2 layers140 × 70 mm ExpBoard, the printed circuit board in 3D

ExpBoard

Size: 140 × 70 mm
Copper layers: 2
Thickness: 1.6 mm
Parts: 69
Nets: 92
Pads: 249
Tracks, vias: 591, 1
Pours: 2
Routed: Yes
KiCad: KiCad 4
Created: 12 Jan 2018
Updated: 25 May 2018

Overview

ExpBoard is an open-source printed circuit board by ourfool, from the ourfool/kicad repository on GitHub. It is a 2-layer board of 140 × 70 mm with 69 parts on 92 nets, routed with 591 tracks and 1 via.

It is built around the 74LS248PC and 74HCT00D. Its parts include 34 resistors, 12 diodes, 7 connectors, 5 ICs and 4 switches.

Main components

README

README.md

kicad

Parts

Qty	Value	Footprint	References
26	470	Resistors_ThroughHole:R_Axial_DIN0207_L6.3mm_D2.5mm_P10.16mm_Horizontal	R1, R2, R11, R15, R16, R17, R18, R19, R20, R21, R22, R23, R24, R25, R26, R27 +10
12	LED	Diodes_ThroughHole:D_A-405_P2.54mm_Vertical_KathodeUp	D1, D2, D3, D4, D5, D6, D7, D8, D9, D10, D11, D12
8	10k	Resistors_ThroughHole:R_Axial_DIN0207_L6.3mm_D2.5mm_P10.16mm_Horizontal	R3, R5, R7, R8, R10, R12, R13, R14
4	SWITCH_INV	Pin_Headers:Pin_Header_Straight_1x03_Pitch2.54mm	SW1, SW2, SW3, SW4
2	74HCT00	Housings_DIP:DIP-14_W7.62mm	U3, U4
2	74LS248	Housings_DIP:DIP-16_W7.62mm_Socket	U1, U2
2	7SEGMENTS	Displays_7-Segment:7SegmentLED_LTS6760_LTS6780	AFF1, AFF2
2	CONN_01X04	Pin_Headers:Pin_Header_Straight_1x04_Pitch2.54mm	P2, P3
2	CONN_01X06	Pin_Headers:Pin_Header_Straight_1x06_Pitch2.54mm	P1, P5
2	DIL14	Housings_DIP:DIP-14_W7.62mm	P4, P7
1	CONN_01X05	Pin_Headers:Pin_Header_Straight_1x05_Pitch2.54mm	P6
1	DC	expBoard:DC	U5
1	LOGO	expBoard:lablogo	G***

The 65 most common of 69 parts.

Questions

How big is the ExpBoard PCB?

It measures 140 × 70 mm and has 2 copper layers, 1.6 mm thick.

What parts does the ExpBoard use?

69 parts, built around the 74LS248PC and 74HCT00D. 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 ExpBoard KiCad files?

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

Can I use the ExpBoard design in my own project?

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

Project files

Show this board on your page

A live frame, for any web page

<iframe src="https://pcbkit.io/embed/boards/ourfool-kicad-expboard" title="ExpBoard in PCBKit" width="100%" height="480" style="border:0;border-radius:12px" allow="fullscreen" loading="lazy"></iframe>

A picture

<img src="https://pcbkit.io/embed/boards/ourfool-kicad-expboard.jpg" alt="ExpBoard" width="1200" height="900">

A picture that opens the board, for a README

[![ExpBoard](https://pcbkit.io/embed/boards/ourfool-kicad-expboard.jpg?size=s)](https://pcbkit.io/boards/ourfool-kicad-expboard)

Source

Repository: ourfool/kicad
Board file: expBoard/expBoard.kicad_pcb
Commit: 9ec06b2
Licence: Not stated

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