![Making traffic lights | Physical Computing with Python | Python | Coding projects for kids and teens Making traffic lights | Physical Computing with Python | Python | Coding projects for kids and teens](https://projects-static.raspberrypi.org/projects/physical-computing/248971027a596f3437da45bafd2bd8a8cc35cb95/en/images/camjam1wiring.png)
Making traffic lights | Physical Computing with Python | Python | Coding projects for kids and teens
![Amazon.com: EDGELEC 50pcs 12 Volt 5mm Yellow Blinking LED Lights Emitting Diodes (1.5Hz Single Color Flashing) Pre Wired 7.9 Inch DC 12v LED Light Diffused Colored Lens Small LED Lamps : Industrial Amazon.com: EDGELEC 50pcs 12 Volt 5mm Yellow Blinking LED Lights Emitting Diodes (1.5Hz Single Color Flashing) Pre Wired 7.9 Inch DC 12v LED Light Diffused Colored Lens Small LED Lamps : Industrial](https://m.media-amazon.com/images/I/71DIBxitB4L._AC_UF1000,1000_QL80_.jpg)
Amazon.com: EDGELEC 50pcs 12 Volt 5mm Yellow Blinking LED Lights Emitting Diodes (1.5Hz Single Color Flashing) Pre Wired 7.9 Inch DC 12v LED Light Diffused Colored Lens Small LED Lamps : Industrial
![Help, does anyone know what's the problem here? Green light blinks four times at start then only get a solid red after, preloaded with noobs in sd card : r/RASPBERRY_PI_PROJECTS Help, does anyone know what's the problem here? Green light blinks four times at start then only get a solid red after, preloaded with noobs in sd card : r/RASPBERRY_PI_PROJECTS](https://external-preview.redd.it/2XHsKRp6Er-ObDxbYCAy4QsgffNrUyEcjGZilZOQo74.png?width=640&crop=smart&format=pjpg&auto=webp&s=a4b1cd14eab3775d0ec32bdc0b5a21660d84f328)