Sponsor of the Day:
Jerkmate
https://www.adafruit.com/product/875
8 x AA battery holder with 5.5mm/2.1mm Plug and On/Off Switch : Adafruit Industries, Unique & fun...
Make a portable power brick with plenty of juice! Use Alkaline AA's for a 12V 3000-4000mAh power supply, or rechargeable NiMH for 2000mAh 9.6V supply. Either...
5 5mm 2switch adafruit industries8 xaa battery1mm plug
https://www.adafruit.com/product/373
Breadboard-friendly 2.1mm DC barrel jack : Adafruit Industries, Unique & fun DIY electronics and...
This power jack is designed to fit 2.1mm power plugs snugly and securely. Perfect for adding a power connector to your project. We went for the more expensive...
2 1mm dcjack adafruit industriesunique fun diybreadboardfriendly
https://www.adafruit.com/product/4536
2.1mm 5VDC Barrel Jack to USB C Adapter : Adafruit Industries, Unique & fun DIY electronics and kits
As technology changes and adapts, so does Adafruit, and speaking of adapting, this adapter has a 2.1mm barrel jack socket and a USB C plug - you could use this...
usb c adapteradafruit industries uniquefun diy electronics2 1mmbarrel jack
https://www.adafruit.com/product/80
9V battery clip with 5.5mm/2.1mm plug : Adafruit Industries, Unique & fun DIY electronics and kits
I found these high-quality battery clips. They're molded plastic so they won't tear like cheap clips, and they cover the battery terminals to prevent...
5 5mm 2plug adafruit industriesunique fun diy9v batteryclip
https://www.adafruit.com/product/67
9V battery holder with switch & 5.5mm/2.1mm plug : Adafruit Industries, Unique & fun DIY...
This is a 9V battery pack with on/off switch and a pre-attached 5.5mm/2.1mm center-positive barrel plug. Use this to battery-power your Arduino (or other...
5 5mm 2plug adafruit industriesunique fun diy9v batteryholder
https://www.adafruit.com/product/3456
5 x AA Battery Holder with 2.1mm DC Jack : Adafruit Industries, Unique & fun DIY electronics and...
Here's yet another addition to our family of AA battery holders. It's a holder for five (5) AA batteries, with 5" wire leads. It's black and has a 2.1mm barrel...
2 1mm dcjack adafruit industriesunique fun diy5 xaa battery
https://www.adafruit.com/product/3546
2.1mm DC Barrel Jack to 1st Generation MagSafe Adapter : Adafruit Industries, Unique & fun DIY...
If you've ever owned a 1st generation MacBook, you'll recognize this little friend. The premise of this 2.1mm DC Barrel Jack to 1st Generation MagSafe Adapter...
2 1mm dcadapter adafruit industriesunique fun diybarrel jack1st generation
https://www.adafruit.com/product/1328
2.1mm DC Barrel Jack to Alligator Clips : Adafruit Industries, Unique & fun DIY electronics and kits
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...
2 1mm dcadafruit industries uniquefun diy electronicsbarrel jackalligator clips