Shift Register (74HC595)
Has three inputs and eight outputs: allows the Arduino to control many outputs at once without as many pins as it would otherwise need.
Light (69)
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Diode (1N4007)
Allows electricity to flow through it in only one direction. Often used with DC motors to prevent reverse currents from damaging components.
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Infrared Remote
Sends infrared light pulses that can be read by an Infrared Receiver.
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Stepper Motor Driver
Receives motion instructions from the Arduino, and provides power to the Stepper Motor.
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Stepper Motor
Electrical connector to power motor and receive movement instructions from Arduino. Output shaft can rotate with motor continuously in either direction.
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Breadboard Power Supply
Supplies power to a breadboard, available to be used by electronic components plugged into it.
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Uno Compatible Breadboard Shield
Provides a convenient, compact area for a breadboard circuit directly plugged in to the top of the Arduino Uno.
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LCD Character Display Module
Displays rows of text
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Arcade Push-button
A large, clicky button.
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Transistor (PN2222)
An electrical switch that allows you to turn on and off high voltages and currents, using a small amount of electricity.
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Small Breadboard
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Medium Breadboard
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Large Breadboard
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Male-male jumper wire
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Female-male jumper wire
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Female-female jumper wire
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Servo Motor
Motor that rotates to an absolute position
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Arduino Uno
The Arduino gets instructions from a computer and follows them as long as it has power. It can be an input, output, or both.
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Light Emitting Diode (LED)
Illuminates when power flows through. It is a diode, so only allows power to flow in one direction.
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9V Battery
A 9V DC battery
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Ultrasonic Ranger
Measures distance
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5V Relay
Switches and isolates electrical devices
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Passive Buzzer
Makes variable-pitch beeping, driven by the frequency of a changing (alternating current) power source connected to it.
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Active Buzzer
Makes a high-pitched beeping sound when powered with a steady (direct current) power source.
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Pancake Vibration Motor
Vibrates quickly when powered. Usually used as a simple tactile signal. Operates at 5V.
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Potentiometer
A rotating variable resistor (knob)
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Joystick Module
Senses up/down and left/right movement of a thumb-sized joystick. Also can be clicked like a button.
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3-Axis Accelerometer
Senses acceleration in X, Y, and Z axes; used to detect motion and orientation.
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Tactile Button Switch
Makes an electrical connection when pressed.
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Lever Microswitch
A springy snap-action button with a lever arm.
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Tilt Switch
A small metal ball rolls inside the can, and the electrical switch opens or closes based on its position. Detects coarse orientation.
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Thermistor
Changes its electrical resistance based on its temperature: used as a thermometer.
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Temperature and Humidity Sensor
Measures ambient temperature and humidity
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Photoresistor
Measures luminosity (light)
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Infrared Reciever
Interprets infrared remote control signals.
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Optical Proximity Sensor
Measures distance
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10MΩ resistor
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1MΩ resistor
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470kΩ resistor
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100kΩ resistor
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47kΩ resistor
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33kΩ resistor
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22kΩ resistor
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15kΩ resistor
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10kΩ resistor
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5.6kΩ resistor
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5.1kΩ resistor
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4.7kΩ resistor
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3.3kΩ resistor
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2.7kΩ resistor
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2.2kΩ resistor
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2kΩ resistor
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1.5kΩ resistor
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1kΩ resistor
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680Ω resistor
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470Ω resistor
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330Ω resistor
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270Ω resistor
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220Ω resistor
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150Ω resistor
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100Ω resistor
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47Ω resistor
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33Ω resistor
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10Ω resistor
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80mΩ resistor
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70mΩ resistor
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50mΩ resistor
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DC Motor
The motor spins when power flows through its wires. Output shaft can rotate continuously in either direction.
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H-Bridge Motor Driver
Receives motion instructions from the Arduino, and provides power to two motors.