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2 layersBaseWideBand, the printed circuit board in 3D

First Wideband O2 Controller for Bosch LS 4.9 Sensors

Copper layers
2
Thickness
1.6 mm
Parts
5
Nets
5
Pads
11
Tracks, vias
14, 0
Routed
Yes
KiCad
KiCad 6 (file 20211014)
Created
21 Apr 2022
Updated
21 Apr 2022

Overview

BaseWideBand is an open-source printed circuit board by alpauna, from the alpauna/WidebandO2One repository on GitHub. It is a 2-layer board with 5 parts on 5 nets, routed with 14 tracks and 0 vias.

It is built around the VR10S05, RUEF600 and UMJ325KB7106KMHT. Its parts include 2 capacitors, 1 diode and 1 fuse. It belongs with the sensors and measurement boards of this library.

Main components

3

README

README.md

WidebandO2One

First Wideband O2 Controller for Bosch LS 4.9 Sensors. I hope to add more complex controllers in the future that is why I named it "WidebandO2One" Also, because it is going to control only one sensor. I plan on a two as well and will add that to my Megasquirt projects.

Key Elements

  • Uses ATTiny 1626 micorprocessor as the micro as they are cheap and easy to program. It is using the Arduino code base.
  • Wideband O2 blog here for more details.
  • Uses the Bosch CJ125 controller chip as the basis of sensor control.
  • More to come as project expands into my 99 Ford F150 project.

So far, I only have the schematics done. Code to follow shortly, but loosely based on Arduino shield code from here.

Note: All Schematics are written in KiCad.

Works Only With LS 4.9 sensors

  • However, with some rework it will work with 4.2 Sensors, but I am not sure why one would use 4.2

Parts

5
QtyValueFootprintReferences
1C1812C206K3RLCAUTOsama:CAPC4532X370NC2
1RUEF600sama:RUEF600F1
1UMJ325KB7106KMHTsama:CAPC3225X280NC1
1V8PAN50-M3_Isama:V8PAN50M3ID1
1VR10S05sama:VR10S05PS1

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Questions

What parts does the BaseWideBand use?

5 parts, built around the VR10S05, RUEF600 and UMJ325KB7106KMHT. 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 BaseWideBand KiCad files?

From the alpauna/WidebandO2One repository on GitHub, at the commit this page was made from: the board is Schematics/BaseWideBand/BaseWideBand.kicad_pcb and its schematic Schematics/BaseWideBand/BaseWideBand.kicad_sch. PCBKit opens the board in the browser, with nothing to install.

Can I use the BaseWideBand design in my own project?

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