![]() GPIO pins with lights attached.ĭon’t turn the Pi on yet, you’ll need to prepare an operating system image for it first… Operating System Setup When you’re done it’s going to look something like this… (an easy way to make sure you have it right is to locate the lights on the left hand row of pins as you look at the Pi with the USB ports to the bottom, then count 8 pins up and attach the lights there). Low Voltage Labs Traffic Lights.īefore powering up the Pi, attach the traffic lights so that the pins connect to the GPIO pins highlighted in red: GPIO Pin Diagram. One of these needs to be ground, the other three being actual GPIO pins used to control each of the individual LEDs. The Low Voltage Labs traffic lights connect to the Pi using four pins. Any HDMI display to show output from the Pi.Any USB keyboard to type on the Pi, you might want a mouse too.A set of traffic lights from Low Voltage Labs (the two pack is good value).If you want to install the operating system yourself, you’ll need a Mac, PC, Linux machine with an SD card reader A Micro SD card to install your operating system on (or get one with the OS pre-installed).Some sort of case is probably a good idea to protect the Pi (but you’ll need to leave the lid off to expose the GPIO pins to connect your lights to). ![]()
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