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Having got my RGB LED to mix my different traffic light colours, I now want to control them using buttons - aka tactile switches - and here's how I did it. Starting with the Raspberry Pi Pico I set up in my previous video ( • Mixing RGB LED ‘traffi... , learn along with me as I work through the button wiring, basic coding for changing the colours, finishing up with Pulse Width Modulation (PWM) for a fully functioning red/amber/green status indicator.