My wife and I went to Open Sauce for the first time in 2026, and I started the day by spotting Integza, who spoke with me for a couple of minutes, and he was as charming as his rocketry videos. My wife and I saw some delightful booths run by amazing inventors, showcasing delightful products for the community. I cannot wait for next year's festival.
I tried everything I could think of to get Bluetooth MIDI working. I found an example that downloaded to my device, but I could not see it during a Bluetooth scan, and I could not get the serial port working, even after enabling it in the settings.
I printed updated parts for the EWC_Mobile. The keyswitches required desoldering for removal, and I will reconnect them when I add all the signal wires between the encoders, switches, and microcontroller. The new knobs are more durable and easier to turn, but taller.
I divided the wiring process into two stages: first, adding long wires to the operators, and second, connecting them to the circuit board. I did the first step by measuring the longest wire I needed, cutting copies, and soldering leads to all the encoders and keyswitches.
I looked more deeply into the problem with serial port feedback on the ESP32-S3 and decided it was likely incompatible with MIDI over USB. Since I have a screen I can use for status, I will work around it.
I'm developing a new electric knife inspired by my observations of existing models, particularly those by Elliot Roth and Satur9. My design is a sealed, tubular polycarbonate case to prevent dust issues from the sand pit at Grindfest, and it will feature aluminum plates for durability, covered with a plastic edge. This time, I'm using more 3D-printed parts for strength and have sourced reliable components directly, rather than scavenging.
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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| I got to speak with Integza! |
I tried everything I could think of to get Bluetooth MIDI working. I found an example that downloaded to my device, but I could not see it during a Bluetooth scan, and I could not get the serial port working, even after enabling it in the settings.
 |
| Nothing wanted to work |
I printed updated parts for the EWC_Mobile. The keyswitches required desoldering for removal, and I will reconnect them when I add all the signal wires between the encoders, switches, and microcontroller. The new knobs are more durable and easier to turn, but taller.
 |
| New case, faceplate, and knobs |
I divided the wiring process into two stages: first, adding long wires to the operators, and second, connecting them to the circuit board. I did the first step by measuring the longest wire I needed, cutting copies, and soldering leads to all the encoders and keyswitches.
 |
| Operator-side wires attached |
I looked more deeply into the problem with serial port feedback on the ESP32-S3 and decided it was likely incompatible with MIDI over USB. Since I have a screen I can use for status, I will work around it.
 |
| Serial can work with this controller |
I'm developing a new electric knife inspired by my observations of existing models, particularly those by Elliot Roth and Satur9. My design is a sealed, tubular polycarbonate case to prevent dust issues from the sand pit at Grindfest, and it will feature aluminum plates for durability, covered with a plastic edge. This time, I'm using more 3D-printed parts for strength and have sourced reliable components directly, rather than scavenging.
 |
| Concept sketch |
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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