2023-07-11 (Tu) KeyRyptex Physically ready

I inspected the keyswitches and diodes of the troublesome column and even the solder on the IO expander module. I cut the wire between the column and the board, and the input still looked like it was activated in the code. I worried that something in my code could make the first column act funny, but when I rerouted it to look at a spare input pin instead, the problem disappeared. I permanently connected the column to the spare input, and the serial output showed everything working. I also repaired the broken connection on the H key.
No visible abnormalities

I started a lengthy switch(case) function to convert the key addresses into alphanumeric characters corresponding to their keycaps. I have not learned how to recognize puzzle solutions, but they will be similar to a stack. I also need to wire the LED and secure the Arduino in the center.
Typing test

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

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.