PartsNOTES
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NOTES about electronic components used on the Wiki examples
PASSIVE (non-electronic ) PARTS
FLAT RIBBON CABLE
You can strip off sections from this to make cables you need.
RGB LED Brick
This has a large Red-Green-Blue LED on a small board with 4 pins. The "V" pin must be connected to +5V. Each of the 3 color LED pins must be connected to (Ground - LOW) to light up. Usually those 3 pins will be connected to Arduino Output Pins. To light the LEDs the Digital Out instruction must be set to LOW.
ACTIVE (Contain internal electronics ) PARTS
LCD DISPLAY 2x16
This can display 2 lines of 16 characters. It uses an I2C "I Squared C" interface with 4 connections: (Vcc +5 and Gnd) And (SDA , SCL)
The I2C Pins are on the Arduino HERE:
BUZZER AND BEEPER
The BUZZER makes noise when it is connected to +5V. NOTE the (+) marking to +5V
The BEEPER is like a small speaker. You need to use a TONE command to send a signal to it.