This is a WiFi enabled traffic light. This means it is controlled by an ESP8266 (Wemos D1 Mini). You can plug it in via USB and reprogram it. What it displays, or how, is under your control. In my case it’s a Jenkins build status monitor.
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Hi there awsome work. I saw your project on Thingiverse last week since I need a traffic light for one of my university projects. I’ve never done anything like this before and I’m not really sure how to make it work. Do you think you can give me some more details on how to set up the wifi module and how to connect the LEDs? It’s probably just me but I can’t figure out much with the pictures you uploaded. Would really appreciate that.