Hackster is hosting Hackster Holidays, Ep. 6: Livestream & Giveaway Drawing. Watch previous episodes or stream live on Monday!Stream Hackster Holidays, Ep. 6 on Monday!
Marijo Blažević
Published © CC BY

Reaction Training Dummy

As a request from an athlete friend to build cheap yet effective device to improve reaction training I came up with this!

AdvancedFull instructions provided4,153
Reaction Training Dummy

Story

Read more

Custom parts and enclosures

Reaction+Training+Dummy+-+Bottom.stl

Reaction+Training+Dummy+-+Top_1.stl

Reaction+Training+Dummy+-+Top_2.stl

Reaction+Training+Dummy+-+Top_3.stl

Reaction+Training+Dummy+-+Top_4.stl

Thingiverse

http://www.thingiverse.com/thing:3754409

Schematics

Eagle schematics

Code

TransmitterNetwork_1.ino

Arduino
#include <RF24Network.h>
#include <RF24.h>
#include <SPI.h>

// SENS stuff
int RawSensOn1;
int RawSensOn2;

int RawSensOff1;
int RawSensOff2;

int Sens1;
int Sens2;

// LEDS

byte LEDpins[] = {2,3,6,8};
int ledState = LOW;
int ledState2 = LOW;
unsigned long previousMillis = 0;        // will store last time LED was updated
long OnTime = 200;           // milliseconds of on-time
long OffTime = 200;          // milliseconds of off-time

boolean imON = true;


RF24 radio(7,10);                    // nRF24L01(+) radio attached using Getting Started board 

RF24Network network(radio);          // Network uses that radio

const uint16_t this_node = 00;        // Address of our node in Octal format
const uint16_t node01 = 01;       // Address of the other node in Octal format
const uint16_t node011 = 011;       // Address of the other node in Octal format
const uint16_t node0111 = 0111;       // Address of the other node in Octal format

byte randNumber = this_node;

void setup(void)
{
//  Serial.begin(115200);
  
  pinMode(4,OUTPUT);
  pinMode(5,OUTPUT);

  pinMode(A1, INPUT);
  pinMode(A2, INPUT);

  for (int x=0; x < 4; x++){
    pinMode(LEDpins[x], OUTPUT);
  }
  randomSeed(analogRead(0)); //create unique seed value for random number generation

 
  SPI.begin();
  radio.begin();
  network.begin(/*channel*/ 90, /*node address*/ this_node);

  powerUpLED();

//  Serial.println("Setup Done");
//  Serial.println("");
}

void loop() {

  network.update();                          // Check the network regularly

  //===== Receiving =====//
  while ( network.available() ) { // Is there any incoming data?
    RF24NetworkHeader header;
    byte incomingData;
    network.read(header, &incomingData, sizeof(incomingData)); // Read the incoming data
//    Serial.print("Incoming - "); 
//    Serial.println(incomingData); 
    if(incomingData == this_node){
      imON = true;
      randNumber = this_node;
    }
  }
if(imON == true){
    unsigned long currentMillis = millis();

    if((ledState == HIGH) && (currentMillis - previousMillis >= OnTime)){
     ledState = LOW;  // Turn it off
     ledState2 = HIGH;  // turn it on
     previousMillis = currentMillis;  // Remember the time
     digitalWrite(2, ledState);  // Update the actual LED
     digitalWrite(6, ledState);  // Update the actual LED
     digitalWrite(3, ledState2);  // Update the actual LED
     digitalWrite(8, ledState2);  // Update the actual LED
    }
    else if ((ledState == LOW) && (currentMillis - previousMillis >= OffTime)){
     ledState = HIGH;  // turn it on
     ledState2 = LOW;  // Turn it off
     previousMillis = currentMillis;   // Remember the time
     digitalWrite(2, ledState);    // Update the actual LED
     digitalWrite(6, ledState);  // Update the actual LED
     digitalWrite(3, ledState2);  // Update the actual LED
     digitalWrite(8, ledState2);  // Update the actual LED
    }
    
    digitalWrite(4,HIGH);     //turn On RECOGNITION LED
    digitalWrite(5,HIGH);     //turn On RECOGNITION LED
    delayMicroseconds(200);  //wait        
    RawSensOn1=analogRead(A1);        //take reading from photodiode noise+signal
    RawSensOn2=analogRead(A2);        //take reading from photodiode noise+signal
    digitalWrite(4,LOW);     //turn Off RECOGNITION LED
    digitalWrite(5,LOW);     //turn Off RECOGNITION LED
    delayMicroseconds(200);  //wait
    RawSensOff1=analogRead(A1);        // again take reading from photodiode :noise
    RawSensOff2=analogRead(A2);        // again take reading from photodiode :noise
    Sens1=RawSensOn1-RawSensOff1;      //taking differnce:[ (noise+signal)-(noise)] just signal
    Sens2=RawSensOn2-RawSensOff2;      //taking differnce:[ (noise+signal)-(noise)] just signal
  
    if(Sens1 > 180 ||Sens2 > 180){
       while(randNumber == this_node){
         randNumber = random(0,4);
         if(randNumber == 0) randNumber = this_node;
         if(randNumber == 1) randNumber = node01;
         if(randNumber == 2) randNumber = node011;
         if(randNumber == 3) randNumber = node0111;
//         Serial.println(randNumber, OCT);
       }    
      RF24NetworkHeader header(randNumber);     // (Address where the data is going)
      bool ok = network.write(header, &randNumber, 1); // Send the data
      if (ok){
//        Serial.println("ok.");
        imON = false;
        powerDownLED();
      }
      else{
//        Serial.println("failed.");        
      }
    }
 }  
}
void powerUpLED (){
  for (int i = 0; i <= 4; i++) {
          digitalWrite(2, HIGH);
          delay(70);
          digitalWrite(2, LOW);
          delay(70);
          digitalWrite(3, HIGH);
          delay(70);
          digitalWrite(3, LOW);
          delay(70);
          digitalWrite(6, HIGH);
          delay(70);
          digitalWrite(6, LOW);
          delay(70);
          digitalWrite(8, HIGH);
          delay(70);
          digitalWrite(8, LOW);
          delay(70);
      }
}
void powerDownLED (){
  
          digitalWrite(2, LOW);
          digitalWrite(3, LOW);
          digitalWrite(6, LOW);
          digitalWrite(8, LOW);
}

Credits

Marijo Blažević

Marijo Blažević

2 projects • 18 followers
Electrical Hardware enthusiast
Thanks to Ino.

Comments

Related channels and tags
  • Fitness
  • Fitness
  • Health & Medical Devices
  • Health & Medical Devices
  • Sensors
  • Sensors