Arduino ( atmega ) pins configured as input are said to be in a high - impedance state 接口如設(shè)置為input輸入模式將導(dǎo)致該接口處于高電阻狀態(tài)。
You connect 11 leds to 11 arduino digital pins , through a 220 ohm resistance ( see image above ) 連接十一個(gè)led到十一個(gè)數(shù)位輸出的接腳,并各自串接一個(gè)220歐姆的電阻。
百科解釋
Arduino is a single-board microcontroller designed to make the process of using electronics in multidisciplinary projects more accessible. The hardware consists of a simple open source hardware board designed around an 8-bit Atmel AVR microcontroller, though a new model has been designed around a 32-bit Atmel ARM.