Data Sheet
Guide  V1.0     
Email: keen@elecrow.com    Web: www.elecrow.com  ---Designed by Elecrow Keen 
54 
pin10->D10 Need connection resistance. 
pin11- >D9 Need connection resistance. 
pin12 ->D8 
pin13 ->A3 Need connection resistance 
pin14 ->D2 
pin15 ->A4 Need connection resistance. 
pin16 ->A5 Need connection resistance. 
Note:  Some pin ports need connection resistance. 
Compile and upload 
Tips: Refer to the operation demo (Step4 to Step8). 
By  modifying  the  “unsigned  char  table1[8][8]  =  {}”  or  “unsigned  char  table2[8][8]  =  {}” 
function, you can display different animation. 
Language reference 
#define 
Unsigned char 
Application effect 
Please ensure that the connection correct, then upload the code, you will see the heart 
beating animation. 










