说明：  用AVR mage8 单片机做的电流表。 LCD显示用的是 1602 比较常用的一种。 一个运算放大器。 感兴趣的朋友可以拿去玩玩儿。 网上一般是用2051 来制作的。 而这个方案的特点是体积小。功耗低。适合于应用于使用电池的方案。
(MCU AVR mage8 to do with the ammeter. LCD display is the 1602 with the more common kind. An operational amplifier. Friends interested in children is unspeakable in play. Internet is generally used to produce in 2051. And this program is characterized by small size. Low power consumption. Suitable for the use of batteries used in the program.)