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Revision history

This page is made to show which previous versions have been made. It gives you an idea where we came from, what we changed and what worked and what didn't. Entries are listed from new to old.

Development board 2.1 (DB2.1)

development board 2.1

Well documented, easy to contribute PCB, ready for tests and improvements!

ItemDescription
🌈 CodenameBlue
📆 Release dateMarch 2022
🦄 PeopleJure Vidmar and Jerry de Vos
🔗 Source filesCan be found here
⌚ Development time1 months
🎉 The Good- KiCad documentation
- Mounts for LED test
👹 The Bad- Board requires a computer to work

Schematics, pinout, Bill of Material, Technical drawing
Build instructions

Development board 2.0 (DB2.0)

development board 2.0

Proper version of the breakout board, with Arduino!

ItemDescription
🌈 CodenameBeige
📆 Release dateJune 2021
🦄 PeopleJure Vidmar and Jerry de Vos
🔗 Source filesCan be found here
⌚ Development time3 months
🎉 The Good- Good debugging, like the logic analyzer actually plugs directly in
- Proper schematics
👹 The Bad- Marking on the PCB can be better
- Board required a computer to work

Schematics, pinout, Bill of Material, Technical drawing
Build instructions

Breakout board

breakout board

Small version of the development board 1

ItemDescription
🌈 CodenameBreakout board
📆 Release dateNovember 2020
🦄 PeopleJerry de Vos
🔗 Source filesCan be found here
⌚ Development time4 months
🎉 The Good- Compact shape, but 0806 components
- Board breaks in half and can be stacked
- ADC controls demultiplexer
- Decicated mosfets and demultiplexer for LEDs
👹 The Bad- No stable 5v
- Opamp not connected to ref voltage
- Ref voltage lines switched
- Difficult to debug
- Bad schematics

Development board 1.0 (DB1.0)

development board 1.0

First printed circuit board with the sensor side the same as the ReReMeter, but added connections for the Raspberry Pi and a ESP32. Used bigger 0806 SMD components

ItemDescription
🌈 CodenameAqua
📆 Release dateApril 2020
🦄 PeopleJerry de Vos
🔗 Source filesCan be found here
⌚ Development time6 months
🎉 The Good- Separation between sensing and processing
- Bigger components, easier to solder
- Testpads for debugging
- Fool proof assembly
- Qwicc connector to easily add display
👹 The Bad- Missing button for interaction
- Bad schematics

ReReMeter

reremeter

The Plastic Scanner project started out as a fork of the ReReMeter. The ReReMeter already contains most of the critical parts of the Plastic Scanner, It is an STM32 based board that can flash infrared LEDs sequentially and measure the reflectance with an InGaAs sensor.

ItemDescription
🌈 CodenameReReMeter
📆 Release dateDecember 2019
🦄 PeopleArmin straller and Bernhard Gessler
🔗 Source filesCan be found here
⌚ Development time6 months
🎉 The Good- Board was small and compact
- Good enough to prove principle and write a paper about
👹 The Bad- Board was difficult to replicate due to the small 0402 components.
- Board required a computer to work