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A touch-activated talking crystal ball

Touch pads activate a voice conversation while a light ring reflects conversation state.

Read the original build See shopping list
A touch-activated talking crystal ball — build photo from the creator’s source
Creator · build photo

What the hardware does

Touch sensors activate a voice interaction while an Arduino-controlled light ring signals conversation states inside a physical crystal-ball enclosure.

How the agent helped

The creator credits Codex with the voice application, Arduino firmware and integration between the Raspberry Pi and lighting hardware. The divination theme is entertainment, not a claim of predictive accuracy.

Before you build

Physical prototype requiring wiring and cloud voice service. Astrology is entertainment, not an evidence-based prediction method.

Follow the build

youcanjustbuildthings.openai.chatgpt.site

Original build story

Creator showcase

Hardware

All hardware
A touch-activated talking crystal ball — build photo from the creator’s source

Hardware used

Raspberry Pi 5; Arduino Uno; capacitive touch sensors WS2; WS2812B ring

Touch sensors activate a voice interaction while an Arduino-controlled light ring signals conversation states inside a physical crystal-ball enclosure.

Product link not verified.

Creator · build photo

Shopping list

Save as Markdown

Astrology output is entertainment, not a factual prediction. Keep the speakerphone external as the source describes; no microphone amplifier is needed if using the documented USB speakerphone.

Confirm before buying

  • LED ring count, supply current, resistor/capacitor values, exact WS2 modules, Uno revision and enclosure sizes are not supplied.

Quantities are for one build. Unless marked source-specified, they are planning quantities; confirm kit contents and the chosen configuration before ordering.

  1. Qty. 1Plan / confirm
    Required

    Raspberry Pi 5

    Voice/backend host.

    Memory capacity not specified.

    Sources & quantity basis

    Creator source. Planning quantity for one build; check the selected configuration.

    Source-linked listing

    Manufacturer model page; select the specified memory

    Source-linked; live page not verified

  2. Qty. 1Plan / confirm
    Required

    Arduino Uno

    Touch/LED controller.

    Revision not specified.

    Sources & quantity basis

    Creator source. Planning quantity for one build; check the selected configuration.

    No exact purchase link verified; confirm the model and requirements above before ordering.

  3. Qty. 2Source count
    Required

    Capacitive touch sensors WS2

    Two independent touch inputs.

    Source specifies momentary active-high outputs to D2/D3, with 5 V and GND.

    Sources & quantity basis

    Creator source. Source-specified quantity.

    No exact purchase link verified; confirm the model and requirements above before ordering.

  4. Qty. 1Plan / confirm
    Required

    USB speakerphone with microphone and speaker

    Conversation audio.

    Sources & quantity basis

    Creator source. Planning quantity for one build; check the selected configuration.

    No exact purchase link verified; confirm the model and requirements above before ordering.

  5. Qty. 1Plan / confirm
    Required

    WS2812B / NeoPixel-compatible LED ring

    Animated light output.

    Diameter, LED count and current demand not stated.

    Sources & quantity basis

    Creator source. Planning quantity for one build; check the selected configuration.

    No exact purchase link verified; confirm the model and requirements above before ordering.

  6. Qty. 2Source count
    Required

    Copper-tape touch pads

    External touch electrodes.

    Sources & quantity basis

    Creator source. Source-specified quantity.

    No exact purchase link verified; confirm the model and requirements above before ordering.

  7. Qty. 1 setPlan / confirm
    Required

    Globe and base

    Enclosure.

    Sources & quantity basis

    Creator source. Planning quantity for one build; check the selected configuration.

    No exact purchase link verified; confirm the model and requirements above before ordering.

  8. Qty. 1Plan / confirm
    Required

    Regulated 5 V LED power supply

    Power LED ring.

    Separate regulated supply, common ground; current sized to actual ring.

    Sources & quantity basis

    Creator source. Planning quantity for one build; check the selected configuration.

    No exact purchase link verified; confirm the model and requirements above before ordering.

  9. Qty. 1 eachPlan / confirm
    Required

    LED data-line resistor and power-input capacitor

    Signal/power conditioning.

    Values are not stated by the creator; establish them from the selected ring and wiring.

    Sources & quantity basis

    Creator source. Planning quantity for one build; check the selected configuration.

    No exact purchase link verified; confirm the model and requirements above before ordering.

  10. Qty. SetPlan / confirm
    Required

    USB cables and wiring

    Pi, Arduino, speakerphone and lights.

    Sources & quantity basis

    Creator source. Planning quantity for one build; check the selected configuration.

    No exact purchase link verified; confirm the model and requirements above before ordering.

  11. Qty. 1 setPlan / confirm
    Required

    Pi boot storage and suitable Pi power supply

    Run the backend.

    Sources & quantity basis

    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.

  12. Qty. SetPlan / confirm
    Tool

    Assembly and test tools

    Assemble and check the circuit.

    Soldering iron, solder, wire cutters and multimeter; review the wiring before power-up.

    Sources & quantity basis

    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.

  13. Qty. 1Plan / confirm
    Tool

    Computer for setup

    Build, configure or flash the software.

    Sources & quantity basis

    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.

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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