(在这个针脚下一次调用analogWrite() ,或者调用digitalRead()或者digitalWrite(),针脚的输出会改变为相应的函数执行), PWM信号的频率近乎于490Hz. 在大多数的Arduino板 ... ... <看更多>

There is a Bug in Version 1.8.10 of the Arduino IDE using analogWrite() for PWM on Arduino Mega 2560. If i use analogWrite() with any value ... ... <看更多>

As Juraj said, analogRead does not return volts, instead it returns a number that must be converted to volts using a formula. ... <看更多>

I can confirm that 1023 does indeed give 100% duty cycle. I connected an output of my D1 Mini to my oscilloscope and got a steady voltage. ... <看更多>

【Arduino冷知識1】 使用伺服馬達時，最好避開D9以及D10的PWM功能analogWrite()， 如果你用的是Mega版，在超過12個Servo的狀況下，則需避開D11與D12 ... ... <看更多>