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2 layers50 × 50 mmLed circle, the printed circuit board in 3D

Led circle

jjrh/led_circle

Kicad pcb for a LED encoder

Size
50 × 50 mm
Copper layers
2
Thickness
1.6 mm
Parts
26
Nets
29
Pads
88
Tracks, vias
299, 25
Routed
Yes
KiCad
KiCad 4
Created
14 Jun 2015
Updated
8 Jul 2015

Overview

Led circle is an open-source printed circuit board by jjrh, from the jjrh/led_circle repository on GitHub. It is a 2-layer board of 50 × 50 mm with 26 parts on 29 nets, routed with 299 tracks and 25 vias.

It is built around the TLC5940PWP. Its parts include 16 diodes, 3 resistors, 1 IC and 1 connector.

Main components

1

Parts

26
QtyValueFootprintReferences
16LEDw_indicators:led_5mm_redD0, D1, D2, D3, D4, D5, D6, D7, D8, D9, D10, D11, D12, D13, D14, D15
210kResistors_ThroughHole:Resistor_Horizontal_RM10mmR1, R3
12.2kResistors_ThroughHole:Resistor_Horizontal_RM10mmR2
1CONN_11Pin_Headers:Pin_Header_Straight_1x11P1
1Encoder_switchw_misc_comp:encoder_alps-ec12dE1
1TLC5940Housings_DIP:DIP-28_W7.62mmU1

The 22 most common of 26 parts.

Questions

How big is the Led circle PCB?

It measures 50 × 50 mm and has 2 copper layers, 1.6 mm thick.

What parts does the Led circle use?

26 parts, built around the TLC5940PWP. The full list of its parts is on this page, with links to each part's symbol and footprint where PCBKit's library has them.

Where can I download the Led circle KiCad files?

From the jjrh/led_circle repository on GitHub, at the commit this page was made from: the board is led_circle.kicad_pcb. PCBKit opens the board in the browser, with nothing to install.

Can I use the Led circle design in my own project?

Its repository states no licence, so its author keeps all rights: ask jjrh before reusing the design.

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