Double Side 2x8 Dotted Veroboard Printed Circuit Pcb Prototype Board Project BoardDouble Sided PCBs (also known as Double SidedPlated Thru or DSPT) circuits are the gateway to higher technology applications. They allow for a closer (and perhaps more) routing traces by alternating between a top and bottom layer using vias. Great for building a prototype of an electronic circuit, double side PCB Board. Features: Material: FR 4. Hole Dia: about 1mm. Hole pitch: standard 2. 54mm. Dimension: 2 x 8 cm.

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This advanced BMS provides comprehensive protection against overcharge

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Make sure the chip modules are free from dirt and grease

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Rapid Prototyping

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Output Power: 35W (natural cooling)

GPIO: Unpopulated 40-pin GPIO connector

54 Mbps@11g

With a convenient ON/OFF button switch with indicator LED you don't have to keep plugging in and unplugging your power source

The cable has a molded  9V battery snap on it