采用AT89C2051的数字可调稳压电源单片机-AT89C2051 using digital adjustable regulated power supply Singlechip

利用键盘来设置直流稳压电源的输出电压，并由数码管显示输出电压设定值的可调数显直流稳压电源-Use the keyboard to set the DC regulated power supply output voltage by the digital display output voltage settings of the adjustable DC Power Supply Digital Display

单片机实现直流数控稳压电源,可调电压为0-9.9伏,步进为0.1伏,可以自动扫描键盘以增加或者减少电压-MCU NC Regulators DC power supply with adjustable voltage of 0-9.9 volts, stepping to 0.1 volts, can automatically scan the keyboard to increase or reduce the voltage