Robots & toys / Device firmware
A pendant with a Tamagotchi-like pet, conversation history, voice replies, watch face and phone-camera remote shutter.
Read the original build See shopping list
The pendant’s screen, microphone, speaker and camera-shutter controls become a pocket companion.
Sean Hollister describes plugging the device into his PC and having Claude Code implement each feature; firsthand photos and iteration account.
AI replies need external services. The creator does not claim the generated code is secure.
First-person showcase
Hardware used · Product page
The pendant’s screen, microphone, speaker and camera-shutter controls become a pocket companion.
View Waveshare ESP32-S3 Touch AMOLED 1.75C
Exact model · Directory
Buy the cased 1.75C model, not a bare development board or a different screen size.
One display is enough for the pet interface. The remote viewfinder is a separate configuration and needs a compatible camera feed. Cloud replies also need service accounts.
Quantities are for one build. Unless marked source-specified, they are planning quantities; confirm kit contents and the chosen configuration before ordering.
Finished display, microphone and speaker device.
Buy the cased 1.75C model, not a bare development board or a different screen size.
Creator source. Planning quantity for one build; check the selected configuration.
Product page
Connect to the computer for programming or data.
A charge-only cable cannot flash firmware. Example requires a USB-A host port. If your computer has only USB-C, use an appropriate USB-C data cable instead. Reuse the device’s included cable where possible; this is not a standalone power-supply recommendation.
Setup requirement — check against your configuration. Planning quantity for one build; check the selected configuration.
Accessory example: USB-A to USB-C, 1 m, data capable
Build, configure or flash the software.
Setup requirement — check against your configuration. Planning quantity for one build; check the selected configuration.
Use existing equipment or match the specification above. No exact purchase link verified.
Supply the viewfinder feed.
Only for the remote-camera feature. This display is not itself a camera; creator model and streaming requirements are not identified.
Creator source. Planning quantity for one build; check the selected configuration.
No exact purchase link verified; confirm the model and requirements above before ordering.
Source reviewed, not assembled or hands-on tested. A working product page does not confirm stock, firmware compatibility or a complete build.
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