Distinguish Original SanDisk

In Indonesia, there are 2 SanDisk Distributor. Previously 4 but now only 2 left

1. PT. Astrindo Senayasa

Mangga Dua Square, Ruko blok G No. 24-27, Jl. Gunung Sahari Raya no. 1 Jakarta Utara 10730 Indonesia

Tel: +6221 2938 2288 Fax: +6221 2938 2289

“GENUINE PRODUCT ASTRINDO” hologram on the package

2. PT. Datascrip

Jl Selaparang Blok. B-15 Kav. 9 Komp. Kemayoran Jakarta Pusat 10610 Indonesia

Tel: +6221 6544515 ex. 280 Fax: +6221 6544811-12

“DATASCRIP” hologram on the package

Hologram ASTRINDO GENUINE PRODUCT

Hologram Datascrip

-check

Made in China

Font thinner

-check Read/Write test with Android “A1 SD Bench” app

-check with Windows H2testw app

Line Tracking Sensor

SOURCE: http://www.instructables.com/id/Arduino-Detecting-a-White-Line-With-the-KY-033/

https://www.youtube.com/watch?v=RDD1OktBrLM

COMPONENTS:

-Arduino Uno

-KY-033 Line Tracing Sensor

-Buzzer

CODE:

int buzzer = 13;

int Sensor = A0;

int sensorValue = 0;

void setup () {

  pinMode (buzzer, OUTPUT);

  Serial.begin (9600);

}

void loop () {

  sensorValue = analogRead (Sensor);

  if (sensorValue < 50&& sensorValue < 500)

  {

  digitalWrite (buzzer, HIGH);

  Serial.println (sensorValue, DEC);

  }

  else (sensorValue > 500&& sensorValue > 1023);

  {

  digitalWrite (buzzer, LOW);

  Serial.println (sensorValue, DEC);

  }

}