《七段数码管引脚图》

数码管使用条件：

a、段及小数点上加限流电阻

b、使用电压：段：根据发光颜色决定； 小数点：根据发光颜色决定

c、使用电流：静态：总电流 80mA（每段 10mA）；动态：平均电流 4-5mA 峰值电流 100mA

-" Seven-Segment Digital control pin map"　the conditions governing the use of digital: a, section and add a decimal point limiting resistor b, the use of voltage: paragraph: According to the luminous color decision　decimal point: According to the luminous color of the decision c, using the current: Static: total current of 80mA (Each 10mA)　Dynamic: 4-5mA average current 100mA peak current