arduino rs-485 sheild - GitHub

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V+. DISCH. THRS. VCTRL. NE 555. IN414B. 120. Tx. Rx. 0.01µF. 0.01µF. COPYRIGHT@2010, S. MAKONIN. DECEMBER 29, 2010. AR
ARDUINO RS-485 SHEILD 5V DC

Tx

B

Rx

A

GND

GND

120

R

V+

RE

B

DE

A GND

D

MAX 485

IN414B

GND

V+

TRIG

DISCH

OUT

THRS

RES

VCTRL

NE 555

3k9

COPYRIGHT@2010, S. MAKONIN DECEMBER 29, 2010