空调控制器，用6502系列CPU作为主芯片，控制继电器，实现空调的加热，致冷，通风，定时等设置。-HVAC, and 6502 series CPU chip as the main control relays, Implementation of the air conditioning heating, cooling, ventilation, such as setting up regularly.

hvac节点环境参数测试，采用DS18B20，湿度模块，测量温湿度，并控制光照度，风扇。数码管显示

this cod in about simulation of HVAC system in matlab.