analogWriteResolution
analogReadResolution
delayMicroseconds
analogReference
attachInterrupt
detachInterrupt
digitalWrite
noInterrupts
digitalRead
analogWrite
analogRead
randomSeed
interrupts
constrain
shiftOut
highByte
bitWrite
bitClear
pinMode
shiftIn
pulseIn
lowByte
bitRead
noTone
millis
micros
random
bitSet
delay
float
tone
sqrt
char
byte
word
long
min
max
abs
map
pow
sin
cos
tan
int
bit