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Open greenhouse vents from a sensor reading

Temperature readings and LINE commands open and close greenhouse ventilation curtains.

Read the original build See shopping list
Open greenhouse vents from a sensor reading — build photo from the creator’s source
tomiyasu16 · build photo

What the hardware does

An ESP32 and motor drivers open or close greenhouse ventilation curtains using temperature readings and messaging commands.

How the agent helped

The farmer describes working with Codex on component selection, wiring exploration and control code, then testing the system on real greenhouse hardware.

Before you build

DIY field-tested prototype. Requires electrical assembly, motor stopping safeguards and a backend; not safety-certified unattended control.

Follow the build

youcanjustbuildthings.openai.chatgpt.site

Original build story

Creator showcase

x.com

Supporting source

tomiyasu16 · build photo

Shopping list

Save as Markdown

Parts for one build. Reuse equipment you already own. Quantities are planning quantities unless the creator explicitly specifies a count; kit contents are not additional purchases.

Confirm before buying

  • Exact motors, driver count, supply current, stopping safeguards, ESP32 supply conversion and SwitchBot integration remain unspecified. Do not operate unattended from this overview.

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

    ESP32 development board

    Network motor controller.

    Variant 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.

  2. Qty. Not statedPlan / confirm
    Required

    BTS7960 motor-driver modules

    Forward/reverse motor drive.

    Two motors are specified, but driver count and current margin are not; size per the actual wiring and stall currents.

    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

    24 V DC greenhouse roll-up motor

    Vent actuation.

    Torque, current, travel and motor models not supplied.

    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

    24 V DC power supply

    Motor power.

    Capacity must cover the actual startup/stall load; do not infer it from nominal voltage.

    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

    SwitchBot thermometer/hygrometer

    Temperature input.

    Exact model and hub/connection path not disclosed.

    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. 1Plan / confirm
    Required

    Manual control switch

    Local override.

    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.

  7. Qty. SetPlan / confirm
    Required

    Wiring and terminal blocks

    Power and signal connections.

    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. Design requiredPlan / confirm
    Required

    Motor stopping, isolation and protection hardware

    End-of-travel and emergency safety.

    Limits, fusing, cutoff, enclosure and low-voltage power conversion are not detailed in the showcase.

    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.

  9. 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.

  10. 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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