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part number : MAX232 Description : 5V RS232 transceiver. To operate, connect two capacitors to the C1 and C2 pins,one between the V- and GND and one between V+ and GND.For the MAX232, capacitors should be 10uF.
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C1+| 1 16| VCC
V+| 2 15| GND
C1-| 3 14|T1out
C2+| 4 13| R1in
C2-| 5 12|R1out
V-| 6 11| T1in
T2out| 7 10| T2in
R2in| 8 9|R2out
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