If you want to give it a try, the steps are laid out in the previously mentioned Google Chrome - Mixed Content - Media Not Showing thread under the Disable Mixed Content Blocking section near the top.
And if you run into any difficultly with the steps, feel free to ask.
For example, if you’re using the app Fully Kiosk Browser to display your SharpTools dashboards, you should just need to tweak the setting:
Advanced Web Settings ▸ Mixed Content Mode: Always Allow Mixed Content.