Trimpot and Switches (6)

A trimpot is basically a resistor that you can vary the resistance of. This is useful for controlling output in an analog manner. The push switches only turn on for the length of time they are pressed. The switches are connected across adjacent legs, which is laid out in the…

One Wire Protocols (5)

In your package you might have a tiny white chip with three wires sticking out of it. This is a 5050 LED IC. What this chip does is that it combines three small but bright LEDs into a neat little package and by using some clever signalling, these LEDs can…