https://blog.corrlabs.com An engineer's technical notes and programming solutions en-us https://blog.corrlabs.com/2025/05/the-formidable-formidable-forms-which https://blog.corrlabs.com/2025/05/the-formidable-formidable-forms-which Sun, 25 May 2025 06:18:00 GMT Helping someone close to me with their WordPress website, and more specifically Formidable Forms, it became apparent that the level of complexity with what they wanted was not as s https://blog.corrlabs.com/2025/02/i-deleted-my-stackoverflow-account https://blog.corrlabs.com/2025/02/i-deleted-my-stackoverflow-account Wed, 12 Feb 2025 18:28:00 GMT After over 4 years, I finally decided to delete my SO account. Don't get me wrong, there are a lot of great ideas on SO, one of which include the community rating system to bring r https://blog.corrlabs.com/2025/02/full-color-spectrum-color-chart https://blog.corrlabs.com/2025/02/full-color-spectrum-color-chart Sat, 08 Feb 2025 15:03:00 GMT For a project I have been working on with ESP32, I wanted to make a simple drawing program. It would be simple enough to add a limited swatch of colors, but I really wanted to prov https://blog.corrlabs.com/2025/01/lilygo-ttgo-t-display-esp32-16mb-flash https://blog.corrlabs.com/2025/01/lilygo-ttgo-t-display-esp32-16mb-flash Tue, 28 Jan 2025 00:51:00 GMT Problem: I purchased some t-display compatible boards and wanted to setup them up for some fun projects I have in mind. I generally prefer to use VSCode for my editing over Arduino https://blog.corrlabs.com/2024/12/did-thingiverse-shadow-ban-my-models https://blog.corrlabs.com/2024/12/did-thingiverse-shadow-ban-my-models Mon, 09 Dec 2024 20:42:00 GMT As a hobby, I do some 3d modelling generally around small designs I think might be useful. They include things I make to use around the house, or just general interests of mine. Re https://blog.corrlabs.com/2024/09/esp8266-captive-portal-static-serve-and https://blog.corrlabs.com/2024/09/esp8266-captive-portal-static-serve-and Sun, 29 Sep 2024 15:48:00 GMT While working on a toy for my dog, I wanted to set up an AP with captive portal. This took a little bit because a lot of examples out there were a bit out of date and did not work https://blog.corrlabs.com/2024/09/slightly-painful-painless-mesh-for-esp32 https://blog.corrlabs.com/2024/09/slightly-painful-painless-mesh-for-esp32 Fri, 13 Sep 2024 15:32:00 GMT While working on a mesh networking project, I decided to give Painless Mesh a try. I ran into whole bunch of issues in PlatformIO for some reason, so I resorted to using ArduinoIDE https://blog.corrlabs.com/2024/06/visual-studio-installer-error-system https://blog.corrlabs.com/2024/06/visual-studio-installer-error-system Sun, 02 Jun 2024 18:55:00 GMT Problem: A long story short, a bad USB adapter killed motherboard USB headers. The system was old enough that buying a new CPU/motherboard would be as much as buying a used motherb https://blog.corrlabs.com/2024/04/addressable-led-strip-odd-colors-with https://blog.corrlabs.com/2024/04/addressable-led-strip-odd-colors-with Mon, 29 Apr 2024 18:59:00 GMT I was trying to run some test code using a strip of addressable LEDs and my Arduino, but every time I ran the program, I got odd colors and the last LED color was green. Sometimes https://blog.corrlabs.com/2024/03/siteground-ssh-login-trouble-permission https://blog.corrlabs.com/2024/03/siteground-ssh-login-trouble-permission Fri, 08 Mar 2024 19:09:00 GMT Problem: Working with a company that uses SiteGround for hosting, we setup SSH access on the website using keys. The SiteGround system forces a specific SSH passphrase for your key https://blog.corrlabs.com/2024/01/process-explorer-dll-inspection https://blog.corrlabs.com/2024/01/process-explorer-dll-inspection Thu, 04 Jan 2024 06:19:00 GMT I've been working with a DLL I got that doesn't have very great documentation. After trying a couple different things (ILSPy, and custom python to load and print callable functions https://blog.corrlabs.com/2023/12/edit-as-you-go-sound-recorder https://blog.corrlabs.com/2023/12/edit-as-you-go-sound-recorder Wed, 27 Dec 2023 00:05:00 GMT My friend, Mason, is an actor in film, stage, and voice projects. One of his enjoyed past times is to record audio books. Y'know, long ones, the ones in the public domain (his stil https://blog.corrlabs.com/2023/12/lolin32-lite-notes https://blog.corrlabs.com/2023/12/lolin32-lite-notes Wed, 13 Dec 2023 19:46:00 GMT These are on-going notes I have for the Lolin32 Lite board. Specs and graphic: https://mischianti.org/esp32-wemos-lolin32-lite-high-resolution-pinout-and-specs/ Flashing the Board https://blog.corrlabs.com/2023/11/connecting-to-and-controlling-optidrive https://blog.corrlabs.com/2023/11/connecting-to-and-controlling-optidrive Thu, 09 Nov 2023 00:40:00 GMT Note: For those interested in virtual production, I have published a version of this on this website as part of a collection of virtual production resources. While working on build https://blog.corrlabs.com/2023/10/digispark-attiny85-avr-usb https://blog.corrlabs.com/2023/10/digispark-attiny85-avr-usb Mon, 16 Oct 2023 17:18:00 GMT I bought a couple little ATtiny85 development boards a while ago and I've used them in little projects here and there, like creating a 3D printed stoplight with my son. It's a grea https://blog.corrlabs.com/2023/10/clue-great-museum-caper-maps-printables https://blog.corrlabs.com/2023/10/clue-great-museum-caper-maps-printables Mon, 02 Oct 2023 03:45:00 GMT My wife has had this game since she was a kid. We went to play it today and I found that there are only so many maps available for the thief. I figured I would make some more and m https://blog.corrlabs.com/2023/09/fixing-or-updating-or-removing-sound https://blog.corrlabs.com/2023/09/fixing-or-updating-or-removing-sound Wed, 27 Sep 2023 18:50:00 GMT Problem Sometimes our sound files get moved around or possibly removed, but as of DaVinci Resolve 18.6 managing your sound library is still a bit challenging. In my case, I had fil https://blog.corrlabs.com/2023/09/driving-max98357-with-esp32c3-single https://blog.corrlabs.com/2023/09/driving-max98357-with-esp32c3-single Sat, 16 Sep 2023 20:04:00 GMT Max98357 For part of a hobby project, I wanted to replace a piezo buzzer with a speaker. I have heard Arduino can drive speakers directly with PWM (never done it myself), but inste https://blog.corrlabs.com/2023/09/pio-adding-new-board-for-lolin-esp32-c3 https://blog.corrlabs.com/2023/09/pio-adding-new-board-for-lolin-esp32-c3 Sat, 02 Sep 2023 21:11:00 GMT There is a sense that things are right in the world when things are just like they should be. One such instance is declaring an Arduino board that has not been done so yet. Fortuna https://blog.corrlabs.com/2023/09/the-lobster-pickleball-machine-power https://blog.corrlabs.com/2023/09/the-lobster-pickleball-machine-power Sat, 02 Sep 2023 07:22:00 GMT These are my personal notes. Apply at your own risk. Note: Although the found label on the wall wart says 13V, at least one motor and the battery are all 12V which but one motor mi https://blog.corrlabs.com/2023/08/lolin-esp32-c3-pico-notes https://blog.corrlabs.com/2023/08/lolin-esp32-c3-pico-notes Wed, 30 Aug 2023 17:22:00 GMT I don't work on this often, so when I do, I feel like I'm having to go back and figure things out. These notes will hopefully save me some time. Drivers The chip on these dev board https://blog.corrlabs.com/2023/06/nanlite-usb-c-dmx-cable-instead-of https://blog.corrlabs.com/2023/06/nanlite-usb-c-dmx-cable-instead-of Tue, 06 Jun 2023 03:36:00 GMT Out of curiosity, and because they are nearly half the price of the Aputure USB-C/DMX cable, I really wanted to know if the Nanlite USB-C/DMX cable would work as a suitable replace https://blog.corrlabs.com/2023/05/pyinstaller-include-sv-ttk-sun-valley https://blog.corrlabs.com/2023/05/pyinstaller-include-sv-ttk-sun-valley Wed, 10 May 2023 14:52:00 GMT Problem: Trying to build a python application using tkinter and ttk Sun Valley theme using pyinstaller, the finished build would throw errors unable to find the tcl file and relate https://blog.corrlabs.com/2023/03/notes-on-getting-python-to-talk-to-ftdi https://blog.corrlabs.com/2023/03/notes-on-getting-python-to-talk-to-ftdi Thu, 23 Mar 2023 23:20:00 GMT NOTE: This is incomplete and is nothing more than just notes for myself. It is not yet part of a complete solution and I don't fully understand all the consequences that may be inv https://blog.corrlabs.com/2023/03/unreal-engine-5-development-resources https://blog.corrlabs.com/2023/03/unreal-engine-5-development-resources Sun, 19 Mar 2023 17:04:00 GMT These are some very helpful resources I've compiled for getting started with UE5 development (especially if you don't have strong C++ experience). If things aren't working or aren'