Difference between revisions of ""CO2 Sensor MH-Z19""
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== Hardware == | == Hardware == | ||
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[[File:mh-z19.jpg]] | [[File:mh-z19.jpg]] | ||
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VCC 6 5V | VCC 6 5V | ||
GND 7 GND | GND 7 GND | ||
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| − | + | RX 3 2nd GPIO specified in Device-settings | |
= Software = | = Software = | ||
Latest revision as of 14:40, 5 April 2018
Introduction
The ESP module can read the MH-Z19 CO2 Sensor reading the serial protocol.
Hardware
The sensor needs to be connected this way:
Function: Pin MH-Z19 ESP8266 VCC 6 5V GND 7 GND TX 2 1st GPIO specified in Device-settings RX 3 2nd GPIO specified in Device-settings
Software
Plugin is based upon SenseAir plugin by Daniel Tedenljung info__AT__tedenljungconsulting.com Additional features based on https://geektimes.ru/post/285572/ by Gerben (infernix__AT__gmail.com)
ESP Easy
Use the device tab on the ESP Easy webinterface and create a new task by editing one of the available tasks. Select "NDIR CO2 Sensor MH-Z19 [TESTING]" from the dropdown box.
Select the GPIO Ports where you connected the RX and TX lines to.
