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  • amrus2011 commented on deba168's instructable Smartphone Controlled Arduino Rover7 months ago
    Smartphone Controlled Arduino Rover

    We used the HC SR-04. I think the HC SR-05 has 5 pins instead of 4 because of the Bluetooth capabilities. If you use the 05, do not connect the 4th pin to anything. Connect GND to pin 5. If you use pin 4 as GND, I think it will act like the 3 pin version. If you have not bought the sensor yet, just use the HC SR-04. It works just fine. Which ever one you use, be sure you have downloaded the library for that component. Good luck with your build.

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  • amrus2011 commented on deba168's instructable Smartphone Controlled Arduino Rover7 months ago
    Smartphone Controlled Arduino Rover

    I'm afraid I can't help you with your problem. We did not build that version. Ours was the obstacle avoidance model. We did not use a remote control or a smart phone to control our cars. They ran on their own, uncontrolled. You are going to have to upload the code for the smart phone version that uses Bluetooth. I hope you get it working.

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  • amrus2011 commented on deba168's instructable Smartphone Controlled Arduino Rover11 months ago
    Smartphone Controlled Arduino Rover

    Unfortunately the actual code is on my computer at school and since we on summer holiday now, it will be the 1st of September before I will have access to it. However I did find this on one of my flash drives. I'm not sure if this is the correct code that's on my school computer, but what have you got to lose, right? I hope it works for you. Let me know either way yes or no. //Arduino Obstacle Avoiding Robot //Code adapted from http://www.educ8s.tv //First Include the NewPing and Servo Libraries #include<NewPing.h> #include<Servo.h> #defineTRIG_PIN A4 #defineECHO_PIN A5 #defineMAX_DISTANCE 200 NewPingsonar(TRIG_PIN, ECHO_PIN, MAX_DISTANCE); Servomyservo; booleangoesForward=false; intdistance = 100; intspeedSet = 0; constint motorPin1 = 11; constint motorPin2 = 10; //...

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    Unfortunately the actual code is on my computer at school and since we on summer holiday now, it will be the 1st of September before I will have access to it. However I did find this on one of my flash drives. I'm not sure if this is the correct code that's on my school computer, but what have you got to lose, right? I hope it works for you. Let me know either way yes or no. //Arduino Obstacle Avoiding Robot //Code adapted from http://www.educ8s.tv //First Include the NewPing and Servo Libraries #include<NewPing.h> #include<Servo.h> #defineTRIG_PIN A4 #defineECHO_PIN A5 #defineMAX_DISTANCE 200 NewPingsonar(TRIG_PIN, ECHO_PIN, MAX_DISTANCE); Servomyservo; booleangoesForward=false; intdistance = 100; intspeedSet = 0; constint motorPin1 = 11; constint motorPin2 = 10; //MotorB constint motorPin3 = 6; constint motorPin4 = 5; voidsetup() { myservo.attach(9);myservo.write(115);delay(2000);distance = readPing();delay(100); distance= readPing(); delay(100);distance= readPing(); delay(100);distance= readPing(); delay(100);}voidloop() { intdistanceR = 0; intdistanceL = 0; delay(40);if(distance<=20){moveStop();delay(100);moveBackward();delay(300);moveStop();delay(200);distanceR= lookRight(); delay(200);distanceL= lookLeft(); delay(200);if(distanceR>=distanceL){turnRight();moveStop();}else {turnLeft();moveStop();}}else{moveForward();}distance= readPing(); }intlookRight() {myservo.write(50);delay(500);intdistance = readPing(); delay(100);myservo.write(115);returndistance; }intlookLeft() {myservo.write(170);delay(500);intdistance = readPing(); delay(100);myservo.write(115);returndistance; delay(100);} intreadPing() { delay(70);intcm = sonar.ping_cm(); if(cm==0){cm= 250; }returncm; }voidmoveStop() { analogWrite(motorPin1,0); analogWrite(motorPin2,0); analogWrite(motorPin3,0); analogWrite(motorPin4,0); }voidmoveForward() { analogWrite(motorPin1,180); analogWrite(motorPin2,0); analogWrite(motorPin3,180); analogWrite(motorPin4,0); }voidmoveBackward() { analogWrite(motorPin1, 0); analogWrite(motorPin2,180); analogWrite(motorPin3,0); analogWrite(motorPin4,180); }voidturnRight() { analogWrite(motorPin1,180); analogWrite(motorPin2,0); analogWrite(motorPin3,0); analogWrite(motorPin4,180); delay(300);moveForward();}voidturnLeft() { analogWrite(motorPin1,0); analogWrite(motorPin2,180); analogWrite(motorPin3,180); analogWrite(motorPin4,0); delay(300); moveForward();}

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  • amrus2011 made the instructable Smartphone Controlled Arduino Rover1 year ago
    Smartphone Controlled Arduino Rover

    My 5th grade class made two of the obstacle avoidance robot cars and they work perfectly. Very exciting. Thanks for a great instructable.

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  • How to Make a Pure Black Photography Background

    If you still have your Nikon D3000 user manual, go to page 80 and the white balance section begins there. Fine tuning the white balance begins on page 82.

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  • amrus2011 commented on tutdude98's instructable Portable Power Supply1 year ago
    Portable Power Supply

    Good day, Nice project. I think I'll give it a try, but I have one question for you. What size diode should be used in this project?

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