SparkFun

This is a simple cable that adapts from a USB port to a 5.5x2.1mm barrel connector, center positive. This cable allows the user to use a USB por...

Do you fear that your power may not be “far reaching” enough? How would another 3' work for you? Okay, so it doesn’t sound very dramatic, but somet...

Do you fear that your power may not be “far reaching” enough? How would another 6' work for you? Okay, so it doesn’t sound very dramatic, but somet...

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...

The Beaglebone Black is a low-cost credit-card-sized development platform with good support from a fast growing community. The Beaglebone Black dif...