Attiny13 Charlieplexing

by openidev.

2 layer board of 0.80x0.80 inches (20.35x20.35 mm).
Shared on April 11th, 2015 20:42.

Mini led Matrix 5x4

Youtube presentation

all_three top bottom

Based on attiny13 controller

Github source

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StarSeq'R Eighty-Eight (v2.3): A tribute to LiteLab L-8000 and Diversitronics MLS-8

by n0mjs710.

2 layer board of 6.40x4.15 inches (162.59x105.44 mm).
Shared on April 11th, 2015 19:10.

Dance Floor Lighting Controller as a tribute to vintage units from LiteLab and Diversitronics. Operates 64 lights in an 8x8 matrix, just like the originals. The project “core” is an Arduino Pro Mini.

A MCP23S17 & MOSFET driver board to power LEDs with the system is located here:

https://oshpark.com/shared_projects/ZkcYL0bz

Breakout boards for piranha LEDs are located here:

https://oshpark.com/shared_projects/xaTP3Xtc

A MCP23S17 and SSR driver board for controlling AC light bulbs is located here:

https://oshpark.com/shared_projects/9E7VqS0A

If you really want to build one of these, find me online and I’ll share the code. My username isn’t hard to track down.

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MCP23S17 8x8 MOSFET Matrix Driver

by n0mjs710.

2 layer board of 3.80x2.01 inches (96.52x51.13 mm).
Shared on April 11th, 2015 19:10.

Uses the MCP23S17’s 16 I/O lines to address a matrix of 64 LEDs. Connectors are broken out so that there are 8 busses of 8 LEDs each.

Piranha LED carrier boards for use with this board are located here:

https://oshpark.com/shared_projects/xaTP3Xtc

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ESP-USB21

by jmariuse.

2 layer board of 0.62x1.08 inches (15.82x27.38 mm).
Shared on April 11th, 2015 17:58.

ESP8266 USB power + breakout/DS18B20/DHT11

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96Boards LS-to-IDC Adapter (HiKey)

by ChrisTyler.

2 layer board of 2.48x0.96 inches (62.99x24.43 mm).
Shared on April 11th, 2015 16:54.

Adapter for the 96Boards.com low speed (LS) header to 40-pin IDC socket, to permit connection to a ribbon cable (usually to a breadboard). This “Alpha 1” version is pretty tight to the connector, occludes one of the 96boards mounting points, and has wonky routing (blame the autorouter) but works for me (tested on a HiKey, should work on other boards). Note that the IDC header can be placed on the same side or the opposite side of the board from the LS header; placing it on the same side keeps pin 1 as pin 1, where placing it on the opposite side swaps the even and odd pins (1<->2, 3<->4). I’m working on a smaller board with a better connector placement.

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