Occupancy and Air
Sensor
TM
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document, including direct, indirect, special or consequential damages.
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information contained therein does not create any license to Gumstix’s Intellectual Property.
The Information contained herein is subject to change without notice. Revisions may be issued regarding changes
and/or additions.
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Board Description
Occupancy and Air Sensor
Board Dimensions
6.5cm x 3cm
i
Contents
1 Modules on Board
1.1 Processors . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
1.1.1 ATSAMW25 M0+WiFi (v1) (1) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
1.2 USB . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
1.2.1 Standard-A Plug (v6) (2) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
1.3 Power . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
1.3.1 3.3V/1.5A Regulator (v11) (3) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
1.4 Sensors . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
1.4.1 Humidity Sensor (v3) (4) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
1.4.2 Passive Infrared (PiR) - Motion Sensor (v1) (5) . . . . . . . . . . . . . . . . . . . .
1.4.3 Barometer (v8) (6) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
1.5 IO . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
1.5.1 Top-side LED (v4) (7) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
1.5.2 Tactile Switch (v16) (8) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
2 Module Connections Graph
3 Module Power Graph
1
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1
2
2
2
2
2
2
3
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4
5
ii
Occupancy and Air Sensor
1
1 Modules on Board
1.1
Processors
1.1.1 ATSAMW25 M0+WiFi (v1) (1)
The Atmel SMART SAMW25 module is based on the industry leading low-power 2.4GHz IEEE 802.11
b/g/n Wi-Fi ATWINC1500 SoC (System on Chip) combined with the ARM Cortex-M0+ based microcon-
troller technology from Atmel.
Datasheet available at:
http://ww1.microchip.com/downloads/en/DeviceDoc/Atmel-42395-SmartConnect-ATSAMW25-MR210PA_
Datasheet.pdf
Requires:
•
VCC 3.3 from 3.3V/1.5A Regulator (3)
Provides:
•
USB DEVICE to Standard-A Plug (2)
•
I2C to:
–
Humidity Sensor (4)
–
Barometer (6)
•
VLOGIC to:
–
Humidity Sensor (4)
–
Barometer (6)
–
Tactile Switch (8)
Revised June 28, 2017