可调稳压电源，基于单片机STC12C5A60S2，可调稳压输出，7段共阴数码管显示。1.25V至37V，精度0.1v。-Adjustable power supply, based on single-chip STC12C5A60S2, adjustable voltage output, 7-segment common cathode digital display. 1.25V to 37V, the accuracy of 0.1v.