What is a breadboard used for?, Cooking bread, Building temporary electronic circuits without soldering, Painting, What material is a modern breadboard made of?, Wood, Metal, Plastic, Why is it called a breadboard?, Because it looks like bread, Early hobbyists used real bread-cutting boards to build circuits, It can bake bread, How are the holes inside a breadboard connected?, They are randomly connected, Rows of holes share the same metal strip inside the breadboard, Each hole is isolated, What is the purpose of the center gap in a breadboard?, To organize wires neatly, To insert integrated circuits with pins on either side, It divides power and ground, What do the red and blue strips on the edges of a breadboard represent?, Sound and light signals, Power (positive) and ground (negative) rails, Temperature zones, What must you NEVER forget when using an LED in your circuit?, Use a resistor to limit current, Use multiple LEDs only, Connect it directly to power without any component, Which LED lead is longer?, Cathode (negative), Anode (positive), Both are the same length, What does a resistor do in a circuit?, Increases voltage, Limits the flow of electric current, Provides power, How do you read a breadboard hole’s address?, Row number then column letter, Column letter then row number, Randomly, If you insert component leads into holes in the same row (e.g., row 3, columns A-E), are they connected?, Yes, No, Only if powered, What happens if you reverse LED polarity?, It will light up brighter, It won't light up, It will explode, What is the name of this item in the picture?, Resistor, Jumper wires, Battery, What will happen if you forget to include one of these in the circuit?, The current will go too fast, The LED will burn out, All of the above, What does “no soldering” mean regarding breadboards?, Components are glued, Components can be inserted and removed easily, Components are permanently attached, In the picture. Is it connected properly?, Yes, No, Maybe, Looking at the picture. Can the green LED also lights up?, Yes, No, Maybe, What happens if you connect an LED backwards on a breadboard?, It glows brighter, It won’t light up, It will explode, What colors usually mark the power (+) and ground (-) rails on a breadboard?, Green and yellow, Red and black, Orange and purple, How is every hole on the breadboard uniquely identified?, By color, By column letter and row number, By size.

Breadboard Circuits

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