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DB9 Female Breakout Board
$2.95This handy DB9 breakout board takes all 9 pins of this standard connector and links them to large screw terminals. -
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SparkFun Transceiver Breakout – RS-485
$17.95Light PacketConvert UART serial to RS485 with this handy breakout board! With single direction transmission speeds of up to 10Mbps, and low power requirements, it is…