I use the MQ9 and MQ135 with the analog plugin ;) Hi, I'm just trying to use MQ135 with espeasy, but i'm not sure how to connect it and how to interprete the data. As i understand the MQ135 is working with 5V and the sensor has variable resitence, so it delivers a voltage in relation to the referen...

Hi Martinus, thanks for your answer. I guess it has something to do with charsets or encoding using browser or curl. I'm using FHEM and have already some LCD's in use, but connected via Arduino and configurable Firmata. I'm using "ß" to write the degree sign, that works perfect because the...

Hello Folks, found some days ago this great project and started to create my sensors. Everything works, i'm using DHT22, BMP180, BH1750 and a 16x4 I2C LCD Display. with ESP core 2.0 and development version R57 i can use the lcd command via the webserver but i have troubles to post special characters...