Getting rid of a decimal point

Other Hardware Displays
1

Hi I’m using a TM1637 with a clock colon and have a pressure sensor connected to it. The serial reading without any pressure connections start with 0.23

I would like to get rid of the decimal and round off…

2

round()?

3

Serial.println(x, 0);

1 Like
4

.
Which TM1637 library are you using? --> link to the library you have included
Which display are you using? --> link to the product you have bought
How does your code look like? --> post your code
What do you currently see on the display? --> make a picture and post it.
What do you want to see on the display?

5

Hi

Which TM1637 library are you using? --> Robojax TM1637
Which display are you using? -->TM1637 display
How does your code look like? -->

#include "Wire.h" //allows communication over i2c devices
#include <Arduino.h>
#include <TM1637Display.h>

// Module 1 connection pins (Digital Pins)
#define CLK1 3
#define DIO1 2

// Module 2 connection pins (Digital Pins)
#define CLK2 5
#define DIO2 4

// The amount of time (in milliseconds) between tests
#define TEST_DELAY 1500

TM1637Display display1(CLK1, DIO1);// define dispaly 1 object
TM1637Display display2(CLK2, DIO2);// define dispaly 1 object

uint8_t data[] = { 0x0, 0x0, 0x0, 0x0 }; // all segments clear

////Vacuum Sensor////
int sensor=A1;
int valueSensor;
int value;
int pressure;

////End of connect///////

void setup()
/////////Start of setup//////////

{
////Display setup////
// Robojax.com two or more TM1637 Display 20181029
display1.setBrightness(0x0f);// set brightness of dispaly 1
display2.setBrightness(0x0f);// set brightness of dispaly 1

display1.setSegments(data);// fill display 1 with whatever data[] array has
display2.setSegments(data);// // fill display 2 with whatever data[] array has
// Robojax.com two or more TM1637 Display 20181029

pinMode(sensor,INPUT);
Serial.begin(9600);

}

void loop()
{
////Display loop settings////
uint8_t data[] = { 0x0, 0x0, 0x0, 0x0 };
display1.setSegments(data);
delay(100);

display1.showNumberDec(pressure, true, 2, 0);
delay(TEST_DELAY);
//display1.showNumberDecEx(pressure, 64, false); /////////To activate the colon

display2.setSegments(data);// fill(clear) display with data[] array
display2.showNumberDec(34, true, 1,1);
delay(TEST_DELAY);// wait for TEST_DELAY miliseconds

//////Oil Pressure sensor///////
int sensorVal=analogRead(A0);
Serial.print("Sensor Value: ");
Serial.print(sensorVal);

float voltage = (sensorVal*5.0)/1024.0;
Serial.print("Volts: ");
Serial.print(voltage);

float pressure_pascal = (3.0*((float)voltage-0.47))*1000000.0;
float pressure_bar = pressure_pascal/10e5;
Serial.print("Pressure = ");
Serial.print(pressure_bar);
Serial.println("bars, 0");
Serial.print("Pressure = ");

delay(100);

}// loop end

What do you currently see on the display? --> "00"
What do you want to see on the display? example 0.30

6

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