The project consists of building a mini arcade whose main screen is circular.
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As sound output I am going to use a USB-3.5 minijack converter connected to the Raspberry Pi3. The mini Jack installed on the unit itself causes a lot of interference. I have followed the tutorial in this video to configure the USB output before that of the card itself.
Retropie user: Pi
Psw: Raspberry
Commands: view the video
Remember reboot the pi3 after the save the file
I used to the test this product
I have been trying another lens with higher magnification, but the result is still outside my expectations.
I bought this lens to see its effect and even though it appears in the product description x10. I have to move the lens too far away so that it covers the entire diameter. I have to try another one
I forgot to comment because I use a 2.5" screen and a lens. Basically for a universal reason. Money!
146€ 5"!!!!!!
Before deciding to start the project. I was doing tests to be able to connect the round screen with the Raspberry through the GPIO.
Use an original copy of retropie and the instructions to configure the screen on the following web page which in turn mentions a repository with the necessary drivers.
Placing a magnifying glass between the object and the eye allows the object to be brought closer to the eye, and the eye can focus on the virtual image formed, preferably at the clearest viewing distance. The regular magnification, M, is the ratio between the angle θ' subtended by the image and the angle θ subtended by the object.
A magnifying glass is any positive lens with a focal length less than 250mm. The approximate magnification M provided by the lens is calculated by dividing its focal length by 250.
Equation: M= θ'/θ =(250mm/f)
M=250mm/25mm = x10
I want try with this product. X10 Diameter 75mm with 2.5cm of distance between the display & lens
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