Arduino Remote Controlled Car Code
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// Receiver PART /* By Roee Bloch nRF24L01 Receive Joystick values --MY CAR V 1_3 TOUCH buttons A0 and A1. A0 = Forward A1 = Backword A0 && A1 = TURN Right Connection - each of A0,A1 - connect with 100K Resistor to GND Add 5V VCC - so if you between A0 to VCC with Finger command will work Same between A1 to VCC - just touch if you touch all together A0,A1 both to VCC with Finger it will turn - 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 */ // Digital read from 4 keys (up to 16 values) #define KEY1 0 #define KEY2 0 #define KEY3 0 #define KEY4 0 /*-----( Import needed libraries )-----*/ #include <SPI.h> #include <nRF24L01.h> #include <RF24.h> /*-----( 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 )-----*/ // array of my reading values, since NRF2401 in this mode return an array int mykeys[] = {KEY1, KEY2, KEY3, KEY4}; // keys void setup() /****** SETUP: RUNS ONCE ******/ { Serial.begin(57600); delay(1000); pinMode(3, OUTPUT); // just for test during debug mode pinMode(4, OUTPUT); // control wheels1 H-bridge 1 pinMode(5, OUTPUT); // control wheels1 H-bridge 1 pinMode(6, OUTPUT); // control wheels2 H-bridge 2 pinMode(7, OUTPUT); // control wheels2 H-bridge 2 Serial.println("Nrf24L01 Receiver Starting"); radio.begin(); radio.openReadingPipe(1, pipe); radio.startListening(); }//--(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( mykeys, sizeof(mykeys) ); Serial.print("KEY1 = "); if ((mykeys[0] == 1) && (mykeys[1] == 0) ) { digitalWrite(3, HIGH); forward(); Serial.println("FORWARD"); } if ((mykeys[1] == 1) && (mykeys[0] == 0)) { digitalWrite(3, HIGH); backword(); Serial.println("BACKWORD"); } if ((mykeys[1] == 1) && (mykeys[0] == 1)) { digitalWrite(3, HIGH); right(); Serial.println("RIGHT"); } if ((mykeys[0] == 0) && (mykeys[1] == 0) && (mykeys[2] == 0)) mystop(); Serial.println(mykeys[0]); Serial.print(" KEY2= "); Serial.println(mykeys[1]); Serial.print(" KEY3= "); Serial.println(mykeys[2]); Serial.print(" KEY4= "); Serial.println(mykeys[3]); } } else { Serial.println("No radio available"); mykeys[0] = 0; mykeys[1] = 0; mykeys[2] = 0; mykeys[3] = 0; } }//--(end main loop )--- /*-----( Declare User-written Functions )-----*/ //NONE //*********( THE END )*********** void mystop() { digitalWrite(4, LOW); digitalWrite(5, LOW); digitalWrite(6, LOW); digitalWrite(7, LOW); } void forward() { digitalWrite(4, LOW); digitalWrite(5, HIGH); digitalWrite(6, LOW); digitalWrite(7, HIGH); } void backword() { digitalWrite(4, HIGH); digitalWrite(5, LOW); digitalWrite(6, HIGH); digitalWrite(7, LOW); } void right() { digitalWrite(4, HIGH); digitalWrite(5, LOW); digitalWrite(6, LOW); digitalWrite(7, HIGH); } //Transmitter Part /* YourDuinoStarter Example: nRF24L01 Modified by Roee Bloch to CAR using just KEY1 and KEY2 TOUCH buttons A0 and A1. A0 = Forward A1 = Backword A0 && A1 = TURN Right Connection - each of A0,A1 - connect with 100K Resistor to GND Add 5V VCC - so if you between A0 to VCC with Finger command will work Same between A1 to VCC - just touch if you touch all together A0,A1 both to VCC with Finger it will turn 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 <SPI.h> #include <nRF24L01.h> #include <RF24.h> /*-----( Declare Constants and Pin Numbers )-----*/ #define CE_PIN 9 #define CSN_PIN 10 #define KEY1 A0 #define KEY2 A1 #define KEY3 A2 #define KEY4 A3 #define TRESHHOLD 20 // 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 mykeys[] = {KEY1, KEY2, KEY3, KEY4}; // up to 8 keys void setup() /****** SETUP: RUNS ONCE ******/ { Serial.begin(57600); radio.begin(); pinMode(10, OUTPUT); pinMode(6, OUTPUT); radio.openWritingPipe(pipe); }//--(end setup )--- void loop() /****** LOOP: RUNS CONSTANTLY ******/ { int key1, key2, key3, key4; digitalWrite(6, HIGH); if (analogRead(KEY1) > TRESHHOLD) key1 = 1; else key1 = 0; if (analogRead(KEY2) > TRESHHOLD) key2 = 1; else key2 = 0; if (analogRead(KEY3) > TRESHHOLD) key3 = 1; else key3 = 0; if (analogRead(KEY4) > TRESHHOLD) key4 = 1; else key4 = 0; Serial.print("1: "); Serial.println(key1); Serial.print("2: "); Serial.println(key2); Serial.print("3: "); Serial.println(key3); Serial.print("4: "); Serial.println(key4); mykeys[0] = key1; mykeys[1] = key2; mykeys[2] = key3; mykeys[3] = key4; // tx=key1+2*key2+4*key3+8*key4; radio.write( mykeys, sizeof(mykeys) ); }//--(end main loop )--- /*-----( Declare User-written Functions )-----*/ //NONE //*********( THE END )*********** |
Video based on this code: Arduino Wireless Car Project Video
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