**Please note that all CO2Meter operations will close starting at 3:00 pm et. Friday, April 19 in observance of the Easter holiday. All operations will reopen Tuesday, April 23 at 8:30 am et. All orders placed after noon et. on April 19 will ship on April 23. Thank you.**


Connecting LP8 CO2 Sensor to Arduino

Our engineers have written a new application note titled: AN162: Connecting the LP8 CO2 Sensor to an Arduino via UART.

This document allows you to talk to SenseAir's LP8 miniature CO2 sensor with an Arduino Uno, Mega or Mega2560 microcontroller using a UART TXT-RXD connection. The example Arduino code uses Software.Serial, a library built into the Arduino software.

The LP8 sensor is primarily intended for battery applications. While it can take a measurement as often as every 16 seconds, frequent measurements will decrease battery life. Therefore, the code shows how to put the sensor to sleep between measurements.

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