TTL To RS232 Module（PSU-ONECOM）
$3.95
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PSU—ONECOM has a DC 5V power jack. It converts 3.3V to RS232 level. It can work as both a power supply module and a TTL2RS232 interface. It can work as a power module with the NanoPi and NanoPi2. It works with FriendlyARM developed 4412 ADK/ 2451 /2416/2440/6410/210 boards and Raspberry Pi boards.
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$3.95
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