sparkfun

We use barrel jacks a lot around here and sometimes we need to pop a switch into the mix. That usually means hacking up a perfectly good barrel jac...

Two pin JST connector to a 2.1x 5.5mm barrel jack, 6.25 inch long jumper cable. We use this cable to adapt from a wall power supply to a relativ...

This is a 16 character by 2 line display that runs at 3.3V. Utilizes the common ST7066/HD44780 parallel interface (datasheet). Interface code is...

This is a basic 16 character by 2 line display. Black text on Green background. Utilizes the extremely common HD44780 parallel interface chip...

This is similar to other 16x2 character LCDs that you’ve seen before but with one vibrant difference: The backlight is actually an RGB LED. This...

This is a basic 16 character by 2 line display with a snazzy black background with white characters. Utilizes the extremely common HD44780 parallel...

This is a basic 16 character by 2 line display with a Blue background and a Yellow backlight. Utilizes the extremely common HD44780 parallel int...

This is a PCB mount clip to hold a 18650 Lithium Ion Cell battery. Each battery holder is sold in single units, you’ll need two for each battery. T...

This is an incredibly simple one cell 18650 Battery Holder. When someone thinks of 18650 Cells they tend to think of flashlights first, which is fa...

PCB mount clip to hold a AA battery. Sold in single units, you’ll need two. These work great for small, low power applications that need a batte...

PCB mount clip to hold a AAA battery. Sold in single units, you’ll need two for each battery. These work great for small, low power applications th...

This is an incredibly simple two cell 18650 Battery Holder. When someone thinks of 18650 Cells they tend to think of flashlights first, which is fa...

This 2xAAA battery holder puts a nice finishing touch on your battery-powered project. This holder features a sliding, removable cover as well as a...

Simple 4 Cell AA Battery holder with 5" tinned leads, square configuration.

This is a simple 4 cell AA battery holder. The 5 inch cable is terminated with a standard 5.5x2.1mm, center positive barrel jack connector. ...

This 2xAA battery holder puts a nice finishing touch on your battery powered project. This holder features a removable, sliding cover, which is sec...

This 2xAA battery holder puts a nice finishing touch on your battery powered project. This holder features a removable, sliding cover, which is ...

This 3xAA battery holder puts a nice finishing touch on your battery powered project. This holder features a removable, sliding cover, which is sec...

This 3xAA battery holder puts a nice finishing touch on your battery powered project. This holder features a removable, sliding cover as well as an...

This 4xAA battery holder puts a nice finishing touch on your battery powered project. This holder features a removable, sliding cover, which is sec...

BeaglePlay is an open-source single board computer designed to simplify the process of adding sensors, actuators, indicators, human interfaces, and...

These beam attachment blocks make it possible to connect two Actobotics aluminum beams together or to create simple joint attachment points for ...

These flat bearing mounts attach to the face of a channel or plate and have a ball bearing with a 1/2” bore for shafts. They can be used in conj...

These round pillow block bearing mounts attach to the outside of a channel and have a ball bearing with a 1” bore for shafts and tubes. These be...