3.3V
3.3V
3.3V
3.3V
U1
UEXT
sck
3
1
2
RO VCC
/RE
B
DE
A
DI
GND
8
7
6
5
1
ADM3483ARZ
2
3
#SS
BH10S
SCL/SCK
1
2
3
4
RXD
SDA
#ss
SCK
2
4
6
8
10
#SS/SDA
TXD
SCL
1
3
5
7
9
R3
NA
2
0
+
47uF/6.3V/tant
1
100nF
C2
ENABLE_RT
C1
R1
NA
R5
NA
B
A
RT
120R
R2
NA
MOD-RS485_rev_A
Olimex LTD, Bulgaria, 2013
https://www.olimex.com
This hardware design by Olimex LTD is licensed under a Creative Commons Attribution-ShareAlike 3.0 Unported License.
R6
NA
3.3V
R4
100R
TB4/5MM
RS485-4
RS485-3
RS485-2
RS485-1
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