Digital Level

In this project I created a pretty simple digital level using a LCD screen and a gyro sensor.

Apr 4, 2019

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environmental sensing

Devices & Components

Arduino Uno Rev3

Inertial Measurement Unit (IMU) (6 deg of freedom)

Multi-Turn Precision Potentiometer- 10k ohms (25 Turn)

Standard LCD - 16x2 White on Blue

Hardware & Tools

Breadboard, 400 Pin

Software & Tools

Arduino IDE

Project description

Code

digital level

c_cpp

first, it sets up the LCD and the gyro, than it takes the reading and displays it.

1#include<Wire.h>
2const int MPU_addr=0x68;  // I2C address of the MPU-6050
3int16_t  AcX,AcY,AcZ,Tmp,GyX,GyY,GyZ;
4#include <LiquidCrystal.h>
5
6// initialize  the library with the numbers of the interface pins
7LiquidCrystal lcd(7, 8, 9,  10, 11, 12);
8
9void setup() {
10  // put your setup code here, to run once:
11Wire.begin();
12  Wire.beginTransmission(MPU_addr);
13  Wire.write(0x6B);  // PWR_MGMT_1 register
14  Wire.write(0);     // set to zero (wakes up the MPU-6050)
15  Wire.endTransmission(true);
16  Serial.begin(9600);
17lcd.begin(16, 2);
18}
19
20
21void loop() {
22  
23Wire.beginTransmission(MPU_addr);
24  Wire.write(0x3B);  // starting with register 0x3B (ACCEL_XOUT_H)
25  Wire.endTransmission(false);
26  Wire.requestFrom(MPU_addr,14,true);  // request a total of 14 registers
27  AcX=Wire.read()<<8|Wire.read();  // 0x3B (ACCEL_XOUT_H) & 0x3C (ACCEL_XOUT_L)    
28  AcY=Wire.read()<<8|Wire.read();  // 0x3D (ACCEL_YOUT_H) & 0x3E (ACCEL_YOUT_L)
29  AcZ=Wire.read()<<8|Wire.read();  // 0x3F (ACCEL_ZOUT_H) & 0x40 (ACCEL_ZOUT_L)
30  Tmp=Wire.read()<<8|Wire.read();  // 0x41 (TEMP_OUT_H) & 0x42 (TEMP_OUT_L)
31  GyX=Wire.read()<<8|Wire.read();  // 0x43 (GYRO_XOUT_H) & 0x44 (GYRO_XOUT_L)
32  GyY=Wire.read()<<8|Wire.read();  // 0x45 (GYRO_YOUT_H) & 0x46 (GYRO_YOUT_L)
33  GyZ=Wire.read()<<8|Wire.read();  // 0x47 (GYRO_ZOUT_H) & 0x48 (GYRO_ZOUT_L#
34  
35   lcd.print(" | X = ");  lcd.print(GyX);
36   lcd.setCursor(0,1)
37;   lcd.print(" | Y = "); lcd.print(GyY);
38delay(500)
39;lcd.clear()
40
41;}

#include<Wire.h>
const int MPU_addr=0x68;  // I2C address of the MPU-6050
int16_t  AcX,AcY,AcZ,Tmp,GyX,GyY,GyZ;
#include <LiquidCrystal.h>

// initialize  the library with the numbers of the interface pins
LiquidCrystal lcd(7, 8, 9,  10, 11, 12);

void setup() {
  // put your setup code here, to run once:
Wire.begin();
  Wire.beginTransmission(MPU_addr);
  Wire.write(0x6B);  // PWR_MGMT_1 register
  Wire.write(0);     // set to zero (wakes up the MPU-6050)
  Wire.endTransmission(true);
  Serial.begin(9600);
lcd.begin(16, 2);
}


void loop() {
  
Wire.beginTransmission(MPU_addr);
  Wire.write(0x3B);  // starting with register 0x3B (ACCEL_XOUT_H)
  Wire.endTransmission(false);
  Wire.requestFrom(MPU_addr,14,true);  // request a total of 14 registers
  AcX=Wire.read()<<8|Wire.read();  // 0x3B (ACCEL_XOUT_H) & 0x3C (ACCEL_XOUT_L)    
  AcY=Wire.read()<<8|Wire.read();  // 0x3D (ACCEL_YOUT_H) & 0x3E (ACCEL_YOUT_L)
  AcZ=Wire.read()<<8|Wire.read();  // 0x3F (ACCEL_ZOUT_H) & 0x40 (ACCEL_ZOUT_L)
  Tmp=Wire.read()<<8|Wire.read();  // 0x41 (TEMP_OUT_H) & 0x42 (TEMP_OUT_L)
  GyX=Wire.read()<<8|Wire.read();  // 0x43 (GYRO_XOUT_H) & 0x44 (GYRO_XOUT_L)
  GyY=Wire.read()<<8|Wire.read();  // 0x45 (GYRO_YOUT_H) & 0x46 (GYRO_YOUT_L)
  GyZ=Wire.read()<<8|Wire.read();  // 0x47 (GYRO_ZOUT_H) & 0x48 (GYRO_ZOUT_L#
  
   lcd.print(" | X = ");  lcd.print(GyX);
   lcd.setCursor(0,1)
;   lcd.print(" | Y = "); lcd.print(GyY);
delay(500)
;lcd.clear()

;}

digital level

c_cpp

first, it sets up the LCD and the gyro, than it takes the reading and displays it.

1#include<Wire.h>
2const int MPU_addr=0x68;  // I2C address of the MPU-6050
3int16_t   AcX,AcY,AcZ,Tmp,GyX,GyY,GyZ;
4#include <LiquidCrystal.h>
5
6// initialize   the library with the numbers of the interface pins
7LiquidCrystal lcd(7, 8, 9,   10, 11, 12);
8
9void setup() {
10  // put your setup code here, to run once:
11Wire.begin();
12   Wire.beginTransmission(MPU_addr);
13  Wire.write(0x6B);  // PWR_MGMT_1 register
14   Wire.write(0);     // set to zero (wakes up the MPU-6050)
15  Wire.endTransmission(true);
16   Serial.begin(9600);
17lcd.begin(16, 2);
18}
19
20
21void loop() {
22  
23Wire.beginTransmission(MPU_addr);
24   Wire.write(0x3B);  // starting with register 0x3B (ACCEL_XOUT_H)
25  Wire.endTransmission(false);
26   Wire.requestFrom(MPU_addr,14,true);  // request a total of 14 registers
27  AcX=Wire.read()<<8|Wire.read();   // 0x3B (ACCEL_XOUT_H) & 0x3C (ACCEL_XOUT_L)    
28  AcY=Wire.read()<<8|Wire.read();   // 0x3D (ACCEL_YOUT_H) & 0x3E (ACCEL_YOUT_L)
29  AcZ=Wire.read()<<8|Wire.read();   // 0x3F (ACCEL_ZOUT_H) & 0x40 (ACCEL_ZOUT_L)
30  Tmp=Wire.read()<<8|Wire.read();   // 0x41 (TEMP_OUT_H) & 0x42 (TEMP_OUT_L)
31  GyX=Wire.read()<<8|Wire.read();   // 0x43 (GYRO_XOUT_H) & 0x44 (GYRO_XOUT_L)
32  GyY=Wire.read()<<8|Wire.read();   // 0x45 (GYRO_YOUT_H) & 0x46 (GYRO_YOUT_L)
33  GyZ=Wire.read()<<8|Wire.read();   // 0x47 (GYRO_ZOUT_H) & 0x48 (GYRO_ZOUT_L#
34  
35   lcd.print(" | X = ");   lcd.print(GyX);
36   lcd.setCursor(0,1)
37;   lcd.print(" | Y = "); lcd.print(GyY);
38delay(500)
39;lcd.clear()
40
41;}

#include<Wire.h>
const int MPU_addr=0x68;  // I2C address of the MPU-6050
int16_t   AcX,AcY,AcZ,Tmp,GyX,GyY,GyZ;
#include <LiquidCrystal.h>

// initialize   the library with the numbers of the interface pins
LiquidCrystal lcd(7, 8, 9,   10, 11, 12);

void setup() {
  // put your setup code here, to run once:
Wire.begin();
   Wire.beginTransmission(MPU_addr);
  Wire.write(0x6B);  // PWR_MGMT_1 register
   Wire.write(0);     // set to zero (wakes up the MPU-6050)
  Wire.endTransmission(true);
   Serial.begin(9600);
lcd.begin(16, 2);
}


void loop() {
  
Wire.beginTransmission(MPU_addr);
   Wire.write(0x3B);  // starting with register 0x3B (ACCEL_XOUT_H)
  Wire.endTransmission(false);
   Wire.requestFrom(MPU_addr,14,true);  // request a total of 14 registers
  AcX=Wire.read()<<8|Wire.read();   // 0x3B (ACCEL_XOUT_H) & 0x3C (ACCEL_XOUT_L)    
  AcY=Wire.read()<<8|Wire.read();   // 0x3D (ACCEL_YOUT_H) & 0x3E (ACCEL_YOUT_L)
  AcZ=Wire.read()<<8|Wire.read();   // 0x3F (ACCEL_ZOUT_H) & 0x40 (ACCEL_ZOUT_L)
  Tmp=Wire.read()<<8|Wire.read();   // 0x41 (TEMP_OUT_H) & 0x42 (TEMP_OUT_L)
  GyX=Wire.read()<<8|Wire.read();   // 0x43 (GYRO_XOUT_H) & 0x44 (GYRO_XOUT_L)
  GyY=Wire.read()<<8|Wire.read();   // 0x45 (GYRO_YOUT_H) & 0x46 (GYRO_YOUT_L)
  GyZ=Wire.read()<<8|Wire.read();   // 0x47 (GYRO_ZOUT_H) & 0x48 (GYRO_ZOUT_L#
  
   lcd.print(" | X = ");   lcd.print(GyX);
   lcd.setCursor(0,1)
;   lcd.print(" | Y = "); lcd.print(GyY);
delay(500)
;lcd.clear()

;}

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