Datasheet

0x06 – Active/hibernate register
Settings to this register are not retained if the power is cut.
This register is used to activate, or hibernate the sensing subsystem of the OEM device.
Once the device has been woken up it will continuously take readings every 640ms.
Waking the device is the only way to take a reading. Hibernating the device is the
only way to stop taking readings.
0x05 – LED control register
1 unsigned byte
Command values
1 = Blink each time a reading is taken
0 = Off
1 unsigned byte
To wake the device
Transmit a 0x01 to register 0x06
To hibernate the device
Transmit a 0x00 to register 0x06
The LED control register adjusts the function of the on board LED. By default the LED
is set to blink each time a reading is taken.
byte i2c_device_address=0x64;
byte led_reg=0x05;
Wire.beginTransmission(i2c_device_address);
Wire.write(led_reg);
Wire.write(0x00);
Wire.endTransmission();
Example code
Turning off LED
byte i2c_device_address=0x64;
byte active_reg=0x06;
Wire.beginTransmission(i2c_device_address);
Wire.write(active_reg);
Wire.write(0x01);
Wire.endTransmission();
Example code
Activate EC readings
640ms
119,000 µS
EC logic control
EC logic control
EC probe
reading control
EC probe
reading control
0x00
0x01
0x02
0x03
0x04
0x05
0x06
0x07
0x08
0x09
0x0A
0x0B
0x0C
0x0D
0x0E
0x0F
0x10
0x11
0x12
0x13
0x14
0x15
0x16
0x17
0x18
0x19
0x1A
0x1B
0x1C
0x1D
0x1E
0x1F
0x20
0x21
0x22
0x23
18
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