At Grindfest, I scrambled to build a usable, if shoddy board assembly. I spent considerable time making my wires as short as possible and soldering with insufficient light. I did my best to arrange the four boards to lie as flat as possible. I sandwiched the power-harvesting board between the coil and the microcontroller board, flat against the microcontroller board, bottom to bottom. The two LED boards sat atop the coil, so the entire device was only 6.6mm thick. I drafted a 3D model of a cylinder that would cover everything to make a mold, but we never got to cast it in biosafe resin.
The rest of the posts for this project have been arranged by date.
First time here?
Completed projects from year 1
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Completed projects from year 3
Completed projects from year 4
Completed projects from year 5
Completed projects from year 6
Completed projects from year 7
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Completed projects from year 9
Completed projects from year 10
Completed projects from year 11
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Disclaimer for http://24hourengineer.blogspot.com and 24HourEngineer.com
This disclaimer must be intact and whole. This disclaimer must be included if a project is distributed.
All information on this blog, or linked by this blog, is not to be taken as advice or solicitation. Anyone attempting to replicate, in whole or in part, is responsible for the outcome and procedure. Any loss of functionality, money, property, or similar, is the responsibility of those involved in the replication.
All digital communication regarding the email address 24hourengineer@gmail.com becomes the intellectual property of Brian McEvoy. Any information contained within these messages may be distributed or retained at the discretion of Brian McEvoy. Any email sent to this address, or any email account owned by Brian McEvoy, cannot be used to claim property or assets.
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This blog, including pictures and text, is copyright to Brian McEvoy.
2026-05-22 I assembled a couple of light rings, a power harvesting coil, and a microcontroller demo board to make a slapdash implant. The whole unit was only 6.6mm thick, which was excellent for off-the-shelf parts. We never coated it, unfortunately, but I have a better unit for testing until I have REV02 ready.
 |
| A compact unit getting wireless power and data |
The rest of the posts for this project have been arranged by date.
First time here?
Completed projects from year 1
Completed projects from year 2
Completed projects from year 3
Completed projects from year 4
Completed projects from year 5
Completed projects from year 6
Completed projects from year 7
Completed projects from year 8
Completed projects from year 9
Completed projects from year 10
Completed projects from year 11
Completed projects from year 12
Disclaimer for http://24hourengineer.blogspot.com and 24HourEngineer.com
This disclaimer must be intact and whole. This disclaimer must be included if a project is distributed.
All information on this blog, or linked by this blog, is not to be taken as advice or solicitation. Anyone attempting to replicate, in whole or in part, is responsible for the outcome and procedure. Any loss of functionality, money, property, or similar, is the responsibility of those involved in the replication.
All digital communication regarding the email address 24hourengineer@gmail.com becomes the intellectual property of Brian McEvoy. Any information contained within these messages may be distributed or retained at the discretion of Brian McEvoy. Any email sent to this address, or any email account owned by Brian McEvoy, cannot be used to claim property or assets.
Comments to the blog may be utilized or erased at the discretion of the owner. No one posting may claim property or assets based on their post.
This blog, including pictures and text, is copyright to Brian McEvoy.
2026-05-22 I assembled a couple of light rings, a power harvesting coil, and a microcontroller demo board to make a slapdash implant. The whole unit was only 6.6mm thick, which was excellent for off-the-shelf parts. We never coated it, unfortunately, but I have a better unit for testing until I have REV02 ready.
|
| A compact unit getting wireless power and data |
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