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Explore beginner-friendly projects using Led Bar. Run them in the simulator, tweak the code, and learn step by step.
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IoTSim Editor
Oct 4, 2026
Read an 8-Bit DIP Switch with an Arduino Mega
Read 8 parallel switches on a DIP switch and mirror their binary state onto an LED bar graph using an Arduino Mega. Learn how microcontrollers read digital buses, use internal pull-up resistors, and pack bits into a byte.
Arduino Mega
Logic
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