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Arduino 4-20 mA + RTC Shield User's Manual
6 PORT MAPPING
The I/O ports used by the Arduino 4-20mA + RTC Shield cannot be used by
another shield, with the exception of SDA, SCL and RESET signals.
Pin
ANALOG 0
ANALOG 1
ANALOG 2
ANALOG 3
ANALOG 4/SDA
ANALOG 5/SCL
RESET
7 ELECTRICAL CHARACTERISTICS
9-12 VDC power supply.
100mA maximum current. (not considering transmitters power consumption)
8 MECHANICAL CHARACTERISTICS
Dimensions (WidthxLengthxHeight) 54x69x11 [mm]
9 DOCUMENT HISTORY
Revision
Date
1.0
January 31, 2011
Luis Thayer Ojeda 0115 Of. 402 ▪ Santiago, Chile ▪ Tel. +56 2 3339579 ▪ info@olimex.cl
Name
Function
AN1
Channel 1 analog input
AN2
Channel 2 analog input
AN3
Channel 3 analog input
AN4
Channel 4 analog input
SDA
SDA signal for communication with Real Time
Clock
SCL
SCL signal for communication with Real Time
Clock
RESET_ARD
Arduino board reset
Edited by
E. Martin
www.olimex.cl
Description/Changes
Initial document version
Page 10 of 10
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