งานที่5
Code
int led = 13;
int sw = 2;
void setup()
{
Serial.begin(9600);
pinMode(led,OUTPUT);
pinMode(sw,INPUT);
}
void loop()
{
int x;
x = digitalRead(sw);
Serial.print("x = ");Serial.println(x);
digitalWrite(led,!x);
}
DIY Arduino Traffic Light Pedestrian Light Push Button Control (https://thecustomizewindows.com/2016/06/diy-arduino-traffic-light-pae-push-button/)
ere is How to Create LED DIY Arduino Traffic Light – Pedestrian Light Push Button Control . When Pedestrians Will WALK, Cars Will Stop Logic.There is actually two parts – one is building the LED DIY Traffic Lights and Second Part is the Coding. We are using push button, but it can be a sensor in real. Most commonly many websites write about Arduino Traffic Light which automatically goes OFF and ON. That is not practical, it is more towards toy. It is example of basic implementation of Finite State Machines modeling in embedded. Creating DIY Arduino Traffic Light Pedestrian Light This should be a separate chapter. Raspberry has great pre-built traffic light add-ons like PI-TRAFFIC, PI-STOP, Traffic HAT and so on. But they cost minimum $10 for a set of two. Additionally we are not getting the desired realistic Pedestrian Light. For total 5 LEDs, it is meaningless to pay $10. We are taking about this stuff : You can mount the LED on PCB to get such thing or just put them over...
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