The traffic lights controller based on AT89C51 is made up of the SCM system with the crystal circuit and resetting circuit, and periphery circuits with 14094, 1413, DS1302 and converting circuits etc.

• 交通信号控制器，由基于单片机AT89C51的晶振电路和复位电路单片机系统，以及14094、1413、DS1302和电源转换等外围电路2部分构成。