The Abstracts of My Brain

An engineer's technical notes and programming solutions

Wednesday, September 10, 2025

WPForms Wordpress and Double Captchas Problem: Uncaught Error: reCAPTCHA placeholder element must be empty OR Error for site owner: Invalid site key

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Problem: While helping a company with their WordPress website, I came across an interesting problem. I had enabled Turnstile captcha (from C...
Sunday, May 25, 2025

The formidable Formidable Forms - Which checkboxes are checked?

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Helping someone close to me with their WordPress website, and more specifically Formidable Forms, it became apparent that the level of compl...
Wednesday, February 12, 2025

Why I deleted my Stack Overflow account...

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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 in...
Saturday, February 8, 2025

Full Color Spectrum Color Chart / ColorPicker

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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 swatc...
Monday, January 27, 2025

Lilygo TTGO T-Display ESP32 - 16MB flash troubles with platformio

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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 t...
Monday, December 9, 2024

Did Thingiverse shadow ban my models?

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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 hous...
Sunday, September 29, 2024

ESP8266 Captive Portal, Static Serve, and Websockets

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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 ...
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