Red LED, 5mm, diffused
Warning, warning, the Red LED is on!
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Blue LED, 5mm, diffused
Blue is the coolest looking LED of them all.
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White LED, 5mm, diffused

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White LED, 5mm, clear, super bright, short leads.
Fairly painful white LED.
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Tri Color Clear LED, RGB (Red, Green, Blue), 5mm
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5 pack of 22 Ohm, 1/4 Watt resistors. Carbon film, 5% tolerance, through hole mount type. RoHS Compliant.
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5 pack of 2.2M Ohm, 1/4 Watt resistors. Carbon film, 5% tolerance, through hole mount type. RoHS Compliant.
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Mini tactile push button switch. Small, momentary on push button with that nice "clicky" feel when you press it.
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Standard PNP BJT Transistor, 2N4403. 40v/600mA max.
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Standard NPN BJT Transistor, 2N4401. 40v/600mA max.
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IRL520N, N CHANNEL POWER MOSFET, 100V, 10A, TO-220 package.
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IRL530N PBF, N CHANNEL POWER MOSFET, 100V, 17A, TO-220AB package, lead free.
This thing can drive LARGE loads, and be switched on and off with an I/O pin from your Arduino/microcontroller.
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Red LED, 5mm, clear
Warning, warning, the Red LED is on!
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Ultraviolet LED that glows purple.
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Reed Switch
This is a non-contact magnetic switch. Put a magnet near it and the switch closes, and current flows. Take the magnet away, and the switch opens. Perfect for detecting doors opening, etc.
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10k Linear Trimming Potentiometer, breadboardable (see photo). Good for analog to digital converter input. Use this to set a variable input for control.
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Piezo Buzzer, a loud one. Plug this directly into an Arduino/microcontroller IO pin and use it to signal events. With no resistor, this thing is LOUD. But you can tone it down as low as needed with a resistor or potentiometer.
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5 pack of 10k Ohm, 1/4 Watt resistors. Carbon film, 5% tolerance, through hole mount type. RoHS Compliant.
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5 pack of 4.7k Ohm, 1/4 Watt resistors. Carbon film, 5% tolerance, through hole mount type. RoHS Compliant.
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5 pack of 330 Ohm, 1/4 Watt resistors. Carbon film, 5% tolerance, through hole mount type. RoHS Compliant.
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