These are 9"(23cm) long jumper wires terminated as female to female. Use these to jumper from any male header on any board such as DFRobot IO Shields. Multiple jumpers can be connected next to one another on a 0.1" header. Comes in one pack of ten jumpers (colors may vary).
We use these wires for everything! They work great with breadboards, Arduino, and really any 0.1" pitch prototyping board.
If you are interested in Internet of Things (IoT) or M2M projects check our open source sensor platform Waspmote which counts with more than 100 sensors available to use 'off the shelf', a complete API with hundreds of ready to use codes and a low consumption mode of just 0.7µA to ensure years of battery life.
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