52 weeks of pi Connecting an Analog Joystick to the Raspberry Pi (and using it with an RGB LED to simulate a color wheel) One of the coolest things about the Raspberry Pi is its GPIO pins. They’re just sitting there, waiting to be connected to all kinds of useful peripherals so your Pi can interact
52 weeks of pi Creating a Flickering Candle Using an RGB LED on the Raspberry Pi After getting PWM (pulse-width modulation) to work with an RGB LED last week, I was trying to think of what else I could do with an LED that demonstrated changes in color as
52 weeks of pi How to Use an RGB multicolor LED with Pulse Width Modulation (PWM) on the Raspberry Pi If you buy a kit with random LEDs, wires, switches, etc, like this one I purchased from CanaKit, you’re likely to end up with one or two of those funky little LEDs