8052.zip

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2 layer board of 3.81x1.91 inches (96.67x48.41 mm).
Shared on March 22nd, 2017 16:05.

Simple 8052 controller with 16K ROM. Have not been tested as of yet.

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HDSP display board.zip

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2 layer board of 2.01x2.21 inches (50.95x56.06 mm).
Shared on March 13th, 2017 11:17.

HDSP-K511 LED display board. Uses 7447 chip to drive two displays 1-4 selects display. This has not been tested.

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2 layer board of 9.41x3.21 inches (238.91x81.46 mm).
Shared on December 25th, 2016 20:23.

LTP-2558AA display board with HT1632c. This design uses only the RED LED only.

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2 layer board of 2.71x2.71 inches (68.76x68.76 mm).
Shared on December 13th, 2016 12:19.

8052 RTC board with DS12887. This is V1.0 and has not been tested. So use at your own risk.

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