LED WebSite Indicator

An LED lights up when you receive a visitor to your site

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Recently while looking for coding work I connected an LED to my resume site so that I would have instant feedback in the form of a visual notification whenever anyone visited.

People seemed to like the idea when I wrote about it on my blog, so I have made this into a free service. I modified an open source WordPress plugin to send messages to my own MQTT broker, which the WiFi enabled LED connects to. If you want to try it out, I have the instructions over at - see the "learn" page. All you need is a $2 D1 Mini WiFi module and a WordPress site.

If there is enough interest I plan to do this as a pre-programmed product, with an RGB LED and support for multiple websites (flashing a different colour for each site visited).

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