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EMBEDDED COMPUTING OVERVIEW
PHILIP VAN ALLEN
WHY EMBEDDED COMPUTING?
Enables different kinds of design, escaping the screen
Tangible Interaction, NUI, Physical Computing, Gestural Interaction, etc.
Integrates the physical world with the digital
Internet of Things (IoT)
Embedded, embodied interaction in people’s lives
A non-rational, analog/emotional/intuitive kind of interaction
Computing at the “edge”
CLOUD PC TABLET
PHONEDEDICATEDWEARABLESEMBEDDED
AUTONOMOUS VEHICLE
AN ECOLOGY OF DIGITAL SYSTEMS
AN ECOLOGY OF EMBEDDED SYSTEMS
IOT ARCHITECTURE
PB-∞
TB-PB
GB-TB
DATA CENTERS, COGNITIVE APIS
THOUSANDS
SERVERS, PEER TO PEER
MILLIONS
DEVICES/SENSORS/PROCESSING
BILLIONS
CLOUD
FOG
EDGE
0-10MS
5-25MS
25-1000MS
Fiber
PROGRAMMABLE - ISOLATED
ARDUINO/CIRCUIT PLAYGROUND EXPRESS
LINUX SBC
RASPBERRY PI/BEAGLEBONE
ID ONLY
RFID
PROGRAMMABLE - NETWORKED
ESP32 HUZZAH
SINGLE BOARD PC
INTEL NUC
TYPES OF EMBEDDED SYSTEMS
WIRELESS SENSING
XBEE
SENSORS (INPUT) (OUTPUT) ACTUATORS
PROXIMITY LIGHT
SWITCH LINEAR TOUCH
STEPPER SOLENOID SERVO
SWITCH LEDS
ANALOG SENSOR CONNECTIONS
POWER INPUT VOLTAGE OUTPUT
GROUND
SENSORS - ANALOG TO DIGITAL
Environmental
temp
humidity
barometric pressure
light (brightness, color)
sound
moisture
chemical
camera - object/facial recognition
Lidar - 3D mapping
Biometric
heart rate
breathing
blood pressure
ID - fingerprint, iris
steps, activity
sleep
brain activity
chemical - nutrients, toxins, cancer,
etc.
SENSORS - ANALOG TO DIGITAL
Interaction/Movement
switch
bat, tact, floor, infrared, magnetic, etc.
proximity
touch (1D, 2D, multi)
pressure
potentiometers
rotary, linear, joystick
accelerometer
gyro
flex/bend
motion
Heat/PIR, camera
ACTUATORS - DIGITAL TO ANALOG
Behavior/motion
dc motor
servo
stepper
memory wire (nitinol)
solenoid
Media
video (screen)
audio (speaker)
Environmental
leds/lights
el wire
buzzer
heating/cooling
Switches
digital out
relay

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Embedded computing

  • 2. WHY EMBEDDED COMPUTING? Enables different kinds of design, escaping the screen Tangible Interaction, NUI, Physical Computing, Gestural Interaction, etc. Integrates the physical world with the digital Internet of Things (IoT) Embedded, embodied interaction in people’s lives A non-rational, analog/emotional/intuitive kind of interaction Computing at the “edge”
  • 3. CLOUD PC TABLET PHONEDEDICATEDWEARABLESEMBEDDED AUTONOMOUS VEHICLE AN ECOLOGY OF DIGITAL SYSTEMS
  • 4. AN ECOLOGY OF EMBEDDED SYSTEMS
  • 5. IOT ARCHITECTURE PB-∞ TB-PB GB-TB DATA CENTERS, COGNITIVE APIS THOUSANDS SERVERS, PEER TO PEER MILLIONS DEVICES/SENSORS/PROCESSING BILLIONS CLOUD FOG EDGE 0-10MS 5-25MS 25-1000MS Fiber
  • 6. PROGRAMMABLE - ISOLATED ARDUINO/CIRCUIT PLAYGROUND EXPRESS LINUX SBC RASPBERRY PI/BEAGLEBONE ID ONLY RFID PROGRAMMABLE - NETWORKED ESP32 HUZZAH SINGLE BOARD PC INTEL NUC TYPES OF EMBEDDED SYSTEMS WIRELESS SENSING XBEE
  • 7. SENSORS (INPUT) (OUTPUT) ACTUATORS PROXIMITY LIGHT SWITCH LINEAR TOUCH STEPPER SOLENOID SERVO SWITCH LEDS
  • 8. ANALOG SENSOR CONNECTIONS POWER INPUT VOLTAGE OUTPUT GROUND
  • 9. SENSORS - ANALOG TO DIGITAL Environmental temp humidity barometric pressure light (brightness, color) sound moisture chemical camera - object/facial recognition Lidar - 3D mapping Biometric heart rate breathing blood pressure ID - fingerprint, iris steps, activity sleep brain activity chemical - nutrients, toxins, cancer, etc.
  • 10. SENSORS - ANALOG TO DIGITAL Interaction/Movement switch bat, tact, floor, infrared, magnetic, etc. proximity touch (1D, 2D, multi) pressure potentiometers rotary, linear, joystick accelerometer gyro flex/bend motion Heat/PIR, camera
  • 11. ACTUATORS - DIGITAL TO ANALOG Behavior/motion dc motor servo stepper memory wire (nitinol) solenoid Media video (screen) audio (speaker) Environmental leds/lights el wire buzzer heating/cooling Switches digital out relay