3" Barrel Jack 2.1mm Power Switch

Sparkfun ElectronicsSKU: RB-Spa-790
Manufacturer #: COM-11705

Price  :
Sale price £2.52

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Stock  :
Only 2 units left


  • On-Off Rocker Switch
  • Fairly small so it won't add too much unnecessary bulk to your project
  • Barrel Connector: 5.5 x 2.1mm
  • Cable: 85mm Long (Each Side)

The 3'' Barrel Jack 2.1mm Power Switch is nothing fancy but it is really useful. Plug your power supply into one end and the other into your project and, just like that, you've got a power switch.


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