Case MAX7219 AERO

The air is drawn in from the sides and from the bottom, passively cools the LED-panels due to convection traction and goes upward, going forward, so as not to affect the temperature sensor placed behind the case.

..just add two M3x10

Used electronic components:
NodeMCU: https://aliexpress.ru/item/32656775273.html
MAX7219: https://aliexpress.ru/item/32670519650.html
RTS DS1307: https://aliexpress.ru/item/2042529856.html
BME280: https://aliexpress.ru/item/32661117200.html

http://wifi-iot.com/ - Firmware Builder