lcd 1602 interface
no vote
SW S10 the fourth bit set ON,the other SW OFF, jump J14 all connect.
;adjust the ponemeter for the light.
;*****************THE definiens of register*****************************
#include<p16f877a.inc>
__CONFIG _DEBUG_OFF&_CP_ALL&_WRT_HALF&_CPD_ON&_LVP_OFF&_BODEN_OFF&_PWRTE_ON&_WDT_OFF&_HS_OSC