How To Build Wire & Program The NRF24L01 ARDUINO RC Joystick.
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PARTS LIST:
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5 X M2*8 nuts, bolts and washers
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Click Here for The
STL Files For The Joystick Frame.
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Click here to purchase a printed joystick frame.
(this option coming soon)
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SCHEMATIC’s:
Joystick
Receiver
ARDUINO CODE:
TRANSMITER CODE:
#include <SPI.h>
#include <RF24.h>
RF24 radio(8, 9); // CE, CSN
const byte address[6] = “00001”;
int joy[6];
void setup() {
radio.begin();
radio.openWritingPipe(address);
radio.setDataRate(RF24_2MBPS); // Set Data Rate
radio.setPALevel(RF24_PA_HIGH); // Set Power LVL
radio.setChannel(0x4C); // Set Channel
pinMode(4, INPUT_PULLUP); // Left stick button
pinMode(5, INPUT_PULLUP); // Right stick button
// Serial.begin(9600); // For Testing
}
void loop() {
radio.stopListening();
joy[0] = analogRead(A0); // Right Stick Up-Down UP=0
joy[1] = analogRead(A1); // Right Stick Left-Right RIGHT=0
joy[2] = analogRead(A2); // Left Stick Up-Down UP=0
joy[3] = analogRead(A3); // Left Stick Left-Right RIGHT=0
joy[4] = digitalRead(4); // Left Push Button PUSHED=0
joy[5] = digitalRead(5); // Right Push Button PUSHED=0
/* // For Testing
Serial.print(“A0 = “);
Serial.println(joy[0]);
Serial.print(“A1 = “);
Serial.println(joy[1]);
Serial.print(“A2 = “);
Serial.println(joy[2]);
Serial.print(“A3 = “);
Serial.println(joy[3]);
Serial.print(“LB = “);
Serial.println(joy[4]);
Serial.print(“RB = “);
Serial.println(joy[5]);
Serial.println(“———————“);
delay(1000);
*/
joy[0] = map(joy[0], 0, 1023, 255, 0);
joy[1] = map(joy[1], 0, 1023, 255, 0);
joy[2] = map(joy[2], 0, 1023, 255, 0);
joy[3] = map(joy[3], 0, 1023, 255, 0);
/* // For Testing
Serial.print(“A0 = “);
Serial.println(joy[0]);
Serial.print(“A1 = “);
Serial.println(joy[1]);
Serial.print(“A2 = “);
Serial.println(joy[2]);
Serial.print(“A3 = “);
Serial.println(joy[3]);
Serial.print(“LB = “);
Serial.println(joy[4]);
Serial.print(“RB = “);
Serial.println(joy[5]);
Serial.println(“———————“);
delay(1000);
*/
radio.write(&joy, sizeof(joy));
delay(20);
}
RECEIVER CODE:
#include <SPI.h>
#include<RF24.h>
RF24 radio(7, 8); // CE, CSN
const byte address[6] = “00001”;
#define led1 3
#define led2 5
#define led3 6
#define led4 9
int val[4];
void setup() {
pinMode(led1, OUTPUT);
pinMode(led2, OUTPUT);
pinMode(led3, OUTPUT);
pinMode(led4, OUTPUT);
radio.begin();
radio.openReadingPipe(0, address);
radio.setDataRate(RF24_2MBPS);
radio.setPALevel(RF24_PA_HIGH);
radio.setChannel(0x4C);
radio.startListening();
}
void loop() {
delay(5);
radio.startListening();
while (!radio.available());
radio.read(&val, sizeof(val));
analogWrite(led1, val[0]);
analogWrite(led2, val[1]);
analogWrite(led3, val[2]);
analogWrite(led4, val[3]);
}
