Datasheet

Resolution
Pin out
1 SDA
2 NC
3 VCC
4 PRB
5 PRB
10NC
9NC
8SCL
7INT
6GND
Power on/start up
Once the Atlas Scientific
™
EC OEM
™
is powered on it will be ready to receive commands
and take readings after 1ms. Communication is done using the SMBus/I
2
C protocol at
speeds of 10 – 100 kHz.
Settings that are retained if power is cut
Calibration
I
2
C address
Active/Hibernation mode
LED control
Interrupt control
Settings that are NOT retained if power is cut
WriteStart Stop
Stop
Reg
Address
WriteStart Data Stop
Reg
Address
Start Stopunlock register
unlock register
0x55
Start Stop0xAA
ReadStart
The resolution of a sensor is the smallest change it can detect in the quantity that it is
measuring. The Atlas Scientific
™
EC OEM
™
will always produce a reading with a resolution
of two decimal places.
Example
0.07µS
150,234.78µS
6
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