Any powered speaker that plugs into the audio jack would work. This one fits inside the torso and can be kept charged with a custom Mini USB cable.
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1
2 Female pin to mini USB power cable
This is a custom cable that connects the ground and power pins from a male Mini USB cable to 2 female pins - it is used to keep the speaker charged from the Raspberry Pi.
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1
Adafruit Medium length F-F jumpers
8 of these are needed to connect the TFT display to the Raspberry Pi and another 4 are needed to connect the RGB LED to the Raspberry Pi
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12
Adafruit Medium length F-M jumpers
These are needed to connect the micro servo to the Raspberry Pi
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3
Spiral wire wrap
Approximately 6 inches holds the jumpers connecting the TFT display
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1
3 amp USB power supply
Less than 3 amps will result in sporadic failures during operation - you're powering a lot of peripherals and the Pi itself.
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1
16 GB+ high speed Micro SD card
Get a class 10 or better
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White paper
Used for the eyes and the heart
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1
Colorful string
Approximately 8 inches is needed to hang the TFT display as a necklace
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1
Glue
Glue that can hold various plastics and can be applied thickly
Ohgee is a small desktop robot that started out as my way to learn how to use several Google Cloud Services and also make a cute pal that is aware of my presence and keeps me company without taking over the space or demanding too much of my attention.
Ohgee uses a Raspberry Pi to capture images and speech which she sends to Google Cloud services for analysis. Ohgee looks for objects of interest in the analyzed images and language and responds by displaying images, showing her heart, speaking and nodding.
Some of the design principles I decided on were:
Statelessness: There should be no potential to store Personally Identifiable Information
No recognition of individuals - privacy is #1
Use Google Cloud Service APIs and Libraries for processing that would take too long or not be available on a Raspberry Pi
Use local processing in front of cloud services to reduce latency and quota usage
Exploit the multiple cores available in a Raspberry Pi 3
Provide multiple signals to the viewer: visual, auditory, motion
The Google Cloud Services that Ohgee uses are
Cloud Vision
Cloud Speech-to-Text
Cloud Natural Language
Custom Search Engine
Ohgee's Hardware Components include
A USB Microphone
A Pi Spy Camera
A small TFT screen
An RGB LED
A head mounted on a servo
Here are Ohgee's processes, hardware components, cloud services and their interactions
Ohgee's processes, hardware and cloud services
Ohgee watches for motion and listens for speech. When she sees or hears something interesting, she interacts with people and objects based on their proximity and sentiment. Ohgee also responds to a number of known phrases.
3D print one of the "Ohgee Torso" file in the "body" directory
Print at 100% and then cut one of the "newheadmodel-from_makercase_com.pdf" file in the "body" directory
Code
Ohgee Codebase
This should be cloned onto a directory under the Pi user home directory
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