Arduino compatible software for ESP8266 based environmental monitoring station. Includes temperature, humidity, barometric pressure and PM2.5, PM10 dust monitoring
Sensor board sometimes returns incorrect firmware version with status OK.
Some of tested sds011 sensors returned 1.0.0 version [year.month.day].
Solution:
version should be checked against possible ranges (at least month and day) and result in different status (not ok - it may require new status)
Hello!
I use the same UART channel to read data from sensor (via RX pin of controller) and send debug messages (via TX pin). So there is no connection between controller's TX pin and sensor's RX pin.
In my case PMS5003 sensor works fine without sending any command to it.
Your library sends "passive mode" command in 'init' and 'trigRead' methods: uart->write(cfg, msgLen); // set passive mode
Sensor board sometimes returns incorrect firmware version with status OK.
Some of tested sds011 sensors returned 1.0.0 version [year.month.day].
Solution:
version should be checked against possible ranges (at least month and day) and result in different status (not ok - it may require new status)