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Learn: Display Characters on an LCD

OVERVIEW An LCD display can replace your Serial Monitor as a display module. This is useful for standalone projects, where the Arduino runs on its own power supply and is not connected to a computer. PART 1: ASSEMBLE THE LCD NOTE: For proper soldering technique, see Guide: Soldering Technique.   Pin Name Function 1 Vss GND […]

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Learn: Capacitive Touch Switch

OVERVIEW A capacitive touch switch is a switch that works by touch. It even works when your hand is close to it. This means you can conceal your switch under plastic, wood, or other insulating material and still trigger the switch by touch. PART 1: ASSEMBLE THE CIRCUIT     PART 2: PROGRAM THE ARDUINO […]

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Learn: Difference Between a Common Anode and Common Cathode Tri-Colour LED

OVERVIEW A tri-colour LED can be either common anode (the longer pin is positive) or common anode (the longer pin is negative). The best way to identify which tri-colour LED you have is to set up a circuit to test it.     PART 1: IDENTIFYING THE TRI-COLOUR LED Checking common cathode: Connect the tri-colour […]

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