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Add detail comments #3

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Add detail comments #3

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16 changes: 9 additions & 7 deletions sname.ino
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Original file line number Diff line number Diff line change
@@ -1,4 +1,5 @@
#include <SoftwareSerial.h>

//pin location
int mo1 = 7;
int mo2 = 2;
Expand All @@ -16,6 +17,7 @@ char K;
float cm;
SoftwareSerial BTSerial(0, 1);
char val;

void setup() {
// put your setup code here, to run once:
Serial.begin(9600);
Expand Down Expand Up @@ -55,7 +57,7 @@ void loop() {
cm = pulseIn(echo, HIGH) / 58.0;
delay(5);
Serial.println(cm);
if (K == '1') { //前進
if (K == '1') { //前進 go straight
digitalWrite(mo1, LOW);
digitalWrite(mo2, HIGH);
digitalWrite(mo3, HIGH);
Expand All @@ -65,7 +67,7 @@ void loop() {

}

if (K == '2') { //左轉
if (K == '2') { //左轉 turn left
digitalWrite(mo1, LOW);
digitalWrite(mo2, HIGH);
digitalWrite(mo3, HIGH);
Expand All @@ -75,7 +77,7 @@ void loop() {

}

if (K == '3') { //右轉
if (K == '3') { //右轉 turn right
digitalWrite(mo1, LOW);
digitalWrite(mo2, HIGH);
digitalWrite(mo3, HIGH);
Expand All @@ -84,7 +86,7 @@ void loop() {
analogWrite(mo6, 140);

}
if (K == '4') { //後退
if (K == '4') { //後退 turn back
digitalWrite(mo1, HIGH);
digitalWrite(mo2, LOW);
digitalWrite(mo3, LOW);
Expand All @@ -93,7 +95,7 @@ void loop() {
analogWrite(mo6, mo6v);

}
if (K == '5') { //空檔
if (K == '5') { //空檔 stall
digitalWrite(mo1, HIGH);
digitalWrite(mo2, LOW);
digitalWrite(mo3, HIGH);
Expand All @@ -102,7 +104,7 @@ void loop() {
analogWrite(mo6, 0);

}
if (K == '6') { //煞車
if (K == '6') { //煞車 break
digitalWrite(mo1, HIGH);
digitalWrite(mo2, HIGH);
digitalWrite(mo3, HIGH);
Expand All @@ -111,7 +113,7 @@ void loop() {
analogWrite(mo6, 255);

}
if (K == '8') { //加速前進
if (K == '8') { //加速前進 high straight
digitalWrite(mo1, LOW);
digitalWrite(mo2, HIGH);
digitalWrite(mo3, HIGH);
Expand Down