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Enclosure for battery powered and WIFI controlled elctronic load xy-FZ35 — image 1
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Enclosure for battery powered and WIFI controlled elctronic load xy-FZ35

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A D1 mini Pro V2 is used to control the electronic load and for battery management

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Model information

Category
Electronics
License
Creative Commons — Attribution

Front and back were printed with Prusament PETG (Urban Grey), bottom and top with Overture PETG. In the image shown the raiser_pure.stl was printed with Overture TPU. In order to get a straight fit the size of the “raiser pure.stl” was reduced to 96% in Prusa Slicer. If you want to have the raiser in PETG or PLA I suggest “raiser.stl” (with screw holes, without size reduction).

The back contains mounts for the D1 min Pro and a small eplzon prototype board with a voltage stepup module in order to power the electronic load xy-FZ35 with 5 V. Screw terminals were used for the electric connections.

A 4-pole switch is used for both power and the connection from TX (d1 mini) to RX (xy-FZ35). The latter is necessary if you want to upload programs via USB (if OTA fails) without opening the enclosure. These banana jacks wer used. The LiPo battery was glued with tesa powerbond.

Besides the electronic parts, only some self tapping screws M3 (enclosure and prototype board) and M2 (D1 mini Pro) are required.