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2 layers51.4 × 24.1 mmMiniflex, the printed circuit board in 3D

A modular solution for sightless navigation

Size
51.4 × 24.1 mm
Copper layers
2
Thickness
1.6 mm
Parts
5
Nets
12
Pads
29
Tracks, vias
61, 0
Routed
Yes
KiCad
KiCad 5 (file 20171130)
Created
14 Jan 2019
Updated
14 Jan 2019

Overview

Miniflex is an open-source printed circuit board by marcusbarbu, from the marcusbarbu/Toph repository on GitHub, published under the MIT licence. It is a 2-layer board of 51.4 × 24.1 mm with 5 parts on 12 nets, routed with 61 tracks and 0 vias.

It is built around the MCP4901-E/P and HC-SR04. Its parts include 3 ICs and 2 connectors.

Main components

2

README

README.md

Toph

What is it?

  • Final project for ECE-UY 4144 Intro to Embedded Systems Design.
  • A modular solution to wall sensing

How?

  • Miniflex contains the physical modules used in the Toph system.
  • Toph is written in C using minimal Arduino-specific syntax and macros.
  • Toph is extendable. New modules can be added with a single line of code.

Why?

  • An exercise in embedded design, from hardware to software.

Parts

5
QtyValueFootprintReferences
1Conn_01x02_FemaleConnector_PinSocket_2.54mm:PinSocket_1x02_P2.54mm_VerticalJ2
1Conn_01x07_FemaleConnector_PinSocket_2.54mm:PinSocket_1x07_P2.54mm_VerticalJ1
1HC-SR04Ultrasonic:XCVR_HC-SR04U2
1MCP4901Package_DIP:DIP-8_W7.62mm_SocketU1
1TS912Package_DIP:DIP-8_W7.62mm_SocketU3

Questions

How big is the Miniflex PCB?

It measures 51.4 × 24.1 mm and has 2 copper layers, 1.6 mm thick.

What parts does the Miniflex use?

5 parts, built around the MCP4901-E/P and HC-SR04. 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 Miniflex KiCad files?

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

Can I use the Miniflex design in my own project?

Its repository publishes it under the MIT licence: you may reuse it on that licence's terms (keep the author's notice, and for a copyleft licence share your changes alike).

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