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2 layers83.1 × 42.7 mmNumericDisplays, the printed circuit board in 3D

Infinitely chainable 2.5 digit displays by EEAN

Size
83.1 × 42.7 mm
Copper layers
2
Thickness
1.6 mm
Parts
38
Nets
40
Pads
94
Tracks, vias
156, 113
Pours
1
Routed
Yes
KiCad
KiCad 8.0 (file 20240108)
Created
20 Jun 2024
Updated
15 Jul 2024

Overview

NumericDisplays is an open-source printed circuit board by CC-Ian, from the CC-Ian/InfiDig-Hardware repository on GitHub. It is a 2-layer board of 83.1 × 42.7 mm with 38 parts on 40 nets, routed with 156 tracks and 113 vias.

It is built around the 74HC595. Its parts include 16 resistors, 2 ICs and 2 connectors.

Main components

1

README

README.md

InfiDig Hardware

An infinitely chainable 2.5 digit display made using LED Filaments and 74HC595 shift registers.

Cover Image

Pinout

Pinout

Parts

38
QtyValueFootprintReferences
1622Resistor_SMD:R_0603_1608MetricR1, R2, R3, R4, R5, R6, R7, R8, R9, R10, R11, R12, R13, R14, R15, R16
16TestPointTestPoint:TestPoint_THTPad_D1.5mm_Drill0.7mmTP1, TP2, TP3, TP4, TP5, TP6, TP7, TP8, TP9, TP10, TP11, TP12, TP13, TP14, TP15, TP16
274HC595Package_SO:SOIC-16_3.9x9.9mm_P1.27mmU1, U2
2Conn_01x06_PinConnector_JST_RightAngle:XH-W-06AJ1, J2

The 36 most common of 38 parts.

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Questions

How big is the NumericDisplays PCB?

It measures 83.1 × 42.7 mm and has 2 copper layers, 1.6 mm thick.

What parts does the NumericDisplays use?

38 parts, built around the 74HC595. 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 NumericDisplays KiCad files?

From the CC-Ian/InfiDig-Hardware repository on GitHub, at the commit this page was made from: the board is NumericDisplays.kicad_pcb and its schematic NumericDisplays.kicad_sch. PCBKit opens the board in the browser, with nothing to install.

Can I use the NumericDisplays design in my own project?

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