SparkFun DC Barrel Jack Plug - Female Connectors, Power Supplies Condenser Microphones Have you ever seen a

Have you ever seen a Weevil

USB On-The-Go is a really useful USB specification

The El Escudo Dos contains circuitry to safely switch high-voltage AC on and off

The board was conveniently designed to mate directly with the SparkFun Arduino Pro series of boards for wireless bootloading and USB based configuration

one of which is to use it is a mini solar cell to power your project

SparkFun DC Barrel Jack Plug - Female Connectors, Power Supplies Condenser Microphones Have you ever seen aThis 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.