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2022-25-04
User Guide for XENSIV™ KIT PAS CO2
Hardware description
Figure 42
Front view of the
XENSIV™ PAS CO
2
wing
Table 4
Onboard HW description
Designator
Function
U1
Digital barometric pressure sensor DPS368
U2
2:1 (SPDT), 1-channel analog switch, programmable control of the on and off output 3 V
U3
28-pin Adafruit feather-compatible adaptor headers
U4
Boost/inverting DC-DC converter with 2 A switch, soft-start and synchronization
DUT1
XENSIV™
PAS CO
2
BT1
Touch button, active low
BT2
Touch button, active low, system reset function
D2
Green color LED for acceptable level of CO
2
concentration
D3
Red color LED for alarm level of CO
2
concentration
D5
Yellow color LED for warning level of CO
2
concentration
BZ1
Option for buzzer (not populated by default)
5.2.2
Adafruit feather-compatible connectors
The image highlights the 28-pin Adafruit feather-compatible adaptor headers. The function of the respective
header pins is described in Table 3. The image also shows the test points which were used for testing the
boards in the lab or production.
Figure 43
Adafruit headers and test points on the back view of the
XENSIV™ PAS
CO2 wing
Table 5
Adafruit feather-compatible pin-out
