maremoto
Published © MIT

Snips Assistant for Emergencies (SAFE)

Older people or whose somehow impaired living alone need a easy way to request for help in an emergency situation.

AdvancedWork in progress16 hours1,744

Things used in this project

Hardware components

Snips Voice Interaction Development Kit (Base Kit)
Snips Voice Interaction Development Kit (Base Kit)
×1
piezoelectric siren 12V
There are plenty of models and manufacturers, it will be 5V powered so it is not mandatory a 12V one.
×1
USB-A to Mini-USB Cable
USB-A to Mini-USB Cable
Any male usb A cable to anything you don't mind cut
×1
Raspberry Pi Zero Wireless
Raspberry Pi Zero Wireless
You will need a charger also, recommended a 2A or 3A one
×1
Flash Memory Card, SD Card
Flash Memory Card, SD Card
8Gb recommended
×1
LED (generic)
LED (generic)
A small one.
×1
Tactile Switch, Top Actuated
Tactile Switch, Top Actuated
×1
Through Hole Resistor, 680 kohm
Through Hole Resistor, 680 kohm
i am using a small fixed network resistor, but a regular one will fit too.
×1
Adafruit SPDT slide switch
×1
Adafruit Powerboost 1000C load-share battery charger
×1
Adafruit I2S MEMS Microphone Breakout - SPH0645LM4H
×1
Adafruit I2S 3W Class D Amplifier Breakout - MAX98357A
×1
Adafruit mini metal speaker 8ohms 0.5w
×1
(7X3cm) Mini Proto Board, Double Side
×1
bakelite universal perfboard
×1
UltraFire 16340 Rechargeable Battery - 1200mAh
You can use a different or more powerful battery (not less than 1200mhA) but keeping the same size (30mm x 15mm)
×1

Software apps and online services

Raspbian
Raspberry Pi Raspbian
Snips AIR
Snips AIR
Linphone open source softphone

Hand tools and fabrication machines

Soldering iron (generic)
Soldering iron (generic)
3D Printer (generic)
3D Printer (generic)

Story

Read more

Custom parts and enclosures

SAFE Base enclosure

3D print with ABS or PLA and install at the SAFE Base for better aesthetic

SAFE button for Base

3D print with Nijaflex or Filaflex and install at the SAFE Base

SAFE Pendant satellite inner part 1

3D print with ABS or PLA to help to pendant assembly

SAFE Pendant satellite inner part 2

3D print with ABS or PLA to help to pendant assembly

SAFE Pendant satellite back enclosure

3D print with ABS or PLA

SAFE Pendant satellite front enclosure

3D print with ABS or PLA
File missing, please reupload.

SAFE button for Pendant satellite

3D print with Nijaflex or Filaflex and install at the SAFE Pendant, the flat side up (toward the led hole)

Schematics

SAFE pendant

Components and wiring for SAFE satellite pendant

Code

SAFE app code

Download for SNIPS skills with sam of manually

SAFE satellite pendant code

Download and manually install at the satellite pendants

SAFE resources

Extra resources to help with configuration an deployment

Credits

maremoto

maremoto

1 project • 2 followers

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