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  • Arduino Uno to Program ATTINY84 (Arduino V. 1.8.5)

    While programming/learning, I found led=0 to be physical pin 13 rather than pin 2. Checked it twice.

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  • PrashantM38 commented on D3zire's forum topic 3.7v to 4.5v how ?

    http://www.canton-electronics.com/power-converter-...Why build when u can get it cheap

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  • OLED I2c Display With Arduino

    First Shot did it, modified the program to my needs in few minutes

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  • Download the lib from URL mentioned above in a folder say "Download"Load Arduino, Click Sketch -> Include Library-> Add .Zip and load both the libs(zip) file downloaded.

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  • Can Arduino pro mini be used to connect MFRC522Thank you for a detailed data on SPI

    What I am doing is Connecting Pro Mini to Arduino UNO without IC to program Pro Mini. But the Pin Connection is done as per UNO, what will be change required ???

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  • I have Arduino without IC to connect Pro Mini. I am trying to connect Pro Mini to RFIDbut is not responding . Code is simple #include #include #define SS_PIN 10#define RST_PIN 9MFRC522 mfrc522(SS_PIN, RST_PIN); // Create MFRC522 instance.void setup() { Serial.begin(9600); // Initiate a serial communication SPI.begin(); // Initiate SPI bus mfrc522.PCD_Init(); // Initiate MFRC522 Serial.println("Approximate your card to the reader..."); Serial.println();}void loop() { // Look for new cards if ( ! mfrc522.PICC_IsNewCardPresent()) { return; } // Select one of the cards if ( ! mfrc522.PICC_ReadCardSerial()) { return; } //Show UID on serial monitor Serial.print("UID tag :"); String content= ""; byte letter; for (byte i = 0; i…

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    I have Arduino without IC to connect Pro Mini. I am trying to connect Pro Mini to RFIDbut is not responding . Code is simple #include #include #define SS_PIN 10#define RST_PIN 9MFRC522 mfrc522(SS_PIN, RST_PIN); // Create MFRC522 instance.void setup() { Serial.begin(9600); // Initiate a serial communication SPI.begin(); // Initiate SPI bus mfrc522.PCD_Init(); // Initiate MFRC522 Serial.println("Approximate your card to the reader..."); Serial.println();}void loop() { // Look for new cards if ( ! mfrc522.PICC_IsNewCardPresent()) { return; } // Select one of the cards if ( ! mfrc522.PICC_ReadCardSerial()) { return; } //Show UID on serial monitor Serial.print("UID tag :"); String content= ""; byte letter; for (byte i = 0; i { Serial.print(mfrc522.uid.uidByte[i] Serial.print(mfrc522.uid.uidByte[i], HEX); content.concat(String(mfrc522.uid.uidByte[i] content.concat(String(mfrc522.uid.uidByte[i], HEX)); } Serial.println(); Serial.print("Message : "); content.toUpperCase(); if (content.substring(1) == "04 42 DE 1A 9D 32 80") //change here the UID of the card/cards that you want to give access { Serial.println("Authorized access"); Serial.println(); delay(3000); } else { Serial.println(" Access denied"); delay(3000); }}From Examples of Arduino I picked up the code cansomeone try and share me the code and pin connectionsArduino+Pro Mini + MFRC

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  • I was able to do it with HC-05 Bluetooth. Renaming the Default Name of bluetooth would have helped in this (which i did ...research)..Thanks

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