Components

This simple Transistor Array pack contains three SMD ULN2803 ICs from Texas Instruments. Each of these tiny ICs consists of eight NPN Darlington pa...

A row of right angle male headers - break to fit. 40 pins that can be cut to any size. Used with custom PCBs or general custom headers.

Resonators function like crystals but stick closer to their specified frequency over a full temperature range. These resonators are +/-0.5% or bett...

Fingerprint scanners are awesome. Why use a key when you have one right at the tip of your finger? Unfortunately, they're usually unreliable or ...

Standard frequency crystals - use these crystals to provide a clock input to your microprocessor. Rated at 20pF capacitance and +/- 50ppm stability...

Standard ‘Watch’ or Real-Time-Clock crystal. 32.768kHz means it is precisely half of a 16-bit counter. Start counting at 0x8000 (or 32768). When th...

Standard frequency crystals - use these crystals to provide a clock input to your microprocessor. Rated at 20pF capacitance and +/- 50ppm stability...

Standard frequency crystals - use these crystals to provide a clock input to your microprocessor. Rated at 20pF capacitance and +/- 50ppm stability...

Standard frequency crystals - use these crystals to provide a clock input to your microprocessor. Rated at 20pF capacitance and +/- 50ppm stability...

LEDs - those blinky things. A must have for power indication, pin status, opto-electronic sensors, and fun blinky displays. This is a very stan...

These are very bright LEDs. The LEDs are so bright that it hurts to look directly at them. Please take a look at the pictures to get an idea of ...

1.0M Ohm, ¼th Watt, +/- 5% tolerance PTH resistors. Commonly used in breadboards and perf boards.We’ve opted for a new and more breadboard-frien...

These plastic LED holders have a black finish and only need the LED and the holder to be snapped into place easily and effectively, no screwing any...

These plastic LED holders have a black finish and only need the LED and the holder to be snapped into place easily and effectively, no screwing any...

These are very common, high quality BJT NPN transistors made by ST Micro. Datasheet: 2N3904

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

These are very common, high quality BJT, PNP transistors made by ST Micro. Datasheet: 2N3906

Low-profile electrolytic decoupling capacitors 10uF/25V. These capacitors are great transient/surge suppressors and work well as charge pump caps f...

Low-cost basic SOIC break out boards. These are custom PCB boards that interface standard SOIC devices to standard .1" headers. Pad layout fits...

CR2032 Lithium metal 3V 250mAh button cell battery. Great for powering low power processors or blink an LED for weeks at a time. Note: This item is...

USB Type ‘A’ Male connector. Ideal for making very small USB dongle devices that plug directly into a computer USB port or through a USB AtoA exten...

CR1225 lithium metal 3V 12mm 47mAh coin cell batteries. Perfect small battery for miniature sensor node applications. These batteries are sold in s...

A metal caster used for omni-directional robots.Omni-what? Imagine a robot with the dual-motor gear box. The robot can pivot in one spot, but it mu...

These are our large, beefy aluminum enclosures, which have been built tough enough to withstand a truck. This 2mm-thick, die-cast enclosure is rate...