Enclosed battery holder for three AAA cells. This holder features a lid that slides over the batteries and snaps into place to fully enclose them. It also features a switch that lets you open and close the electrical connection between...

These tiny little black anodized Heatsinks are perfect for cooling off small surface-mount components such as the A4988 stepper motor driver. The A4988 stepper motor driver carrier with voltage regulators is a breakout board for...

These tactile buttons are great for all sorts of projects.Little clicky switches are standard input "buttons" on electronic projects. These work best in a PCB but can be used on a solderless breadboard. The pins are normally open...

For storing small parts (especially SMT/SMD components), these little modular boxes are ideal. They have individual clear pop-open covers so you can keep only the ones you want open - less risk of mixing up parts or having a spill. The...

Low profile 3.5mm stereo audio jack.

This is a 5V 8-Channel Relay interface board, Be able to control various appliances, and other equipments with large current. It can be controlled directly by Micro-controller ( Raspberry Pi , Arduino , 8051, AVR, PIC, DSP, ARM, ARM,...

The Duplicator 4X is our first dedicated 1.75 mm filament extruder. This extruder was designed from scratch, and contains a number of custom manufactured parts. We’ve learned a lot over our past extruder designs, and incorporated a lot...

Not sure what crystal you might need? Looking to stock up your parts bin? Get this package of all the most common values as well as some more specialized frequencies for your next project. We include some 22pF capacitors to use with the...

The M74HC238 is a high speed CMOS 3 to 8 line decoder. There are three binary select inputs (A, B, and C) which determine which one of the eight outputs (Y0-Y7) will go high. This chip has three enable inputs (G1, ~G2A, and ~G2B); when...

Simple shift register IC. Clock in data and latch it to free up IO pins on your micro. Check out the tutorial on how to use this product with the 7 Segment LED and Arduino. Thanks Patrick and Mycha!

Standard frequency crystals - use these crystals to provide a clock input to your microprocessor. Rated at 20pF capacitance and +/- 50ppm stability. Low profile HC49/US Package.

Through-hole RJ11 socket with PCB mounting posts. 6-pin connection - housing accepts common telephone connectors/wiring.