May 302010
 

During Hackday I worked on a display for the Stabby ID.

I have six or so HDSP 2111 units lying around. They also come in green and red led models.

Read on for Schematic and Demo Arduino Source

Requirements:

1 HDSP 211x LED Display
1 SN74LS595N Low Current Shift Register
1 Arduino compatible board
1 current reference capacitor ( just for safety )

Schematic:

Source:

 Posted by at 7:53 pm

  3 Responses to “Working with the HDSP 2111”

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  1. dox_dropped();

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