利用keil c去實現一個小時鐘 *動作：由四位數七段顯示器顯示電子鐘的分及秒時間值 *接線：Data=七段顯示器低電位輸出=Pgfedcba * 低電位掃描：S3~0=千、百、十、個位數 *硬體：SW1-1(SEG7)ON-Use keil c to achieve a small clock * Action: the four-digit seven-segment display electronic clock minutes, and seconds time v

Low power, loop powered miliamperes indicator using 2 1/2 seven segment LCD display and STM32L053. Circuit and keil C code include.