Case for LILYGO TTGO T5 v2.3
Description
Case for LILYGO TTGO T5 v2.3, VPN-themed This is a case for the LILYGO TTGO T5 v2.3 ESP32 microcontroller board. It was originally developed as part of a VPN remote control project. As such, it features a lock symbol and the illustration of an eye. ## Mechanical Features **Lid:** The case has a sliding lid on the back through which the microcontroller board can be inserted and removed. The lid is held in place by a pin. The pin unlocks when the lid is bent outward. **Buttons:** The case has interfaces to 2 of TTGO T5's buttons. The lid features a cover for the button that is connected to channel IO39. The cover is connected to the case by a living hinge, avoiding any additional assembly. The case also provides an interface for the board's on/off slider. The slider is a removable part of the assembly, but stays in place thanks to a groove in the case's body once the board is assembled. ## Assembly Notes With the case, the TTGO T5 can be either used with a USB connection alone, or with a small LiPo battery. There is space for a 80 mAh battery in the case (search for model number 301525). There are 6 cylindrical support pins that help the assembly stay in placing during printing. After printing, you need to remove the 3 pins to separate the model into its 3 parts. If printed with PA 12, these pins should be easy to cut with scissors, a knife, or simply bending until they break. To make sure all components slide and fit neatly, you should grind down any leftovers of the pins. Once all components are separated, push the on/off slider component onto the on/off switch, insert the board into to case, and slide the lid shut. Optionally, the case can be mounted on surfaces by means of double-sided tape. ## Code and Additional Details You can find code and additional details in the vpn_remote_control_gadget [GitHub repository](https://github.com/flrs/vpn_remote_control_gadget). The repository also contains the original FreeCAD files. ## Credits The eye illustration on the back of the lid is part of Samuel Jessurun de Mesquita's print "Zelfportret van alleen de ogen" (public domain, see [here](http://hdl.handle.net/10934/RM0001.COLLECT.209046)).
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