Somewhere I read, that oleds develop burn-in from luminance degradation of the light-emitting pixels. I think it must be possible to shut down the display with a command. it is possible to set the contrast level. Just change in file _P023_OLED.ino (Line 438 ) Plugin_023_sendcommand(0x81); //SETCONT...

I'm having the same problem in R047 with dht11 and also with a sdd1306 oled. I cant edit a device. In chrome I get a 'ERR_CONTENT_LENGTH_MISMATCH' error. In the serial log: 'No heap available, failed to malloc 4960' My free mem is : 16520 What's the cause and are there any solutions? I found the so...

I'm having the same problem in R047 with dht11 and also with a sdd1306 oled.
I cant edit a device. In chrome I get a 'ERR_CONTENT_LENGTH_MISMATCH' error.
In the serial log: 'No heap available, failed to malloc 4960'
My free mem is : 16520

What's the cause and are there any solutions?