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Basic circuit!
Buttons in series
Buttons in parallel
Simple closed circuit!
LEDs in series on breadboard
LEDs in parallel on breadboard
Connecting an RGB LED on a Breadboard
Exploring variable resistor: Trimpot
Using a Trim pot to Control the Sound of a Buzzer on a Breadboard
Exploring variable resistance with Buzzer
Building a Simple circuit with buzzer and LED
Building a Light-Activated Buzzer Circuit using LDR