Ethernet card - hanrun hr911105A
PN532
Pin5 (Green) error printing on LED strip (B)
Pin6 (Red)
Pin7 (Blue)
http://osoyoo.com/2017/07/pn532-nfc-rfid-module-for-arduino/
SPI pins
NFC ==> Arduino BUT program #def
SCK pin13 13
MISO pin 12 11
MOSI pin 11 12
SS pin 4 4
HanRUN ethernet shield for Arduino
(first successfully run the following code on UNO compiled using 1.6.7 installed on HP INNOVA system)
#include <SPI.h>
#include <Ethernet.h>
// Enter a MAC address and IP address for your controller below.
// The IP address will be dependent on your local network:
byte mac[] = {
0xDE, 0xA2, 0xBE, 0xEF, 0xFE, 0xED
};
IPAddress ip(192, 168, 1, 55);
byte gateway[] = { 192, 168, 1, 1 };
// the subnet:
byte subnet[] = { 255, 255, 255, 0 };
// Initialize the Ethernet server library
// with the IP address and port you want to use
// (port 80 is default for HTTP):
EthernetServer server(80);
void setup() {
pinMode(4, OUTPUT);
digitalWrite(4, HIGH);
// Open serial communications and wait for port to open:
Serial.begin(9600);
while (!Serial) {
; // wait for serial port to connect. Needed for Leonardo only
}
// start the Ethernet connection and the server:
Ethernet.begin(mac, ip, gateway, subnet);
server.begin();
Serial.print("server is at ");
Serial.println(Ethernet.localIP());
}
void loop() {
// listen for incoming clients
EthernetClient client = server.available();
if (client) {
Serial.println("new client");
// an http request ends with a blank line
boolean currentLineIsBlank = true;
while (client.connected()) {
if (client.available()) {
char c = client.read();
Serial.write(c);
// if you've gotten to the end of the line (received a newline
// character) and the line is blank, the http request has ended,
// so you can send a reply
if (c == '\n' && currentLineIsBlank) {
// send a standard http response header
client.println("HTTP/1.1 200 OK");
client.println("Content-Type: text/html");
client.println("Connection: close"); // the connection will be closed
//after completion of the response
client.println();
client.println("<!DOCTYPE HTML>");
client.println("<html>");
client.println("<p>Hi!</p>");
client.println("</html>");
break;
}
if (c == '\n') {
// you're starting a new line
currentLineIsBlank = true;
}
else if (c != '\r') {
// you've gotten a character on the current line
currentLineIsBlank = false;
}
}
}
// give the web browser time to receive the data
// close the connection:
client.stop();
Serial.println("client disconnected");
}
}
[found on forum http://forum.arduino.cc/index.php?topic=336408.0]
??? everything else work now ??? 1st tested network shield broke
1 - no booking or non-user
2 - booked but new user
3 - booked and registered user
Setting WiFi arduino as secure client
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