Transistors are powerful little electronic switches, and when little NPN transistors aren't powerful enough for your project, use these beefy TIP120 Darlington transistors. Great for whenever you need to control medium to high-power electronics such as...

  Never hunt around for another crystal again, with the Si5351A clock generator breakout from Adafruit! This chip has a precision 25MHz crystal reference and internal PLL and dividers so it can generate just about any frequency, from <8KHz up to...

Product description : 1. PCB for single panel, size: 44 mm x 23 mm x 1.6 mm 2. With four positioning hole, a diameter of 3.1 mm 3. The spare battery for authentic celestial CR2032, voltage 3 v, current 260 mah, the rechargeable battery. 4. DS1302...

These are very bright LEDs. They are so bright that it hurts to look directly at them. Please take a look at the pictures to get an idea of the intensity. The lense is clear, but this model is red. Features 9,000mcd brightness Standard size - T1...

Display, elegantly, 012345678 or 9! Gaze, hypnotized, at ABCDEFGHIJKLM - well it can display the whole alphabet. You get the point. This is a nice, bright alphanumeric display that shows letters and numbers in a beautiful yellow hue. It's super bright...

These are our favorite general-purpose LED's. Light up your project! Pack of 10 diffused red LEDs 5mm diameter 30° viewing angle 631nm wavelength 1.8V Forward Voltage, at 2mA current 50 mcd brightness rating

These are our favorite general-purpose LED's. Light up your project! Pack of 10 diffused green LEDs 5mm diameter 30° viewing angle 570nm wavelength 1.8V Forward Voltage, at 2mA current 38 mcd brightness rating

These are our favorite general-purpose LED's. Light up your project! Pack of 10 diffused yellow LEDs 5mm diameter 30° viewing angle 588nm wavelength 1.8V Forward Voltage, at 2mA current 50 mcd brightness rating

This is a 10 Pack of 100uF Aluminum Capacitors. 100µF 100V Aluminum Capacitors Radial, Can 1000 Hrs @ 105°C

This is a 10 Pack of 10uF Aluminum Capacitors. 10µF 100V Aluminum Capacitors Radial, Can 1000 Hrs @ 105°C

This is a 10 Pack of 1M Ω Resistors. 1M Ohm ±5%, 1/4W Through Hole Resistor Axial Flame Retardant Coating, Safety Carbon Film

This is a 10 Pack of 100K Ω Resistors. 100k Ohm ±5%, 1/4W Through Hole Resistor Axial Flame Retardant Coating, Safety Carbon Film

This is a 10 Pack of 10K Ω Resistors. 10k Ohm ±5%, 1/6W Through Hole Resistor Axial Flame Retardant Coating, Safety Carbon Film

This is a 10 Pack of 1K Ω Resistors. 1k Ohm ±5%, 1/4W Through Hole Resistor Axial Flame Retardant Coating, Safety Carbon Film

This is a 10 Pack of 100 Ω Resistors. 100 Ohm ±5%, 1/4W Through Hole Resistor Axial Flame Retardant Coating, Safety Carbon Film

This is a 10 Pack of 1uF Aluminum Capacitors. 1µF 100V Aluminum Capacitors Radial, Can 1000 Hrs @ 105°C

This is a 10 Pack of 330 Ω Resistors. 330 Ohm ±5%, 1/6W Through Hole Resistor Axial Carbon Film

This is a 10 Pack of 220 Ω Resistors. 220 Ohm ±5%, 1/4W Through Hole Resistor Axial Flame Retardant Coating, Safety Carbon Film

This is a 10 Pack of 4.7K Ω Resistors. 4.7k Ohm ±5%, 1/4W Through Hole Resistor Axial Flame Retardant Coating, Safety Carbon Film

Infrared (IR) break-beam sensors are a simple way to detect motion. They work by having an emitter side that sends out a beam of human-invisible IR light, then a receiver across the way which is sensitive to that same light. When something passes between...