This is a 35mm concave momentary push button similar to the ones you find on arcade games. Simple screw in design. Perfect…

These are very bright LEDs. The LEDs are so bright that it hurts to look directly at them. Please take a look at the pictur…

Yes you read that correctly - 10Farad capacitor. This small cap can be charged up and then slowly dissapated running an ent…

This is a 12-step rotary encoder with a nice 'clicking' feel. It's breadboard friendly, and has a pretty handy …

If you used BlinkM and you thought it was good, but needed something to temporarily blind your enemy, the MaxM is what you…

The SpeakJet is a completely self-contained, single-chip voice and complex sound synthesizer. It uses a mathematical sound …

Standard frequency crystals - use these crystals to provide a clock input to your microprocessor. Rated at 20pF capacitance…

This is a simple 5mm LED with an interesting array of applications. This UV LED can be used for counterfeit detection (bil…

 This is a perfect choice if you are in need of a heavy duty push button! These metal push buttons are a very tough, s…

This is a compact and easy to use relative humidity sensor from Sensirion. The SHT15 digital humidity and temperature sens…

The MAX7219CNG is a compact, serial input/output common-cathode display driver that can interface microprocessors to 7-segm…

OpenSegment makes it easy to add a large 7-segment display to your project. Because larger 7-segment displays pull more po…

A small audio speaker that is ideal for radio and amplifier projects and is small enough to fit in robot projects. Fea…

You can never have too many LEDs. Don't worry, we've got you covered. This is a pack of 100 LEDs. Buy in bulk - sav…

Do you like LED matrices? We do! Now we are giving you the power to make your own with minimal soldering any beginner can …

This is a small device called a reed switch. When the device is exposed to a magnetic field, the two ferrous materials ins…

This a simple breakout board for the button pads. Each LED and button is brought out to the side connectors. The connectors…

An adjustable potentiometer can open up many interesting user interfaces. Turn the pot and the resistance changes. Connect…

Surface transducers give you the awesome power to turn almost any surface into a speaker. Much like our larger surface tra…

This is a simple SPDT slide switch - great for use as an ON/OFF button, or just as a general control switch. The pins are …

The ever popular FTDI USB to UART IC now comes with built-in EEPROM and built-in oscillator! This IC comes in a 28-pin SSO…

If you want to get some sound out of your project but have a tight space budget, this is a good way to do it. This 0.25W, …

This through-hole speaker is great for projects where you need something that sounds better than a piezo buzzer but don…

These circular LED displays are a lot of fun. Essentially, these are what you would get if you could 'wrap' one of…

LEDs - those blinky things. A must have for power indication, pin status, opto-electronic sensors, and fun blinky displays.…

Have you ever needed a cheap way to activate something from across the room? Infrared remotes are still the cheapest way t…

 This is the LM317TG voltage regulator, a three-terminal positive regulator with a 1.2V to 37V adjustable output volta…

This is a heavy-duty joystick very similar to the ones in claw arcade games. Directional movements are momentary limit swi…

EL wire, or electroluminescent wire, is a flexible wire coated in phosphor. Apply the appropriate voltage and it lights up…

It's the end of the world, and you need a button to press. This is it. A 100mm diameter (outside diameter) dome illumi…

LEDs - those blinky things. A must have for power indication, pin status, opto-electronic sensors, and fun blinky displays…

This is a common 555 timer/oscillator from TI. A classic for all of those first year circuits projects where you need to b…

Everyone likes a (carefully controlled) fire! We've met some very ambitious pyros on our mission of enabling makers to…

We all know that you can never get too many LEDs. Don't worry, we've got you covered. This is a pack of 25  LE…

 These are bare non-addressable 5 meter long RGB LED strips that come packed with 60 5060 LEDs per meter, that's 3…

These are small rare earth magnets - 0.25" cubed. Composed of Neodymium/Iron/Boron (NdFeB), these magnets are curious…

This is a very common 0.1uF capacitor. Used on all sorts of applications to decouple ICs from power supplies. 0.1" sp…

This is a very simple, clear infrared LED. These devices operate between 940-950nm and work well for generic IR systems in…

The WS2812 is an RGB LED with a WS2811 control IC built right into the LED. This really blew our minds to see the control …

Low-profile electrolytic decoupling capacitors 10uF/25V. These capacitors are great transient/surge suppressors and work we…

8 Darlington Arrays in 18-Pin DIP Package part # ULN2803A. Perfect for running relays and high-power devices up to 500mA a…

Ever hear of a thing called RGB? Red, Green, Blue? How about an RGB LED? These 5mm units have four pins: one for each color…

Rotary encoders are used similarly to potentiometers. They're different from potentiometers in that an encoder has ful…

This is a resistive analog joystick, very similar to those found on the PSP1000. These compact joysticks are different in …

This 200 pulse per rotation single-output encoder outputs electrical pulses which you can interpret using a microcontrolle…

 This is a perfect choice if you are in need of a heavy duty push button! These metal push buttons are a very tough, s…

 This 0.012" Flexinol® Actuator Wires (aka shape memory Nitinol) is a one foot long piece of n…

4-digit 7-segment displays are really neat little devices, it's a shame that they can be so cumbersome to control. Wel…

 This 0.005" Muscle Wire® (aka shape memory Nitinol) is a one foot long piece of nickel-titanium al…

This is a small device called a reed switch. When the device is exposed to a magnetic field, the two ferrous materials ins…