Next, a matter of taste - you can leave it as it is on "snot", but it is better to hide it in the case. I did it in this way.
In the top cover i have cut a rectangular hole for the LCD display, so that it firmly entered there. One round hole for the encoder and 4 small holes for the keyboard. Collected another keyboard directly on a piece of plastic and all is well filled with hot melt.
The top cover. You can see encoder, LCD display and keypad
Cover looks nice from the opposite side:
The face side looks more decent :)
At the bottom of the box, using hot-melt adhesive attached wooden wedges suitable height and with small screws (can be unscrewed from the old toys) Secure the Arduino and SD module.
The bars are secured by means of hot-melt adhesive. SD module.
The bars are secured by means of hot-melt adhesive. Arduino board and SD module.
The box size is 190x170x70mm. You can use any other case or do without it. From one side i glued plastic plug and cut 3 holes in it. One for USB socket, the second for power jack and last for SD card slot.
Side view. Holes for the USB input, power jack and SD module
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