This adapter allows you to connect a barrel jack connector to bare wires. One end has screw terminals and the other has a 5.5x2.1mm, center-positive female barrel jack. If you have a power supply with a barrel jack and want to plug it into a breadboard, this might be the simple solution.
This adapter allows you to connect a barrel jack connector to bare wires. One end has screw terminals and the other has a 5.5x2.1mm, center-positive female barrel jack.
This adapter allows you to connect a barrel jack connector to bare wires. One end has screw terminals and the other has a 5.5x2.1mm, center-positive male barrel jack. If you need to connect bare wires to a barrel jack on an Arduino or a development board, this might be the simple solution.
This DC power jack/connector is just like the other one that we carry except that it’s terminated with breadboard-friendly pins instead of wide solder terminals. These are also compatible with our DC wall supplies and have a 5mm jack, with a 2.1mm center pole diameter.
The premise of this MicroUSB to 5.5/2.1mm DC Barrel Jack Adapter is simple. There's a MicroUSB plug on one end and a 5.5mm/2.1mm DC barrel jack with center positive...
The premise of this MicroUSB Plug to 5.5/2.1mm Jack adapter is simple. There's a MicroUSB plug on one end and a 5.5mm/2.1mm DC barrel jack with center positive polarity...
This convenient 3.8mm/1.3mm or 3.5mm/1.1mm or 1.3mm DC to 2.1mm DC adapter cable lets you plug one of Adafruit's solar panels into Adafruit's optimized Solar Lithium Ion/Polymer...
This barrel jack plug is great for adding a common connector to the end of our wires. This jack is compatible with 5mm barrel jacks that have a 2.1mm center pole diameter. The outer shell unscrews to reveal solder terminals and a crimp strain relief. The outer shell has strain relief as well.
This female barrel jack plug is great for adding a common connector to the end of wires. This jack is compatible with 5.5x2.1mm barrel connectors. The outer shell unscrews to reveal solder terminals and a crimp strain relief. The outer shell has strain relief as well.
DC power jack/connector. This is a common barrel-type power jack for DC wall supplies. These are compatible with our DC wall supplies and have a 5mm jack, with a 2.1mm center pole diameter.
This power jack is designed to fit 2.1mm power plugs snugly and securely. Perfect for adding a power connector to your project. Adafruit went for the more expensive "thin...
This is a common SMD barrel-type power jack for DC wall supplies. These are compatible with our DC wall supplies and have a 5mm jack, with a 2.1mm center pole diameter.
We have a lot of power adapter packs in the shop - from 9V to 12V to 5V we even have an adjustable power supply like one of these. But all of them will...
Move fluid safely from here to there with this very nice Peristaltic Pump that works with 5V or 6V power. Unlike most liquid pumps, this is a peristaltic type -...
This DC power supply module with built-in charging circuit allows four 18650 batteries to be connected in series and features 6 independent outputs: 2-way...
Turn a wall adapter into a mini power supply with this incredibly useful adapter. A high quality molded 2.1mm DC barrel jack is brought out to red (center positive)...
Adafruit are carrying this adapter primarily to allow Chumby Hacker Board users to adapt Adafruit's nice 5V @ 2A power supply to their CHB. But you can use this adapter for anything...
Quadruple your power adapters with this wonderfully simple 4-way power jack splitter. All you have to do is connect a standard 5.5mm/2.1mm sized plug into one end...
This power jack is designed to easily attach to a panel up to 8mm thick (0.315" or 5/16") and fit 2.1mm power plugs snugly and securely. Perfect for adding a power...
"Hrmph! All I have is a power supply with a 2.1mm plug and my doodly-whatsit has a 2.5mm jack. I keep trying to force the plug to fit but that 0.4mm difference just...
Heads up! Our forum has separate search to our main website. You are about to be redirected to our forum and when you arrive you can search for forum only content using the icon shown below. Click continue to search our forum.
Please continue if you would like to leave feedback for any of these topics:
Website features/issues
Content errors/improvements
Missing products/categories
Product assignments to categories
Search results relevance
For all other inquiries (orders status, stock levels, etc), please contact our support team for quick assistance.
Note: click continue and a draft email will be opened to edit. If you don't have an email client on your device, then send a message via the chat icon on the bottom left of our website.
Makers love reviews as much as you do, please follow this link to review the products you have purchased.