Reference for Wiring version 0027+. If you have a previous version, use the reference included with your software. If you see any errors or have any comments, let us know.
Class | Wire |
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Name | send() |
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Examples | #include "Wire.h" byte x = 0; void setup() { // join i2c bus (address optional for master) Wire.begin(); } void loop() { Wire.beginTransmission(4); // transmit to device #4 Wire.send("x is "); // sends five bytes Wire.send(x); // sends one byte Wire.endTransmission(); // stop transmitting x++; delay(500); } #include "Wire.h" void setup() { // join i2c bus with address #2 Wire.begin(2); // register event Wire.onRequest(requestEvent); } void loop() { delay(100); } // function that executes whenever data is requested by master // this function is registered as an event, see setup() void requestEvent() { // respond with message of 6 bytes // as expected by master Wire.send("hello "); } |
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Description | The send() method sends data to a device. | ||||||||
Syntax | Wire.send() Wire.send(bytes[], quantity) Wire.send(chars[]) |
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Parameters |
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Usage | Application |