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