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Ashutosh Bhatt
Participantdoes your PIC16F887 supports IIC protocol?
if yes then use built in hardware and software like use direct instructions to read and send data to DS1307
if not then please read IIC protocol in detail go through some examples and then try again
Ashutosh Bhatt
Participantyou can purchase 2 inch or 3 inch TFT LCD/OLED screen and arduino nano board
then download arduino library for TFT LCD. and you are done. you can easily display text messages, scroll it, animate it etc whatever you want
Ashutosh Bhatt
Participantgive more details please
Ashutosh Bhatt
Participantin proteus if its working means your code/software is OK
some times it happens that the project works fine in proteus simulation but wont work on actual hardware due to hardware problems
Ashutosh Bhatt
Participantto interface 4×4 keypad you dont require any library
it can be easily interfaced with any micro controller
just go through some related examples/projects given on this website
you may find tutorial to interface 4×4 matrix keypad on this website
Ashutosh Bhatt
ParticipantIC NE555 is the most versetile chip with enoronomous applications. there is one complete section on IC NE555 on this site please visit
Ashutosh Bhatt
ParticipantOPAMP has enoromous applicatios
amplifier, oscillator, filter, phase-lock-loop, compatrator etc you may go through any good book on OPAMP or may search on google for op-amp applicaitons
Ashutosh Bhatt
Participantpost your circuit.
what is your application?
Ashutosh Bhatt
Participantfor any embedded system application the program that we download (embedded) in to micro-controller that program is known as "firmware"
in micro controller based project you have to program micro controller without downloading program into micro controller, the chip is dead the application wont work
Ashutosh Bhatt
Participantfor making programmer you need to download program into master 89S52
how you will manage to download program into this master 89S52? without programmer?
Ashutosh Bhatt
Participantselecting microcontroller for any application depends upon so many criterias.
most common things to think of are
1) requirements of IO line
2) require built in memory for program code
3) required in built peripherals like ADC, SPI, IIC etc
you may choose MCS51 family controller or AVR or arduino
Ashutosh Bhatt
Participantyes, there is TFT LCD library available for arduino. but recommended for arduino boards with more builtin memory with 256K or more
Ashutosh Bhatt
Participantyou can use 7 segment driver chip readily available
or you can use micro controller for the same purpose
July 11, 2018 at 9:07 am in reply to: dspic30f3014 pic kit 3 programming failed after 1st time #14857Ashutosh Bhatt
Participantyour program code may be of higher memory capacity than internal ROM of your micro controller
the program address range may be out of internal ROM
Ashutosh Bhatt
Participantyes you can find many such articles on engineers garage
just look for RTC interfacing with arduino
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