Team:UNESP Brazil/Contribution

Model


HOW TO BUILD OUR HARDWARE

     To build a light intensity capture device like ours, you must use the materials listed in Table 1.

     The arrangement of components follows the image below (1). On the left, there are the excitation and capture modules formed by light intensity sensors, a cuvette and its connectors, and up to 5 LEDs connected to the device’s circulation module. On the right, the connections between the Arduino nano, 12V pump, P4 connector, 12V fan, sensors, and LEDs are made with the aid of Breadboards.

Image 1. Cross-section of the device with an emphasis on the internal components.

     Image 2 shows how connections made on the Arduino nano using jumpers should be made. Output D13 is used for an internal LED, outputs A4 and A5 for connection to luminous intensity sensors and output D3 is used to control the peristaltic pump.

Image 2. Connections made with Arduino nano, luminous intensity sensor, and LEDs.

     The breadboard lists the connections between all components with Arduino. Using the jumpers, you must follow the following scheme presented in Image 3 for the connections.

Image 3. Connection diagram with the breadboard.

     Joining the circulation module to the rest of the device, the 5-pin connectors must be used to ensure easy removal and cleaning of the device without the need to change the internal connections with the breadboard, as shown in Image 4.

Image 4. Connection diagram between circulation modules and capture and excitation modules.

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STL FILES TO DOWNLOAD

    Click Hereto download STL files and 3D printable device’s parts.


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