Active Heater Chamber Display Wifi App Control ESP

Active Heater Chamber with a display 
managed by Wifi + Sinilink App 
on ESP8285 = Android + iOS

3 variants:
1- Stock Heater Chamber like Aliexpress + generic supports.

2- Modded Heater Chamber (little improvements) + support for Bambulab X1.
3- Compact Heater Chamber with separated and external display + support for Bambulab X1.

Compact Heater Chamber is designed using “Stock Heater Chamber” components.

I shared the electrical scheme in the pictures.

BOM:
- 150w 220v AC Heater

- Fan 12v 8030 blower
- XY-SA10 + ESP8285H16
- PSU - 220v AC - DC 12v 1A
- Double insulated cable 2P for AC connections.

Optional:
- Relay 10A - Coil 5v
 (to turn ON the 8030fan when heater in ON, but using a independent AC Line)
- KSD9700 45-50° 
 (to keep ON the 8030 fan when heater off but still hot)
- Thermal Fuse 120-150° 
 (to break the current to the heater if the the temp is out of control)

Caution: 

any irreversible modifications to the printer's components could void the warranty; I assume no responsibility for damage to property, personal injury, or warranty loss; do this only if you are capable and have the technical knowledge to handle dangerous AC power.