This adapter allows you to connect a barrel jack connector to bare wires.
One end has screw terminals and the other has a 5.5×2.1mm, 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.
- Brand new and high quality
- Simply & Professional appearance for power cabling
- Easier for camera and LED light strip installation, save time and more securer cable connection
- No electrical tap, No splicing, no crimping, but only a small screw driver
- 5.5mm x 2.1mm male power plug connector
- Internal diameter of the plug: 2.1mm
- External diameter of the plug: 5.5mm
- Size: 3.5cm x 1.4cm x 1.2cm – 1.37inch x 0.55inch x 0.47inch
![Micro Limit Switch [5A-125V~220V]](https://trusttronics.com/wp-content/uploads/2025/06/1000010087-250x188.jpg)
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