at89c51 problems help me :'(

[HIFZUL]

i have some problem with my at89c51. my project is bidirecctional visitor counter. i have followed all the connection from a circuit given, but still its not work. how can i fix it ?? it is because of im using 9v battery ?? does it effect my atmel to not load the programmes ?? i hope u guys can help me . tq

[HIFZUL]

any suggestion pls???
 

[Ashutosh Bhatt]

u can not give 9 V directly to micro controller. it will certainly burn it. micro controller works on 5 V supply only

[Author]

Posts