Jdy40 Arduino Example Best ((free)) Jun 2026

else if (command == "LED_OFF") digitalWrite(ledPin, LOW); Serial.println("LED turned OFF");

| JDY-40 Pin | Arduino Pin | Notes | | :--- | :--- | :--- | | | 3.3V (Not 5V!) | Using 5V will eventually kill the module. | | GND | GND | Common ground is mandatory. | | TX | Pin 2 (SoftwareSerial) | Do not use hardware Serial (Pins 0/1) for data. | | RX | Pin 3 (SoftwareSerial) | Use a voltage divider (3.3V logic is safer). | | SET | Pin 4 (Optional) | Pull LOW to enter AT command mode. | jdy40 arduino example best

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10 Comments

  • jdy40 arduino example best
    Reply Steve Johnson July 19, 2011 at 9:33 pm

    RT @spatially: 9X Effect: Google and Netflix looking at changing markets http://t.co/t4Dh3Zi

  • jdy40 arduino example best
    Reply brettweigl July 19, 2011 at 9:50 pm

    RT @spatially: 9X Effect: Google and Netflix looking at changing markets http://t.co/AFp8j2r

  • jdy40 arduino example best
    Reply Pragmatic Marketing July 20, 2011 at 1:36 pm

    RT @spatially: 9X Effect: Google and Netflix looking at changing markets http://t.co/t4Dh3Zi

  • jdy40 arduino example best
    Reply Andrew Vincent July 20, 2011 at 1:40 pm

    Google+ and Netflix both had major launches this past week, with some very interesting feedback: http://bit.ly/psS8XU #prodmgmt #tech

  • jdy40 arduino example best
    Reply Hutch Carpenter July 20, 2011 at 2:03 pm

    9X Effect: Google & Netflix looking at changing markets http://t.co/NqkxSx9 by @spatially > Incl nice graphic outlining 9x adoption issue

  • jdy40 arduino example best
    Reply Larry McKeogh July 20, 2011 at 9:55 pm

    Good analysis by @spatially – 9X Effect: Google+ and Netflix looking at changing markets http://bit.ly/oPV1BC #prodmgmt

  • jdy40 arduino example best
    Reply Keith C. Langill July 20, 2011 at 10:08 pm

    9X Effect: Google and Netflix looking at changing markets – http://goo.gl/ag83j via @spatially

  • jdy40 arduino example best
    Reply [2AdviseU] July 21, 2011 at 9:16 am

    9X Effect: Google+ and Netflix looking at changing markets http://dlvr.it/c0TYr

  • jdy40 arduino example best
    Reply Tamara Dull July 21, 2011 at 2:45 pm

    9X Effect: Google+ and Netflix looking at changing markets | @spatially http://bit.ly/qkwdcU

  • jdy40 arduino example best
    Reply Chip Hogge July 31, 2011 at 12:42 pm

    9X Effect: Google+ and Netflix looking at changing markets http://j.mp/qSkb1w (via Instapaper)

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