►Keypad Connections with AVR Microcontroller

[lightbox=keypad-avr.gif|Keypad connections with AVR Microcontroller|Keypad Interfacing]
[/lightbox]
Please click on the image to enlarge it

Circuit shown above is for demonstration and does not include any reset and crystal circuit. For practical use you need to have a reset circuit and crystal.


►Keypad Connections with 8051 Microcontroller

[lightbox=keypad-8051.gif|Keypad connections with 8051 Microcontroller|Keypad Interfacing]
[/lightbox]
Please click on the image to enlarge it

Circuit shown above is for demonstration and does not include any reset and crystal circuit. For practical use you need to have a reset circuit and crystal.

◄ Introduction  |  8051 Program ►

Conversation

ExperimenterUK
Thu Nov 20 2014, 06:00 PM
@Mehboob.. I don't think you can do that.
Sat Nov 15 2014, 06:41 AM
Mehboob
Pls can you send me code in c of PWM generation using UART/serial port in 8051.
Fri Nov 14 2014, 02:51 PM
mohammad aqil
NEED A BOOK ON MICROPROCESSOR AND INTERFACING BY D.V.HALL. RIGHT NOW, I SHALL BE VERY THANK FULL TO U....
Thu Nov 13 2014, 02:15 PM
m
please code hex project avr blood pressure monitor
Thu Nov 13 2014, 05:56 AM
Lambo
hi mate, whats the ajay-bhargav? tell us more pls
ExperimenterUK
Wed Nov 12 2014, 12:56 AM
@tmtm000.. have you been able to join ?
ExperimenterUK
Wed Nov 12 2014, 12:54 AM
@Alice..become a member,then send a PM to ajay_bhargav the site owner.
Tue Nov 11 2014, 03:58 AM
Abhishek Bansal
Thanks a lot for your informative tutorials!
Mon Nov 10 2014, 09:03 AM
Alice
Hello, This is Alice from a PCB rototype manufacturer. Our company is interested in your website contents, and wonder if we can advertise our company with payment on your website. There are two ways to advertise: first, if we an get a instant quote section on your main site columns; second, whether we can get a advertising section if you have any avaliable one. If any of above ways avaliable, please contact me with your detailed scheme and advertising charge. Thanks. Alice
Sat Nov 08 2014, 11:58 AM
Mohamed_123sd
Signals and Systems, 2nd Edition by Alan V. Oppenheim Alan S.willsky with S.Hamid Nawab?

Downloads

Comments

dpkraju
Wed Nov 26 2014, 02:18 PM
sankalp_s
Tue Nov 25 2014, 05:13 PM
dodul
Mon Nov 24 2014, 10:08 PM
VikiPeter
Tue Nov 18 2014, 09:13 AM
gentlboy
Sun Nov 16 2014, 11:13 PM
philipeastbourne
Wed Nov 12 2014, 05:32 AM
astra91
Mon Nov 10 2014, 08:11 AM
francise
Thu Nov 06 2014, 02:55 AM

Online

Guests: 68, Members: 0 ...

most ever online: 182184
(Members: , Guests: 182184) on 06 Aug 2010: 05:37 AM

Members: 37550
Newest member: dpkraju
Forum Activity
nomi77 Avatar
Posted By nomi77
Wed Nov 26 2014, 07:30 AM
@ajayAnother option is this if i can do void stor...
nomi77 Avatar
Posted By nomi77
Wed Nov 26 2014, 07:05 AM
@ajayI did same procedureconnected my modem with L...
ajay_bhargav Avatar
Posted By ajay_bhargav
Wed Nov 26 2014, 04:47 AM
Are you manually trying to input data via virtual ...
ajay_bhargav Avatar
Posted By ajay_bhargav
Wed Nov 26 2014, 04:39 AM
Uart is totally different peripheral. Look at seri...
ajay_bhargav Avatar
Posted By ajay_bhargav
Wed Nov 26 2014, 04:37 AM
I see three different components in your design bu...
ajay_bhargav Avatar
Posted By ajay_bhargav
Wed Nov 26 2014, 04:33 AM
Are you bound to use assembly? if yes then there w...
ExperimenterUK Avatar
Posted By ExperimenterUK
Wed Nov 26 2014, 02:33 AM
I assume you mean CMMS as in AT+CMMS, something to...
Max.otto Avatar
Posted By Max.otto
Tue Nov 25 2014, 09:54 AM
Hello all,i was bit confused of my requirment. But...
dodul Avatar
Posted By dodul
Mon Nov 24 2014, 10:11 PM
I know its a bit off topic. But, any help would be...
nomi77 Avatar
Posted By nomi77
Mon Nov 24 2014, 02:44 PM
here is the attached code + simulation please help...