Male DC 2.1mm Power Adapter to Screw Terminal Block
Use this adapter to connect a DC Female 2.1mm jack to a power supply that comes from wires. This adapter has a 2.1mm DC male barrel-type plug on one side, and screw terminals on the other, useful to power-up devices from batteries or professional DC power supplies.
The adapter has labels for positive and negative connections on the terminals, and has positive-center configuration. Works well with Arduinos and development board with a 2.1mm female jack.
IR LED Module – infrared LED Tx
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اردوينو اونو الاصدار الصيني UNO Board SMD China 












