Hacking a Bluetooth Toy Car

We're learning how to "hack" a bluetooth toy car by building a custom remote for it. using arduino and a gyroscope.

Jan 8, 2020

•

8988 views

•

9 respects

Components and supplies

Android phone

HC-05 Bluetooth Module

6 DOF Sensor - MPU6050

Arduino Pro Mini 328 - 5V/16MHz

Jumper wires (generic)

Breadboard (generic)

Tools and machines

USB to serial FTDI adapter FT232RL

Arduino IDE

Android studio

Project description

Code

Code snippet #4

text

1private final int value_convert_out(int value) {
2    boolean negative   = false;
3    if (value < 0) {
4        negative = f6D;
5    }
6    int   value2 = value & 63;
7    if (negative) {
8        return value2 | 64;
9    }
10     return value2;
11}

private final int value_convert_out(int value) {
    boolean negative   = false;
    if (value < 0) {
        negative = f6D;
    }
    int   value2 = value & 63;
    if (negative) {
        return value2 | 64;
    }
     return value2;
}

Github

https://github.com/jrowberg/i2cdevlib

no description/ Read More

Latest commit to the master branch on Invalid date

Download as a zip

Code snippet #6

text

1/** * Libraries:
2 *  https://github.com/jrowberg/i2cdevlib
3
4  *  https://github.com/jrowberg/i2cdevlib
5
6 */
7#include "I2Cdev.h"
8#include  "MPU6050_6Axis_MotionApps20.h"
9#include "Wire.h"
10#include "SoftwareSerial.h"const  int MAX_ANGLE = 45;
11const byte commandStering = 129;
12const byte commandSpeed  = 130;bool initialization = false;  // set true if DMP init was successful
13uint8_t  mpuIntStatus;   // holds actual interrupt status byte from MPU
14uint8_t devStatus;      // return status after each device operation (0 = success, !0 = error)
15uint16_t  packetSize;    // expected DMP packet size (default is 42 bytes)
16uint16_t fifoCount;     // count of all bytes currently in FIFO
17uint8_t fifoBuffer[64]; // FIFO  storage buffer
18Quaternion q;           // [w, x, y, z]         quaternion container
19VectorFloat  gravity;    // [x, y, z]            gravity vector
20float ypr[3];           //  [yaw, pitch, roll]   yaw/pitch/roll container and gravity vector
21volatile bool  mpuInterrupt = false;     // indicates whether MPU interrupt pin has gone highunsigned  long lastPrintTime, lastMoveTime = 0;SoftwareSerial BTserial(10, 11);
22MPU6050  mpu;void setup() 
23{
24      Serial.begin(9600);
25      BTserial.begin(38400);
26      Serial.println("Program started");
27      initialization = initializeGyroscope();
28}void  loop() {
29    if (!initialization) {
30        return;
31    }
32    mpuInterrupt  = false;
33    mpuIntStatus = mpu.getIntStatus();
34    fifoCount = mpu.getFIFOCount();
35    if (hasFifoOverflown(mpuIntStatus, fifoCount)) {
36        mpu.resetFIFO();
37        return;
38    }
39    if (mpuIntStatus & 0x02) {
40        while (fifoCount  < packetSize) {
41            fifoCount = mpu.getFIFOCount();
42        }
43        mpu.getFIFOBytes(fifoBuffer, packetSize);        
44        fifoCount -=  packetSize;
45        mpu.dmpGetQuaternion(&q, fifoBuffer);
46        mpu.dmpGetGravity(&gravity,  &q);
47        mpu.dmpGetYawPitchRoll(ypr, &q, &gravity);
48        steer(ypr[0]  * 180/M_PI, ypr[1] * 180/M_PI, ypr[2] * 180/M_PI);
49    }  
50}/*
51 * Receives  angle from 0 to 180 where 0 is max left and 180 is max right
52 * Receives speed  from -90 to 90 where -90 is max backwards and 90 is max forward
53 */
54void moveZwheelsCar(byte  angle, int speed) 
55{
56    if (millis() - lastMoveTime < 100) {
57        return;
58    }
59    byte resultAngle;
60    int resultSpeed;
61    if (angle >= 90) {
62      resultAngle = map(angle, 91, 180, 1, 60);    
63    } else if (angle < 90)  {
64      resultAngle = map(angle, 1, 90, 60, 120);
65    }
66    if (speed >  0) {
67      resultSpeed = map(speed, 0, 90, 0, 60);    
68    } else if (speed  < 0) {
69      resultSpeed = map(speed, 0, -90, 120, 60);
70    }
71    Serial.print("actualAngle=");Serial.print(angle);Serial.print(";  ");
72    Serial.print("actualSpeed=");Serial.print(resultSpeed);Serial.println(";  ");
73    BTserial.write(commandStering);    
74    BTserial.write(resultAngle);  
75    BTserial.write(commandSpeed);
76    BTserial.write((byte) resultSpeed);  
77    lastMoveTime = millis();
78}void steer(int x, int y, int z)
79{  
80    x = constrain(x, -1 * MAX_ANGLE, MAX_ANGLE);
81    y = constrain(y, -1 * MAX_ANGLE,  MAX_ANGLE);
82    z = constrain(z, -MAX_ANGLE, MAX_ANGLE);
83    int angle = map(y,  -MAX_ANGLE, MAX_ANGLE, 0, 180);
84    int speed = map(z, -MAX_ANGLE, MAX_ANGLE,  90, -90);
85    printDebug(x, y, z, angle, speed);
86    moveZwheelsCar(angle,  speed);
87}void printDebug(int x, int y, int z, int angle, int speed)
88{
89    if (millis() - lastPrintTime < 1000) {
90        return;
91    }
92    Serial.print("z=");Serial.print(x);Serial.print(";  ");
93    Serial.print("y=");Serial.print(y);Serial.print("; ");
94    Serial.print("z=");Serial.print(z);Serial.print(";  ");
95    Serial.print("angle=");Serial.print(angle);Serial.print("; ");
96    Serial.print("speed=");Serial.print(speed);Serial.println("; ");
97    lastPrintTime  = millis();
98}bool initializeGyroscope() 
99{
100    Wire.begin();
101    mpu.initialize();
102    Serial.println(mpu.testConnection() ? F("MPU6050 connection successful") :  F("MPU6050 connection failed"));
103    devStatus = mpu.dmpInitialize();
104    mpu.setXGyroOffset(220);
105    mpu.setYGyroOffset(76);
106    mpu.setZGyroOffset(-85);
107    mpu.setZAccelOffset(1788);
108    if (devStatus != 0) {
109        Serial.print(F("DMP Initialization failed  (code "));Serial.println(devStatus);
110        return false;
111    }
112    mpu.setDMPEnabled(true);
113    Serial.println(F("Enabling interrupt detection (Arduino external interrupt  0)..."));
114    attachInterrupt(0, dmpDataReady, RISING);
115    mpuIntStatus  = mpu.getIntStatus();
116    Serial.println(F("DMP ready! Waiting for first interrupt..."));
117    packetSize = mpu.dmpGetFIFOPacketSize();
118    
119    return true;
120}void  dmpDataReady() 
121{
122    mpuInterrupt = true;
123}boolean hasFifoOverflown(int  mpuIntStatus, int fifoCount) 
124{
125    return mpuIntStatus & 0x10 || fifoCount  == 1024;
126}

/** * Libraries:
 *  https://github.com/jrowberg/i2cdevlib

  *  https://github.com/jrowberg/i2cdevlib

 */
#include "I2Cdev.h"
#include  "MPU6050_6Axis_MotionApps20.h"
#include "Wire.h"
#include "SoftwareSerial.h"const  int MAX_ANGLE = 45;
const byte commandStering = 129;
const byte commandSpeed  = 130;bool initialization = false;  // set true if DMP init was successful
uint8_t  mpuIntStatus;   // holds actual interrupt status byte from MPU
uint8_t devStatus;      // return status after each device operation (0 = success, !0 = error)
uint16_t  packetSize;    // expected DMP packet size (default is 42 bytes)
uint16_t fifoCount;     // count of all bytes currently in FIFO
uint8_t fifoBuffer[64]; // FIFO  storage buffer
Quaternion q;           // [w, x, y, z]         quaternion container
VectorFloat  gravity;    // [x, y, z]            gravity vector
float ypr[3];           //  [yaw, pitch, roll]   yaw/pitch/roll container and gravity vector
volatile bool  mpuInterrupt = false;     // indicates whether MPU interrupt pin has gone highunsigned  long lastPrintTime, lastMoveTime = 0;SoftwareSerial BTserial(10, 11);
MPU6050  mpu;void setup() 
{
      Serial.begin(9600);
      BTserial.begin(38400);
      Serial.println("Program started");
      initialization = initializeGyroscope();
}void  loop() {
    if (!initialization) {
        return;
    }
    mpuInterrupt  = false;
    mpuIntStatus = mpu.getIntStatus();
    fifoCount = mpu.getFIFOCount();
    if (hasFifoOverflown(mpuIntStatus, fifoCount)) {
        mpu.resetFIFO();
        return;
    }
    if (mpuIntStatus & 0x02) {
        while (fifoCount  < packetSize) {
            fifoCount = mpu.getFIFOCount();
        }
        mpu.getFIFOBytes(fifoBuffer, packetSize);        
        fifoCount -=  packetSize;
        mpu.dmpGetQuaternion(&q, fifoBuffer);
        mpu.dmpGetGravity(&gravity,  &q);
        mpu.dmpGetYawPitchRoll(ypr, &q, &gravity);
        steer(ypr[0]  * 180/M_PI, ypr[1] * 180/M_PI, ypr[2] * 180/M_PI);
    }  
}/*
 * Receives  angle from 0 to 180 where 0 is max left and 180 is max right
 * Receives speed  from -90 to 90 where -90 is max backwards and 90 is max forward
 */
void moveZwheelsCar(byte  angle, int speed) 
{
    if (millis() - lastMoveTime < 100) {
        return;
    }
    byte resultAngle;
    int resultSpeed;
    if (angle >= 90) {
      resultAngle = map(angle, 91, 180, 1, 60);    
    } else if (angle < 90)  {
      resultAngle = map(angle, 1, 90, 60, 120);
    }
    if (speed >  0) {
      resultSpeed = map(speed, 0, 90, 0, 60);    
    } else if (speed  < 0) {
      resultSpeed = map(speed, 0, -90, 120, 60);
    }
    Serial.print("actualAngle=");Serial.print(angle);Serial.print(";  ");
    Serial.print("actualSpeed=");Serial.print(resultSpeed);Serial.println(";  ");
    BTserial.write(commandStering);    
    BTserial.write(resultAngle);  
    BTserial.write(commandSpeed);
    BTserial.write((byte) resultSpeed);  
    lastMoveTime = millis();
}void steer(int x, int y, int z)
{  
    x = constrain(x, -1 * MAX_ANGLE, MAX_ANGLE);
    y = constrain(y, -1 * MAX_ANGLE,  MAX_ANGLE);
    z = constrain(z, -MAX_ANGLE, MAX_ANGLE);
    int angle = map(y,  -MAX_ANGLE, MAX_ANGLE, 0, 180);
    int speed = map(z, -MAX_ANGLE, MAX_ANGLE,  90, -90);
    printDebug(x, y, z, angle, speed);
    moveZwheelsCar(angle,  speed);
}void printDebug(int x, int y, int z, int angle, int speed)
{
    if (millis() - lastPrintTime < 1000) {
        return;
    }
    Serial.print("z=");Serial.print(x);Serial.print(";  ");
    Serial.print("y=");Serial.print(y);Serial.print("; ");
    Serial.print("z=");Serial.print(z);Serial.print(";  ");
    Serial.print("angle=");Serial.print(angle);Serial.print("; ");
    Serial.print("speed=");Serial.print(speed);Serial.println("; ");
    lastPrintTime  = millis();
}bool initializeGyroscope() 
{
    Wire.begin();
    mpu.initialize();
    Serial.println(mpu.testConnection() ? F("MPU6050 connection successful") :  F("MPU6050 connection failed"));
    devStatus = mpu.dmpInitialize();
    mpu.setXGyroOffset(220);
    mpu.setYGyroOffset(76);
    mpu.setZGyroOffset(-85);
    mpu.setZAccelOffset(1788);
    if (devStatus != 0) {
        Serial.print(F("DMP Initialization failed  (code "));Serial.println(devStatus);
        return false;
    }
    mpu.setDMPEnabled(true);
    Serial.println(F("Enabling interrupt detection (Arduino external interrupt  0)..."));
    attachInterrupt(0, dmpDataReady, RISING);
    mpuIntStatus  = mpu.getIntStatus();
    Serial.println(F("DMP ready! Waiting for first interrupt..."));
    packetSize = mpu.dmpGetFIFOPacketSize();
    
    return true;
}void  dmpDataReady() 
{
    mpuInterrupt = true;
}boolean hasFifoOverflown(int  mpuIntStatus, int fifoCount) 
{
    return mpuIntStatus & 0x10 || fifoCount  == 1024;
}

Github

https://github.com/pybluez/pybluez

no description/ Read More

Latest commit to the master branch on Invalid date

Download as a zip

Code snippet #6

text

1/** * Libraries:
2 *  https://github.com/jrowberg/i2cdevlib
3
4
5  *  https://github.com/jrowberg/i2cdevlib
6
7 */
8#include "I2Cdev.h"
9#include
10  "MPU6050_6Axis_MotionApps20.h"
11#include "Wire.h"
12#include "SoftwareSerial.h"const
13  int MAX_ANGLE = 45;
14const byte commandStering = 129;
15const byte commandSpeed
16  = 130;bool initialization = false;  // set true if DMP init was successful
17uint8_t
18  mpuIntStatus;   // holds actual interrupt status byte from MPU
19uint8_t devStatus;
20      // return status after each device operation (0 = success, !0 = error)
21uint16_t
22  packetSize;    // expected DMP packet size (default is 42 bytes)
23uint16_t fifoCount;
24     // count of all bytes currently in FIFO
25uint8_t fifoBuffer[64]; // FIFO
26  storage buffer
27Quaternion q;           // [w, x, y, z]         quaternion container
28VectorFloat
29  gravity;    // [x, y, z]            gravity vector
30float ypr[3];           //
31  [yaw, pitch, roll]   yaw/pitch/roll container and gravity vector
32volatile bool
33  mpuInterrupt = false;     // indicates whether MPU interrupt pin has gone highunsigned
34  long lastPrintTime, lastMoveTime = 0;SoftwareSerial BTserial(10, 11);
35MPU6050
36  mpu;void setup() 
37{
38      Serial.begin(9600);
39      BTserial.begin(38400);
40
41      Serial.println("Program started");
42      initialization = initializeGyroscope();
43}void
44  loop() {
45    if (!initialization) {
46        return;
47    }
48    mpuInterrupt
49  = false;
50    mpuIntStatus = mpu.getIntStatus();
51    fifoCount = mpu.getFIFOCount();
52
53    if (hasFifoOverflown(mpuIntStatus, fifoCount)) {
54        mpu.resetFIFO();
55
56        return;
57    }
58    if (mpuIntStatus & 0x02) {
59        while (fifoCount
60  < packetSize) {
61            fifoCount = mpu.getFIFOCount();
62        }
63
64        mpu.getFIFOBytes(fifoBuffer, packetSize);        
65        fifoCount -=
66  packetSize;
67        mpu.dmpGetQuaternion(&q, fifoBuffer);
68        mpu.dmpGetGravity(&gravity,
69  &q);
70        mpu.dmpGetYawPitchRoll(ypr, &q, &gravity);
71        steer(ypr[0]
72  * 180/M_PI, ypr[1] * 180/M_PI, ypr[2] * 180/M_PI);
73    }  
74}/*
75 * Receives
76  angle from 0 to 180 where 0 is max left and 180 is max right
77 * Receives speed
78  from -90 to 90 where -90 is max backwards and 90 is max forward
79 */
80void moveZwheelsCar(byte
81  angle, int speed) 
82{
83    if (millis() - lastMoveTime < 100) {
84        return;
85
86    }
87    byte resultAngle;
88    int resultSpeed;
89    if (angle >= 90) {
90
91      resultAngle = map(angle, 91, 180, 1, 60);    
92    } else if (angle < 90)
93  {
94      resultAngle = map(angle, 1, 90, 60, 120);
95    }
96    if (speed >
97  0) {
98      resultSpeed = map(speed, 0, 90, 0, 60);    
99    } else if (speed
100  < 0) {
101      resultSpeed = map(speed, 0, -90, 120, 60);
102    }
103    Serial.print("actualAngle=");Serial.print(angle);Serial.print(";
104  ");
105    Serial.print("actualSpeed=");Serial.print(resultSpeed);Serial.println(";
106  ");
107    BTserial.write(commandStering);    
108    BTserial.write(resultAngle);
109  
110    BTserial.write(commandSpeed);
111    BTserial.write((byte) resultSpeed);
112  
113    lastMoveTime = millis();
114}void steer(int x, int y, int z)
115{  
116
117    x = constrain(x, -1 * MAX_ANGLE, MAX_ANGLE);
118    y = constrain(y, -1 * MAX_ANGLE,
119  MAX_ANGLE);
120    z = constrain(z, -MAX_ANGLE, MAX_ANGLE);
121    int angle = map(y,
122  -MAX_ANGLE, MAX_ANGLE, 0, 180);
123    int speed = map(z, -MAX_ANGLE, MAX_ANGLE,
124  90, -90);
125    printDebug(x, y, z, angle, speed);
126    moveZwheelsCar(angle,
127  speed);
128}void printDebug(int x, int y, int z, int angle, int speed)
129{
130
131    if (millis() - lastPrintTime < 1000) {
132        return;
133    }
134    Serial.print("z=");Serial.print(x);Serial.print(";
135  ");
136    Serial.print("y=");Serial.print(y);Serial.print("; ");
137    Serial.print("z=");Serial.print(z);Serial.print(";
138  ");
139    Serial.print("angle=");Serial.print(angle);Serial.print("; ");
140
141    Serial.print("speed=");Serial.print(speed);Serial.println("; ");
142    lastPrintTime
143  = millis();
144}bool initializeGyroscope() 
145{
146    Wire.begin();
147    mpu.initialize();
148
149    Serial.println(mpu.testConnection() ? F("MPU6050 connection successful") :
150  F("MPU6050 connection failed"));
151    devStatus = mpu.dmpInitialize();
152    mpu.setXGyroOffset(220);
153
154    mpu.setYGyroOffset(76);
155    mpu.setZGyroOffset(-85);
156    mpu.setZAccelOffset(1788);
157
158    if (devStatus != 0) {
159        Serial.print(F("DMP Initialization failed
160  (code "));Serial.println(devStatus);
161        return false;
162    }
163    mpu.setDMPEnabled(true);
164
165    Serial.println(F("Enabling interrupt detection (Arduino external interrupt
166  0)..."));
167    attachInterrupt(0, dmpDataReady, RISING);
168    mpuIntStatus
169  = mpu.getIntStatus();
170    Serial.println(F("DMP ready! Waiting for first interrupt..."));
171
172    packetSize = mpu.dmpGetFIFOPacketSize();
173    
174    return true;
175}void
176  dmpDataReady() 
177{
178    mpuInterrupt = true;
179}boolean hasFifoOverflown(int
180  mpuIntStatus, int fifoCount) 
181{
182    return mpuIntStatus & 0x10 || fifoCount
183  == 1024;
184}

/** * Libraries:
 *  https://github.com/jrowberg/i2cdevlib


  *  https://github.com/jrowberg/i2cdevlib

 */
#include "I2Cdev.h"
#include
  "MPU6050_6Axis_MotionApps20.h"
#include "Wire.h"
#include "SoftwareSerial.h"const
  int MAX_ANGLE = 45;
const byte commandStering = 129;
const byte commandSpeed
  = 130;bool initialization = false;  // set true if DMP init was successful
uint8_t
  mpuIntStatus;   // holds actual interrupt status byte from MPU
uint8_t devStatus;
      // return status after each device operation (0 = success, !0 = error)
uint16_t
  packetSize;    // expected DMP packet size (default is 42 bytes)
uint16_t fifoCount;
     // count of all bytes currently in FIFO
uint8_t fifoBuffer[64]; // FIFO
  storage buffer
Quaternion q;           // [w, x, y, z]         quaternion container
VectorFloat
  gravity;    // [x, y, z]            gravity vector
float ypr[3];           //
  [yaw, pitch, roll]   yaw/pitch/roll container and gravity vector
volatile bool
  mpuInterrupt = false;     // indicates whether MPU interrupt pin has gone highunsigned
  long lastPrintTime, lastMoveTime = 0;SoftwareSerial BTserial(10, 11);
MPU6050
  mpu;void setup() 
{
      Serial.begin(9600);
      BTserial.begin(38400);

      Serial.println("Program started");
      initialization = initializeGyroscope();
}void
  loop() {
    if (!initialization) {
        return;
    }
    mpuInterrupt
  = false;
    mpuIntStatus = mpu.getIntStatus();
    fifoCount = mpu.getFIFOCount();

    if (hasFifoOverflown(mpuIntStatus, fifoCount)) {
        mpu.resetFIFO();

        return;
    }
    if (mpuIntStatus & 0x02) {
        while (fifoCount
  < packetSize) {
            fifoCount = mpu.getFIFOCount();
        }

        mpu.getFIFOBytes(fifoBuffer, packetSize);        
        fifoCount -=
  packetSize;
        mpu.dmpGetQuaternion(&q, fifoBuffer);
        mpu.dmpGetGravity(&gravity,
  &q);
        mpu.dmpGetYawPitchRoll(ypr, &q, &gravity);
        steer(ypr[0]
  * 180/M_PI, ypr[1] * 180/M_PI, ypr[2] * 180/M_PI);
    }  
}/*
 * Receives
  angle from 0 to 180 where 0 is max left and 180 is max right
 * Receives speed
  from -90 to 90 where -90 is max backwards and 90 is max forward
 */
void moveZwheelsCar(byte
  angle, int speed) 
{
    if (millis() - lastMoveTime < 100) {
        return;

    }
    byte resultAngle;
    int resultSpeed;
    if (angle >= 90) {

      resultAngle = map(angle, 91, 180, 1, 60);    
    } else if (angle < 90)
  {
      resultAngle = map(angle, 1, 90, 60, 120);
    }
    if (speed >
  0) {
      resultSpeed = map(speed, 0, 90, 0, 60);    
    } else if (speed
  < 0) {
      resultSpeed = map(speed, 0, -90, 120, 60);
    }
    Serial.print("actualAngle=");Serial.print(angle);Serial.print(";
  ");
    Serial.print("actualSpeed=");Serial.print(resultSpeed);Serial.println(";
  ");
    BTserial.write(commandStering);    
    BTserial.write(resultAngle);
  
    BTserial.write(commandSpeed);
    BTserial.write((byte) resultSpeed);
  
    lastMoveTime = millis();
}void steer(int x, int y, int z)
{  

    x = constrain(x, -1 * MAX_ANGLE, MAX_ANGLE);
    y = constrain(y, -1 * MAX_ANGLE,
  MAX_ANGLE);
    z = constrain(z, -MAX_ANGLE, MAX_ANGLE);
    int angle = map(y,
  -MAX_ANGLE, MAX_ANGLE, 0, 180);
    int speed = map(z, -MAX_ANGLE, MAX_ANGLE,
  90, -90);
    printDebug(x, y, z, angle, speed);
    moveZwheelsCar(angle,
  speed);
}void printDebug(int x, int y, int z, int angle, int speed)
{

    if (millis() - lastPrintTime < 1000) {
        return;
    }
    Serial.print("z=");Serial.print(x);Serial.print(";
  ");
    Serial.print("y=");Serial.print(y);Serial.print("; ");
    Serial.print("z=");Serial.print(z);Serial.print(";
  ");
    Serial.print("angle=");Serial.print(angle);Serial.print("; ");

    Serial.print("speed=");Serial.print(speed);Serial.println("; ");
    lastPrintTime
  = millis();
}bool initializeGyroscope() 
{
    Wire.begin();
    mpu.initialize();

    Serial.println(mpu.testConnection() ? F("MPU6050 connection successful") :
  F("MPU6050 connection failed"));
    devStatus = mpu.dmpInitialize();
    mpu.setXGyroOffset(220);

    mpu.setYGyroOffset(76);
    mpu.setZGyroOffset(-85);
    mpu.setZAccelOffset(1788);

    if (devStatus != 0) {
        Serial.print(F("DMP Initialization failed
  (code "));Serial.println(devStatus);
        return false;
    }
    mpu.setDMPEnabled(true);

    Serial.println(F("Enabling interrupt detection (Arduino external interrupt
  0)..."));
    attachInterrupt(0, dmpDataReady, RISING);
    mpuIntStatus
  = mpu.getIntStatus();
    Serial.println(F("DMP ready! Waiting for first interrupt..."));

    packetSize = mpu.dmpGetFIFOPacketSize();
    
    return true;
}void
  dmpDataReady() 
{
    mpuInterrupt = true;
}boolean hasFifoOverflown(int
  mpuIntStatus, int fifoCount) 
{
    return mpuIntStatus & 0x10 || fifoCount
  == 1024;
}

Github

https://github.com/danionescu0/arduino

no description/ Read More

Latest commit to the master branch on Invalid date

Download as a zip

Github

https://github.com/jrowberg/i2cdevlib

no description/ Read More

Latest commit to the master branch on Invalid date

Download as a zip

Github

https://github.com/pybluez/pybluez

no description/ Read More

Latest commit to the master branch on Invalid date

Download as a zip

Code snippet #4

text

1private final int value_convert_out(int value) {
2    boolean negative  = false;
3    if (value < 0) {
4        negative = f6D;
5    }
6    int  value2 = value & 63;
7    if (negative) {
8        return value2 | 64;
9    }
10    return value2;
11}

private final int value_convert_out(int value) {
    boolean negative  = false;
    if (value < 0) {
        negative = f6D;
    }
    int  value2 = value & 63;
    if (negative) {
        return value2 | 64;
    }
    return value2;
}

Downloadable files

Arduino repository

For this project navigate to: /projects/zen_wheels_remote

https://github.com/danionescu0/arduino

Fritznig skematic

Arduino repository

For this project navigate to: /projects/zen_wheels_remote

https://github.com/danionescu0/arduino

Fritznig skematic

Comments

Only logged in users can leave comments

danionescu

0 Followers

•

0 Projects

Intro