Ozirma - near infrared spectrometer

We need your help!

To fund our engineering work on this open-source project, we've decided to use crowdfunding.

1st threshold: 5k€ Mejdi and Vivien will produce engineering drawings, specifications and schematics that will form the basis of OZIRMA_v5's design.

2nd threshold: €30k Mejdi and Vivien go into a technical design tunnel (optics, mechanics, electronics and software) to build/test/test OZIRMA_v5.

The link is here !

Hi there !

It's been a long time !

We got good news; 

Ozirma finally works ! This summer, we were able to access to spectrometers for

a) debug and improve the optical path

b) get real mesures for our samples with a laboratory spectrometer (again, thank you CNRS !)

So, the proof of concept is FINALLY validated ! Here you can see our measurement and the one from CNRS. We can see features for PVC and PS. Cheers !

Vivien and Me had to put the project on pause for few months, but we are back at it since the beginning of the month!

Heavy modification (some upgrade but also many simplifications) of the optcomecanics and electronics is afoot...

Plan is to finish designs of "OZIRMA v2" in March and fab+testing in May/June. 1st pilot production (and test IRL by "independant" partners) during the summer....

Maybe Crowdfunding for this autumn... Anyway release of the sources by the end of the year.

Stay tuned!!

We are happy to share with you our work !

But for now, it is still a "lab notebook" !

Repositories are messy, they need a lot of cleaning !

We will release everything in time (and with a instruction manual), when the improvements are implemented, and Ozirma is stable and ready for manufacturing  !

Dead line is tmr 7am Pacific Time. Luckilly it means 4pm French time ^^!

We have few hours to have a nap and then:

- Finish to consolidate the documentation of OZIRMA (one zip for PCB, for opto-mechanical, the firmware, the software...)

- Finish editing the video

- Finish recording its sounds

- Have at least 10 entries in our project logs... Just one to go!

In Lyon, France, 15 of October was the Pollutech show, dedicated to fighting against waste!

I saw a lot of big actors, and had a lot of discussions about Ozirma !

It is good to see that we are working in the right direction, and that the spectrometer will be useful around the world !

Hey ! It's time to rush !

As a developer, that was my first time shooting a video clip !

What a day !

Fortunatly, good friends are helping, they are doing real magic !

Can't wait to see the result ! (hopefully, before 7th, 16h00 !)

We did rethink and refresh infra-red spectroscopy...

And OZIRMA is designed to be (re)buildable in any Fablab...

Why not try our chances to Hackaday prize 2021?

Reactive Wildcard, a better future! lets go.

Octobre 2021

We got some cool "recognizable" spectra for some plastics. But almost no signal for sample that are too or too translucid (especially thin-film)

While using all the tricks of averaging, denoising and deconvolution we are very close to the limit of detection .

We still need to increase SNR to detect broader spectral bands on opaque plastics and/or see some signal on dark plastics.

What would be the cheaper way? a faster ADC (reducing noise by averaging) or switch to a reflection grating (increasing optical signal)?... We may end up trying both ^^

We also need to modify the geometry of the sample holder to be able to detect thin plastic film (like PET) by retro-diffusion.

September 2021:

First spectra of PP, PS and PE.

NB: Spectra are not completely repeatable and the deconvolution sometime diverges. The aquisition need to be done very slowly (high averaging).

Still some issue with PET, but we have some clues why...

Next R&D session is schedule for end of November!