Shared projects

4chord MIDI Piano

by sgreg.

2 layer board of 2.95x3.34 inches (74.90x84.79 mm).
Shared on August 19th, 2017 19:30.

The 4chord USB MIDI Keyboard in Piano shape. Play all them major hit pop songs with a simple press of four buttons.

Built around an ATmega328P with a Nokia 5110 LCD and the V-USB library, 4chord MIDI acts like any other, regular MIDI instrument.

PCB was designed with KiCad and released under the CERN Open Hardware Licence version 1.2.

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Nokia 5110 LCD Breakout Board Rev.A

by sgreg.

2 layer board of 1.75x1.78 inches (44.48x45.16 mm).
Shared on June 27th, 2017 01:08.

Proof of concept PCB.

You’ll need a real Nokia 5110 LCD breakout board to have an actual LCD so you can use this one. In other words, there’s not much sense in ordering this other than curiosity.

Main goal is to be able to integrate the Nokia 5110 / 3310 LCD into your own KiCad PCB designs. Check the hackaday.io project page for more details, instructions and additional links.

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ATmegaX8 Protoboard Rev.B

by sgreg.

2 layer board of 0.85x2.14 inches (21.49x54.25 mm).
Shared on May 20th, 2017 11:18.

A simple, no fuzz ISP connector board for ATmega48/88/168/328 microcontrollers in DIP28 packages for breadboarding and standalone usage

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