Touch LEDs for Arduino
A cheap 4×4 Monome shield
Materials
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.
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Extra info / Update
- 4x4 Monome shield for Arduino
- Open source hardware
- 16 push buttons
- 16 LEDs
- TLC5940NT LED controller
- 12-bit LED brightness control
Component list
Resistors
R1 = 3.3kohm
Capacitors
C1 = 100nF
Semiconductors
D1–D16 = LED, 10mm diam.
IC1 = TLC5940NT
Miscellaneous
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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