液晶1620A数字钟 液晶1620A数字钟-LCD 1620A Digital Clock

液晶数字钟，可以在液晶上精确显示时、分、秒，并且能显示年、月、日。-LCD digital clock can be displayed on the LCD on the exact hours, minutes, seconds, and can display year, month, day.

液晶1脚接1602黑色排母的1脚 如果是无背光的液晶只有14个脚 排母右边空2个位 请把液晶对比度电位器顺时针调制10点钟方向，请勿多调超出极限位置会损坏电位器！-LCD 1 feet connected to 1602 black row mother of the 1 foot if there is no backlight LCD only 14 row row mother row right empty the 2 bit Please adjust the LCD co