I discovered an error with my screen wire chart opened a known-good tagger to investigate. During that search, I found another tagger with unlabeled wires, so I opened that one too. I fixed the chart and labeled the wires, then tackled the last screen, which went smoothly compared to the errors I unearthed in my previous work.
I needed to attach the headphone adapters, which were simpler than other external components but required sanding down their corners to fit between the battery holder and screen mount. On a couple of them, the wires did not fit through the hole cleanly, so I bored them out with a razor knife.
I finished assembling one tagger. I still have to set the voltage, plug in a microcontroller, and fix everything that does not work. More importantly, I realized that the level of work necessary for these taggers is unreasonable to expect of most people. However, if I designed a printed circuit board and assembly instructions, it would be cost-effective and approachable.
I wired another tagger, which went well despite some wires being too short. I spent the rest of the day updating two pages of schematics, including the core drawing and the one with the prototype PCB.
I finished soldering the last three taggers. By this point, I learned the necessary techniques to make them go well, and I tackled the trickiest cases early, so it was smooth sailing. The troubleshooting comes next and should take a few days.
Pillars of Creation creator Aaron Wroblewski suggested Event Horizon (1997) and talked about the similarities between his comic and the classic sci-fi horror movie. Most of the Critical Affection crew did not enjoy the film, but we also highlighted the parts we did.
The rest of the summary posts 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.
![]() |
| All five screens in place |
I needed to attach the headphone adapters, which were simpler than other external components but required sanding down their corners to fit between the battery holder and screen mount. On a couple of them, the wires did not fit through the hole cleanly, so I bored them out with a razor knife.
![]() |
| Headphone adapters installed |
I finished assembling one tagger. I still have to set the voltage, plug in a microcontroller, and fix everything that does not work. More importantly, I realized that the level of work necessary for these taggers is unreasonable to expect of most people. However, if I designed a printed circuit board and assembly instructions, it would be cost-effective and approachable.
![]() |
| Wiring completed on one tagger |
I wired another tagger, which went well despite some wires being too short. I spent the rest of the day updating two pages of schematics, including the core drawing and the one with the prototype PCB.
![]() |
| Schematic updated |
I finished soldering the last three taggers. By this point, I learned the necessary techniques to make them go well, and I tackled the trickiest cases early, so it was smooth sailing. The troubleshooting comes next and should take a few days.
![]() |
| Five taggers ready to test |
Pillars of Creation creator Aaron Wroblewski suggested Event Horizon (1997) and talked about the similarities between his comic and the classic sci-fi horror movie. Most of the Critical Affection crew did not enjoy the film, but we also highlighted the parts we did.
Critical Affection: Event Horizon (1:19)
The rest of the summary posts 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.





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