Januaray 18th In Class Notes

-Design of Everyday Book -Donald Norman

Arduino IDE vs PlatformIO

code(#Include)

GPIO- General Purpose Input & Output

Analogue vs Digital

Analogue

• continuously changing
• vinyl
• continuous clock

Digital

• either on or off (high or low)
• BINARY no inbetween
• CD
• Computer
• Digital clock switching numbers

ADC- Anologue Digital Converter

DAC- Digital Analogue Converter

• PMW- Pulse Width Modulation (dimming LED)

Input vs Output

Input

• light (sensor)
• sound (mic)
• motion (sensor)
• SWITCH- most basic, two pieces of metal touching or not
• temp

Output

• speaker
• motor
• light
• LCD display
• heater
• relay (switch of its own)

OUR MICRO CONTROLLERS ARE 5 voltz, most tech is 3.3 voltz