This particular little project involved connected a DH11 breakout and an I2C LCD display to an Arduino and then displaying the humidity and temperature on the display. The code is …
Author
iainhendry71
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#include <Wire.h> void setup() { Wire.begin(); Serial.begin(9600); Serial.println(“\nI2C Scanner”); } void loop() { byte error, address; int nDevices; Serial.println(“Scanning…”); nDevices = 0; for(address = 1; address < 127; address++ ) …
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In this example we connect the IR reciever to pin 3 and 8 LEDs from pin 4 to pin 11. We will press a key from 1 to 8 and …
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The IR reciever and remote were part of a kit Code #include “IRremote.h” int receiver = 3; IRrecv irrecv(receiver); decode_results results; void setup() { Serial.begin(9600); irrecv.enableIRIn(); } void loop() { …
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LCD voltmeter example YOU SHOULD NOT MEASURE MORE THAN 5v or reverse the polarity, you risk causing damage to your Arduino I tested a 1.5v battery, the reading was …
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/* Analog input 4 I2C SDA Analog input 5 I2C SCL */ #include <Wire.h> #define address 0x1E //I2C 7bit address of HMC5883 void setup(){ Serial.begin(9600); Wire.begin(); //Put the HMC5883 IC …