ScarlettScroller

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Revision as of 21:31, 19 March 2022 by Bertrik (talk | contribs)

This page is about a lichtkrant, bought by flok.

Hardware

It has of 16 blocks of 5x8 LEDs, for a total of 80x8 LEDs. It is unknown if it's monochrome (just red) or two-color (red + green).

The electronics consist of two parts: a controller board and a LED board.

The LED board has the following ICs:

  • SN74HC138: 3-to-8 line decoder/multiplexer
  • SN74HC04: 6 inverters
  • 10x SN74HC164: 8-bit parallel-out serial shift registers

The boards are connected through a 10 pin connector. There is also a 5V connector.

Connector

Pinout:

  • pin 1: nc ?
  • pin 2: SCLK
  • pin 3: R
  • pin 4: G
  • pin 5: B
  • pin 6: A
  • pin 7: D
  • pin 8: C
  • pin 9: GND
  • pin 10: GND