Discussion in "PIC Microcontroller Discussion" started by    maann    Sep 22, 2013.
Sun Sep 22 2013, 03:48 pm
#1
any alternative for AT89S52 in the light control with visitor counter?,
Sun Sep 22 2013, 05:21 pm
#2
You can use any 8051 available in your local market. If you are unable to decide which one. Just make of list of 8051's available in market and post list here we will give you best option that you can use.
Sun Sep 22 2013, 06:04 pm
#3
thank you Ajay. ill update you as soon as i got the list.

is it ok if I use 2N2222 transistor instead of CL100?,

how about the IR sensor TSOP1738?, any alternatives?,

Thankyou much,
Sun Sep 22 2013, 07:24 pm
#4
make sure you similar type transistor i.e. make sure both are NPN or PNP. I think 2n2222 is NPN. For TSOP you can go to market and look for TV remote receivers available in market. everyone use their own naming but usually their part number ends with 38/36 etc.
Tue Sep 24 2013, 05:10 am
#5
hi Ajay,

is
SH89F52D
1144-W
040DU N66JP-1-1

could be a replacement for my microcontroller?

Thankyou.
Tue Sep 24 2013, 12:59 pm
#6
Yes you can use it inplace of 89S52.
Wed Sep 25 2013, 04:24 am
#7
thank you ajay!

but how about the program for the microcontroller?
Wed Sep 25 2013, 11:11 am
#8
They both are using same architecture, so It should be able to run the standard 8051 program. No changes required as such. There is no special peripheral being used in this project. Datasheet of controller was in Chinese so I could not read it. You need to try and test it.
Wed Sep 25 2013, 03:05 pm
#9
thankyou much ajay!,

ill keep you posted,

take care,
Thu Sep 26 2013, 12:56 am
#10
ajay,


is 33P, 33F, 0.1uF, 2.2uF are ceramic capacitor?,
is 50V electrolytic capacitor enough?,
how many volts do i need for the relay?

thankyou much ajay,

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