1st part: nextion display, standalone mode


 
  
  
  
  
  Scheduler
 Scheduler
 
  
  
  Fan / Pump
 Fan / Pump
 
  Blink Led
 Blink Led
 Boiler
 Boiler
 
  Temp setting
 Temp setting
 
  Season
 Season
 
  Wifi signal
 Wifi signal
 
  Display on/off
 Display on/off
 
  Alert / lock
  Alert / lock
 Setup and boiler control
 Setup and boiler control
1st part: nextion display, standalone mode


 
  
  
  
  
  Scheduler
 Scheduler
 
  
  
  Fan / Pump
 Fan / Pump
 
  Blink Led
 Blink Led
 Boiler
 Boiler
 
  Temp setting
 Temp setting
 
  Season
 Season
 
  Wifi signal
 Wifi signal
 
  Display on/off
 Display on/off
 
  Alert / lock
  Alert / lock
 Setup and boiler control
 Setup and boiler control
BT18 Display on/off , touch press event
if(va2.val==255)
{
  va2.val=0
  dim=va2.val // backlight off
}
page 3 // goto page 3
page 3 touch press event
dim=255 // backlight on
page 0 // return to first pageHow to animate Fan ?
I’ve created One timer tm0 and one Variable va0
this is timer event :
bt12.pic=va0.val //bt12 is fan
va0.val=va0.val+1
if(va0.val>38) //36 to 38 are the png fan pic, corresponding to the 3 fan pics positions to make it turn.
{
  va0.val=36
}Last graphic release 

signal strength
 
  
  
 
Next step, the sketch 
Yes, I saw it.
The mine is home made 