Clemens Valens
About the article

Touch LEDs for Arduino

A cheap 4×4 Monome shield

Touch LEDs for Arduino
Most of the projects published in Elektor simply provide a solution to a problem or fulfil a need. Even though their designers have often tried to propose an elegant circuit or design an attractive PCB, the aesthetic effect of the project itself, if there is one, usually takes second place. One exception is the Monome open source project, a USB luminous matrix keyboard that was designed to be good-looking. Here, it’s the application that seems to have been relegated to second place.
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Gerber file

CAM/CAD data for the PCB referred to in this article is available as a Gerber file. Elektor GREEN and GOLD members can exclusively download these files for free as part of their membership. Gerber files allow a PCB to be produced on an appropriate device available locally, or through an online PCB manufacturing service.

Elektor recommends its business partner Eurocircuits as the company of choice for its own prototypes and volume production in selected cases.

Extra info / Update
Main Specifications
- 4x4 Monome shield for Arduino
- Open source hardware
- 16 push buttons
- 16 LEDs
- TLC5940NT LED controller
- 12-bit LED brightness control
Component list

R1 = 3.3kohm
C1 = 100nF
D1–D16 = LED, 10mm diam.
IC1 = TLC5940NT
S1–S16 = miniature pushbutton, 6x6 mm, e.g. Omron type B3W1000
2 pcs 6-way SIL pinheader, 0.1" 2.54mm) lead pitch
2 pcs 8-way SIL pinheader, 0.1" 2.54mm) lead pitch
PCB # 090527-1 [1]
Arduino board

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