Rickey's World of Microcontrollers & Microprocessors

Take another look at the power supply to the LCD.
A reset button is handy for testing.
If the supply is no more than five volts, I don't see why the supply,
or anything else, would burn out.
I might have...

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Posted by ExperimenterUK on Wed Jun 17 2020, 07:31 am

interfacing camera with microcontroller 8051(stc 8051)

Forum -> Project Help

Which one did you buy ?

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Posted by ExperimenterUK on Tue Dec 10 2019, 10:19 pm

interfacing camera with microcontroller 8051(stc 8051)

Forum -> Project Help

" Is it possible to interface a fingerprint scanner to 8051?"
I think so.
Some fingerprint readers hold all the fingerprint data in memory
and only need a serial connection to work.

One problem, is that a...

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Posted by ExperimenterUK on Fri Nov 29 2019, 09:54 am

interfacing camera with microcontroller 8051(stc 8051)

Forum -> Project Help

Which camera ?
What do you want the micro to do ?

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Posted by ExperimenterUK on Wed Oct 16 2019, 06:40 am

EEPROM READ AND WRITE

Forum -> Project Doubts

Please zip your full code and post it.
Which assembler are you using ?

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Posted by ExperimenterUK on Thu Apr 18 2019, 10:28 pm

Incremental encoder and PIC16f877a

Forum -> Project Help

The problem may not be with your code.
You will have to go back to basics and test what works.
So..first write program to just flash the led on and off.

Then flash the led when you get any input on B0.
D...

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Posted by ExperimenterUK on Tue Apr 02 2019, 12:41 am

Incremental encoder and PIC16f877a

Forum -> Project Help

Using the external interrupt on pin B0 is the best option.

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Posted by ExperimenterUK on Sat Mar 23 2019, 02:40 am

Heartbeat sensor with at89s52

Forum -> Project Help

Hi
Members can supply code and diagrams if they want to, but it is not common.
The best way would be for you to find a similar project on the web.

If you have to do it yourself, look at these tutorials ...

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Posted by ExperimenterUK on Sat Dec 15 2018, 05:24 am

Need help in serial programming using SBUF register !!!!

Forum -> Project Help

I have attached sample code to do what you want.

There are a couple of points to note.

When you declare a variable in a function
it only exists in that function.
Variables d1,d2,d3 declared in void decima...

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Posted by ExperimenterUK on Sun Apr 22 2018, 01:15 am

Support HM 2007

Forum -> 8051 Discussion Forum

Can you post details of what you have done
even if it does not work.

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Posted by ExperimenterUK on Thu Apr 05 2018, 01:37 am