Remote Controlled Cannon Using Arduino

This video will show how to make remote-controlled canon and how not to make canon. We're using RF module with Arduino.

Jul 17, 2019

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embedded

remote control

Devices & Components

Arduino Uno Rev3

SparkFun Transceiver Breakout - nRF24L01+

Switch Actuator, Head for spring return push-button

9V battery (generic)

Software & Tools

Arduino IDE

Project description

Code

Arduino Receiver

arduino

1#include <SPI.h>
2#include <nRF24L01.h>
3#include <RF24.h>
4
5RF24  radio(7,8);
6int LED1 = 3;
7const int buzzer = 2;
8const byte address[6] =  "00001";
9int msg[1];
10
11void setup() {
12  // put your setup code here,  to run once:
13  pinMode(buzzer, OUTPUT);
14   Serial.begin(115200);
15  delay(1000);
16  radio.begin();
17  radio.openReadingPipe(0,address);
18  radio.setPALevel(RF24_PA_MAX);
19  radio.setDataRate(RF24_250KBPS);
20  radio.startListening();
21  pinMode(LED1,  OUTPUT);
22}
23
24void loop() {
25  
26  
27  if (radio.available()) {
28    radio.read(msg, 1);
29    String transData = String(msg[0]);
30    Serial.print(transData);
31    if (transData == "1") {
32      digitalWrite(LED1, HIGH);
33     } else  if (transData == "0") {
34      digitalWrite(LED1, LOW);    
35     }
36  }  else {
37//    Serial.print("\
38 Radio not available");
39  }
40}
41

#include <SPI.h>
#include <nRF24L01.h>
#include <RF24.h>

RF24  radio(7,8);
int LED1 = 3;
const int buzzer = 2;
const byte address[6] =  "00001";
int msg[1];

void setup() {
  // put your setup code here,  to run once:
  pinMode(buzzer, OUTPUT);
   Serial.begin(115200);
  delay(1000);
  radio.begin();
  radio.openReadingPipe(0,address);
  radio.setPALevel(RF24_PA_MAX);
  radio.setDataRate(RF24_250KBPS);
  radio.startListening();
  pinMode(LED1,  OUTPUT);
}

void loop() {
  
  
  if (radio.available()) {
    radio.read(msg, 1);
    String transData = String(msg[0]);
    Serial.print(transData);
    if (transData == "1") {
      digitalWrite(LED1, HIGH);
     } else  if (transData == "0") {
      digitalWrite(LED1, LOW);    
     }
  }  else {
//    Serial.print("\
 Radio not available");
  }
}

Arduino Receiver

arduino

1#include <SPI.h>
2#include <nRF24L01.h>
3#include <RF24.h>
4
5RF24
6  radio(7,8);
7int LED1 = 3;
8const int buzzer = 2;
9const byte address[6] =
10  "00001";
11int msg[1];
12
13void setup() {
14  // put your setup code here,
15  to run once:
16  pinMode(buzzer, OUTPUT);
17   Serial.begin(115200);
18  delay(1000);
19
20  radio.begin();
21  radio.openReadingPipe(0,address);
22  radio.setPALevel(RF24_PA_MAX);
23
24  radio.setDataRate(RF24_250KBPS);
25  radio.startListening();
26  pinMode(LED1,
27  OUTPUT);
28}
29
30void loop() {
31  
32  
33  if (radio.available()) {
34
35    radio.read(msg, 1);
36    String transData = String(msg[0]);
37    Serial.print(transData);
38
39    if (transData == "1") {
40      digitalWrite(LED1, HIGH);
41     } else
42  if (transData == "0") {
43      digitalWrite(LED1, LOW);    
44     }
45  }
46  else {
47//    Serial.print("\
48 Radio not available");
49  }
50}
51

#include <SPI.h>
#include <nRF24L01.h>
#include <RF24.h>

RF24
  radio(7,8);
int LED1 = 3;
const int buzzer = 2;
const byte address[6] =
  "00001";
int msg[1];

void setup() {
  // put your setup code here,
  to run once:
  pinMode(buzzer, OUTPUT);
   Serial.begin(115200);
  delay(1000);

  radio.begin();
  radio.openReadingPipe(0,address);
  radio.setPALevel(RF24_PA_MAX);

  radio.setDataRate(RF24_250KBPS);
  radio.startListening();
  pinMode(LED1,
  OUTPUT);
}

void loop() {
  
  
  if (radio.available()) {

    radio.read(msg, 1);
    String transData = String(msg[0]);
    Serial.print(transData);

    if (transData == "1") {
      digitalWrite(LED1, HIGH);
     } else
  if (transData == "0") {
      digitalWrite(LED1, LOW);    
     }
  }
  else {
//    Serial.print("\
 Radio not available");
  }
}

Arduino Transmitter

arduino

1#include <SPI.h>
2#include <nRF24L01.h>
3#include <RF24.h>
4
5RF24  radio(7,8);
6
7const byte address[6] = "00001";
8int buttonPIN = 3;
9int  pVal = 1;
10int msg[1];
11
12void setup() {
13  Serial.begin(115200);
14  pinMode(buttonPIN,  INPUT);
15  delay(1000);
16  
17  radio.begin();
18  radio.openWritingPipe(address);
19  radio.setPALevel(RF24_PA_MAX);
20  radio.setDataRate(RF24_250KBPS);
21  radio.stopListening();
22}
23
24void  loop() {
25  int val = digitalRead(buttonPIN);
26  if (val != pVal) {
27      msg[0]  = val ? 1 : 0;
28      radio.write(msg, 1);
29      Serial.println("data sent---");
30      Serial.println(val); 
31      pVal = val;
32   }
33 
34//  const char  text[] = "nrftest";
35//  radio.write(&text, sizeof(text));
36  
37//  delay(200);
38}
39

#include <SPI.h>
#include <nRF24L01.h>
#include <RF24.h>

RF24  radio(7,8);

const byte address[6] = "00001";
int buttonPIN = 3;
int  pVal = 1;
int msg[1];

void setup() {
  Serial.begin(115200);
  pinMode(buttonPIN,  INPUT);
  delay(1000);
  
  radio.begin();
  radio.openWritingPipe(address);
  radio.setPALevel(RF24_PA_MAX);
  radio.setDataRate(RF24_250KBPS);
  radio.stopListening();
}

void  loop() {
  int val = digitalRead(buttonPIN);
  if (val != pVal) {
      msg[0]  = val ? 1 : 0;
      radio.write(msg, 1);
      Serial.println("data sent---");
      Serial.println(val); 
      pVal = val;
   }
 
//  const char  text[] = "nrftest";
//  radio.write(&text, sizeof(text));
  
//  delay(200);
}

Downloadable files

Arduino Transmitter and receiver

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