Vending machines
business impact
central server approach
coin-operation
community-created designs
connectors/headers
customized design
electronic components
Ethernet
fingerprint recognition
form factor
Gumstix
hardware overview
heatsink/cooling elements
implementation
large-scale deployment
optional components
payment system
PayPal payment processor
PCB manufacturers
postcards
prototyping
Raspberry Pi
reference carrier board
servo control
software-defined radio applications
specifications
specific problem
types
web server
wireless connectivity
Virtual Network Computing (VNC)
Voice interaction
Amazon smart speakers
COVID-19 prevention
deep learning
fast food industry
graph information
hands-free implementation
languages
lights control
offline speech-recognition service
online speech-recognition service
Picovoice system
repetitive/time-consuming tasks
reTerminal project
self-service kiosk
speech-to-intent model
text-to-speech engine
touchscreen kiosks