 27 2015, 11:06 AM
i want to share my project but there is problem occurred during postng
Tue Jan 27 2015, 05:58 AM
@ExperimentalUK i have used that purple button but same as previous it takes me to blank page
Sun Jan 25 2015, 08:10 PM
This box is for chat. Post problems in a suitable forum
Sun Jan 25 2015, 08:04 PM
@gaurav.k Use the purple "Post reply" button. Green buttons often present a fresh edit box.
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