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من از یک Arduino Pro Mini که به یک سنسور دما و رطوبت DHT 22 متصل است استفاده کردم. طرف دیگه یک آردینو Uno بود که مقادیر رو دریافت می کنه و روی یک Liquid Crystal نمایش میده. با همه ماژول های NRF که 8 پایه هستند تست کردم و با همشون به خوبی کار میکنه.
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کد دریافتکد:/* YourDuinoStarter Example: nRF24L01 Transmit Joystick values - WHAT IT DOES: Reads Analog values on A0, A1 and transmits them over a nRF24L01 Radio Link to another transceiver. - SEE the comments after "//" on each line below - CONNECTIONS: nRF24L01 Modules See: http://arduino-info.wikispaces.com/Nrf24L01-2.4GHz-HowTo 1 - GND 2 - VCC 3.3V !!! NOT 5V 3 - CE to Arduino pin 9 4 - CSN to Arduino pin 10 5 - SCK to Arduino pin 13 6 - MOSI to Arduino pin 11 7 - MISO to Arduino pin 12 8 - UNUSED - Analog Joystick or two 10K potentiometers: GND to Arduino GND VCC to Arduino +5V X Pot to Arduino A0 Y Pot to Arduino A1 - V1.00 11/26/13 Based on examples at http://www.bajdi.com/ Questions: terry@yourduino.com */ /*-----( Import needed libraries )-----*/ #include "DHT.h" #include <SPI.h> #include <nRF24L01.h> #include <RF24.h> /*-----( Declare Constants and Pin Numbers )-----*/ #define CE_PIN 9 #define CSN_PIN 10 //#define JOYSTICK_X A0 //#define JOYSTICK_Y A1 #define DHTPIN 2 // what pin we're connected to #define DHTTYPE DHT22 // DHT 22 (AM2302) // NOTE: the "LL" at the end of the constant is "LongLong" type const uint64_t pipe = 0xE8E8F0F0E1LL; // Define the transmit pipe /*-----( Declare objects )-----*/ RF24 radio(CE_PIN, CSN_PIN); // Create a Radio /*-----( Declare Variables )-----*/ int data[3]; // 2 element array holding Joystick readings DHT dht(DHTPIN, DHTTYPE); void setup() /****** SETUP: RUNS ONCE ******/ { Serial.begin(9600); radio.begin(); radio.openWritingPipe(pipe); dht.begin(); }//--(end setup )--- void loop() /****** LOOP: RUNS CONSTANTLY ******/ { //joystick[0] = analogRead(JOYSTICK_X); //joystick[1] = analogRead(JOYSTICK_Y); float h = dht.readHumidity(); float t = dht.readTemperature(); data[0] = 1; data[1] = 100;//h; data[2] = 200;//t; radio.write( data, sizeof(data) ); //delay(1000); }//--(end main loop )--- /*-----( Declare User-written Functions )-----*/ //NONE //*********( THE END )***********
کد:/* YourDuinoStarter Example: nRF24L01 Receive Joystick values - WHAT IT DOES: Receives data from another transceiver with 2 Analog values from a Joystick or 2 Potentiometers Displays received values on Serial Monitor - SEE the comments after "//" on each line below - CONNECTIONS: nRF24L01 Modules See: http://arduino-info.wikispaces.com/Nrf24L01-2.4GHz-HowTo 1 - GND 2 - VCC 3.3V !!! NOT 5V 3 - CE to Arduino pin 9 4 - CSN to Arduino pin 10 5 - SCK to Arduino pin 13 6 - MOSI to Arduino pin 11 7 - MISO to Arduino pin 12 8 - UNUSED - V1.00 11/26/13 Based on examples at http://www.bajdi.com/ Questions: terry@yourduino.com */ /*-----( Import needed libraries )-----*/ #include <SPI.h> #include <nRF24L01.h> #include <RF24.h> #include <Wire.h> #include <LiquidCrystal_I2C.h> LiquidCrystal_I2C lcd(0x27,16,2); // set the LCD address to 0x27 for a 16 chars and 2 line display /*-----( Declare Constants and Pin Numbers )-----*/ #define CE_PIN 9 #define CSN_PIN 10 // NOTE: the "LL" at the end of the constant is "LongLong" type const uint64_t pipe = 0xE8E8F0F0E1LL; // Define the transmit pipe /*-----( Declare objects )-----*/ RF24 radio(CE_PIN, CSN_PIN); // Create a Radio /*-----( Declare Variables )-----*/ int data[3]; // 2 element array holding Joystick readings void setup() /****** SETUP: RUNS ONCE ******/ { Serial.begin(9600); delay(1000); Serial.println("Nrf24L01 Receiver Starting"); radio.begin(); radio.openReadingPipe(1,pipe); radio.startListening();; lcd.init(); // initialize the lcd lcd.backlight(); }//--(end setup )--- void loop() /****** LOOP: RUNS CONSTANTLY ******/ { if ( radio.available() ) { // Read the data payload until we've received everything bool done = false; while (!done) { // Fetch the data payload done = radio.read( data, sizeof(data) ); //Serial.print("H = "); //Serial.print(data[1]); //Serial.print(" T = "); //Serial.println(data[2]); lcd.clear(); lcd.setCursor(0,0); lcd.print("Channel: "); lcd.print(data[0]); lcd.setCursor(0,1); lcd.print("H: "); lcd.print(data[1]); lcd.print(" T: "); lcd.print(data[2]); delay(500); } } else { //Serial.println("No radio available"); lcd.clear(); lcd.print("No radio available"); delay(500); } }//--(end main loop )--- /*-----( Declare User-written Functions )-----*/ //NONE //*********( THE END )***********
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NRF24l01+
