index
                    Index
SYMBOL
!= (inequality) operator 
&= ~ operator 
#ifndef 
+5V pin 
<= (less than or equal to) operator 
< (less than) operator 
== (equality) operator 
> (greater than) operator 
>= (greater than or equal to) operator 
| operator 
|= operator 
1A pins 
2A pins 
2N2222 NPN transistor 
4-bit configuration, vs. 8-bit configuration 
5V pin 
8-bit configuration, vs. 4-bit configuration