You are now going to go back to controlling LEDs. This time, however, you won’t be driving them directly from the Arduino. Instead, you’re going to use a fantastic little chip known as a shift register. These ICs (Integrated Circuits) will let you control eight separate LEDs using just three pins from the Arduino. But wait, there’s more: in Project 18, you’ll control a total of 16 LEDs, again using just three pins from the Arduino.
KeywordsShift Register Binary Number Binary Counter Storage Register Input Serial Data
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