![](https://cos-cdn.shuashuati.com/pipixue-web/2020-1231-2005-12/ti_inject-812ce.png)
以下是按键方式控制继电器代码,实现的功能是? if(KEY1==0) { DelayMs(20); if(KEY1==0) { temp ++; OledClearHalf(2); if(temp%2==0) { LED2_OFF(); LED3_ON(); DATA_IO1 = 0; BUZZER_ON(); DelayMs(100); BUZZER_OFF(); OledSprintf(3,1,"关"); } else { LED2_ON(); LED3_OFF(); DATA_IO1 = 1; BUZZER_ON(); DelayMs(300); BUZZER_OFF(); OledSprintf(3,1,"开"); } } }