Building an HMD with no special parts, to make work easier and safer
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The optical design will be the most difficult part, but I think I found a solution for this.
Follow the project logs to see the updates. The costs of the prototype amounted to 70Euros.
Video of the working device
Link to the video and Link to the video in German
One of the Prototypes
I'm really feeling pissed off, when I see people using my designs and try to sell them as their idea.
This guy makes a nearly 100% copy of my Data Glass and only after I send him an email he added "inspired by Alain^s Projects". just inspired, really ???????
I think that's not the way open source should work. If you use the work of someone else, the minimum is to mention this person and set his website link in the description.
The only thing which calms me down, is that it is still my invention and other people will know it.
Hi, the lens is still the problem, because it is not easy to find.
I think, I found a good alternative. A small Fresnel lens. Easy to find, cheap and you can cut it with a pair of scissors.
Hopefully I will find the time to test it.
The focal length is about 110mm, with should be fine.
The new displays just arrived. Will build a smaller version.
I think I will start a new project for this.
Thinks to do:
Finally, all fits together.
Now a nice video of it, a full description and I'm done.
I needed to change the LiPo batteries. I use now a smaller, 280mA, instead of the 330mA. For this I had to change the resistor in the charger circuit. It's 3k smd part. I soldered a normal resistor with the value of 5.6k in place to reduce the charging current to 200mA.
Until now, I heated the reflection screen and bent it to 45 degrees. To make the construction easier I printed a new holder. In the picture, you can see the difference
I finally start handling the 123Design software and my 3d Printer.
I was totally focused on my cardboard design enclosure, but at the end, I had to redesign the glasses due 3d print problems. Now you can adjust the reflection screen, to get the best view.In the next few days I'll test the electronic with the new LiPo, but I'm still waiting for the lenses.
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I finally printed out the covers for the enclosure. The mirror and the lens are mounted with all the electronics. All fits in, and it works great. This one has a lens with a focal point of 100mm.
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All in. The controller, bluetooth, display, charger and the LiPo Batterie.
I just bought me a 3d Printer, and this is the first enclosure for my Dataglasses.
The lens was a tricky thing. I had not really an Idea about optics. So I googled and googeld, and I learned a lot about real images, virtual images focal points, and magnification. The best working lens is an Acrylic Plano convex lens with a focal point of 100mm. If you place the screen at a distance of 73mm from the lens away, you will get a virtual image at a distance between 27-30cm. The magnification factor is x3
That's perfect, because another important thing is, that your eyes can only start focusing things at +-25 cm
I found this website to calculate the object distance.
http://hyperphysics.phy-astr.gsu.edu/hbase/geoopt/image4.html
Here are all the parts for the data glasses
I just used a smaller battery.
To use the 280mA battery, I had to change the 3k resistor against a 5.6k resistor on the original board. The charging current is now reduced to +- 200mA.
Sir, can I get source code please?
my email - kokonaung.kn007@gmail.com
¿Me pueden enviar el código para Arduino? Este proyecto es muy sorprendente y creo que se puede usar en otras áreas de la ingeniería.
Mi correo electrónico es:
Thanks
Hola, excelente proyecto, me podrías compartir el código este es mi correo. muchas gracias.
Hola amigo, ¿te envío el código el señor de las gafas?.
Hola señor Alain, entiedo que esta enojado con la persona que copio su proyecto y no le del crédito que usted merece es total mente injusto y se comprende el porqué de su enojo hablo por mi pero se que al igual que yo muchos de los que le un escrito incluido el mismo sentimiento de apoyo hacia usted, también le escribo para pedirle si puedo compartir el código de su proyecto para poder implementarlo para mi uso diario le agradezco y ofrezco mis disculpa ante cualquier molestia que le aya generar un abrazo excelente proyecto, en tiempos de coronoavirus lejos pero juntos quedarse en casa. david0517@hotmail.com
Hi Mr Alain, any chance you could email me the code to this project? I'm really keen to build this project myself, as I'm new to working with Arduino projects
keeganbarnard444@gmail.com
Do you think this could be adapted to healthcare workers on the front line? Using:
a. Some type of non-contact thermometer
b. Barcode scanner to bring up patient data
c. Software to show data concerning the patient.
d. Be up-gradable in the software and what data it can show as soon as testing is completed.
Hello Mr. Alain, thats a realy usefull fantastic project, i wasn't able to find the completed code, may you send by e-mail, thank you.
hi mr. I am a college student in the state of Maryland, we are currently working in class on a project to do smart glasses and you were the inspiration. Please if you can send us the code so that we can continue to advance forward in our project, thanks. My email is jnarmouq@gmail.com
Hello mr.gentelman, My name is Robert Wilson
im from aussie land
i came here for the code
please can i have it need it for a project(i really need this as soon as possible)
Hey mr..can I get the code pls for my final year project studies,
Hey mr..can I get the code pls for my final year project studies, aqilsiddiq33@gmail.com
Hello,
I am a Computer Science Specialist intrigued by your design you have, I would love to improve this project and have many ideas on how to do so. If you would like to talk, email me at joshua@matrixxmedia.net
Hi,
Fantastic project. I'm in the process of making one of these. It will be for the OW18B (less expensive meter), which uses a 6-byte data stream, but essentially the same. I do have a question and a comment.
First the question: If I substitute a Fresnel lens from a small magnifier like you show, do you think I'll need to change the distances from the display to the lens, or lens to the eye?
And one comment on your Bluetooth command list on hackster.io: I'm using an HM-11 BT module, and some of the commands you show didn't work, or didn't work as typed. What I settled on was:
Commands to issue one time:
AT+ROLE1
AT+RESET (not sure if it's really needed)
AT+SHOW1
AT+IMME0
AT+MODE1
AT+DISC?
And then when the actual project starts from then on, it seems like I only need to issue:
AT+CON[mac address]
Some of the commands you listed (AT+FILT0 AT+CONE0) might work with other BT modules, but didn't happen to work with the HM-11 I received. Maybe a typo? Not a complaint, just a note in case others are following along and hitting the same issue I did.
But really a fantastic job.
Found another design giving you zero credit. https://www.thebetterindia.com/146728/hearing-glasses-google-transcribe-deaf-delhi-madhav-lavakare/
could I get the code for this project? email abovegraff@gmail.com
If I am able to make one of these I will probably move the battery to the other side of my glasses and will either slim down the back of the enclosure as much as possible or omit it entirely and just epoxy dip it. I always use super light weight glasses and believe that moving the battery to the other side should counterweight it and allow me to use a slightly larger battery.
my purpose would be for a general purpose HUD that would sync with phone to provide web scraped data. Also thinking that a small laser range finder module could be interesting to add. My multimeters are unfortunately in the 25-50$ range and lack BT functionality.
Also posted on the GitHub Im using a hc-10 Bluetooth module and the glasses receive a signal CONN and when i view the serial monitor I receive unrecognizable numbers and letters. My Multi Meterworks flawlessly with the android and apple apps. I have been on this for about 2 days playing with the Bluetooth AT Commands, any help would be great. I will buy a HC-11 on Monday.
Hi, i really love your project, can you send me please the Arduino code? Is for a school project.
Alain Mauer
eimer.josh0
Hi, i am so impressed about YOUR job. I´d like to take inspiration in your job, and make it usefull in another sciencies, i am studying maths and maybe in the future we could innove, could you please me send me an email with the code?
alanolvera1234@hotmail.com