HUB75

![Example image][./example.jpg]

Library for controlling the cheap RGB Displays with the interface colloquially known as hub75 together with embedded-graphics & embedded-hal impls in rust.

Currently only supports panels with a resolution of 64x32 (tested on panel "P3-(2121)64*32-16S-D10").

See (rpi-rgb-led-matrix)[https://github.com/hzeller/rpi-rgb-led-matrix/blob/master/wiring.md] for hookup instructions. Pinout: ![Hub 75 interface][./hub75.jpg]

Problem Solving

• It flickers

  Reduce the bits for the color output, call the output method more often or use a faster micro

• Some colors aren't displayed correctly/not at all

  If one of the rgb components after gamma correction has less than the provided bits, it isn't shown at all. For example, when using 3 color bits, having a value less than 124 leads to nothing being shown (as it's then gamma corrected to 31, which is less than 1<<5).

License

Licensed under either of

• Apache License, Version 2.0 (LICENSE-APACHE or http://www.apache.org/licenses/LICENSE-2.0)
• MIT license (LICENSE-MIT or http://opensource.org/licenses/MIT)

at your option.

Contribution

Unless you explicitly state otherwise, any contribution intentionally submitted for inclusion in the work by you, as defined in the Apache-2.0 license, shall be dual licensed as above, without any additional terms or conditions.