Rehau 433mhz remote thermometer инструкция

WIRELESS WEATHER STATION VT-3533 SR

DESCRIPTION

Main unit

1.

«DOWN» button

2.

«UP» button

3.

«SET» button

4.

«ALARM» button

5.

«CHANNEL» button

6.

«SNOOZE-LIGHT» button

7.

Battery compartment lid

8.

Flap stand

9.

Sensor wall mounting holes

Display

10.

Date field

11.

Week day and current Moon phase field

12.

Weather symbols field

13.

Temperature  and  humidity  integrated  sensor  indication

«in»

14.

Temperature and humidity remote sensor indication «out»

15.

Current time indication

Remote sensor

16.

Sensor

17.

Display

18.

Sensor wall mounting hole

19.

Battery compartment lid

20.

Stand

21.

Temperature measurement unit selection buttons «°C/°F»

22.

Transmission channel number selection button «CH»

23.

Wired temperature sensor

SAFETY MEASURES

Before using the unit, read this instruction manual carefully and

keep it for future reference.

Use  the  unit  for  intended  purposes  only,  as  specified  in  this

manual.  Mishandling  the  unit  can  lead  to  its  breakage  and

cause harm to the user or damage to his/her property.

•

Do not subject the unit to impacts (dust and moisture are

also  to  be  avoided),  as  it  can  lead  to  failures,  reduction

of service life, battery damage and to deformation of the

unit body parts.

•

Provide that no liquid gets inside the unit body. To prevent

the unit’s damage, do not expose the it to rain or moisture,

do  not  place  the  unit  in  places  with  high  humidity  (near

bathtubs, containers filled with water, kitchen sinks, wash-

ing machines, near a swimming pool, in wet basements,

etc.). Protect the unit from dripping and splashing.

•

The unit should not be placed near heat sources such as

radiators,  electric  heaters,  stoves  or  in  places  exposed

to  direct  sunlight,  excessive  dust,  vibration  or  mechani-

cal shocks.

•

Install the unit on flat stable surface in places with proper

ventilation. Do not block the unit ventilation openings.

•

Make sure that the wired sensor is not bent or pinched.

•

Do not let foreign objects get into unit openings.

•

Do not repair the unit or make any changes in it by your-

self. If you find any damages, switch the unit off by remov-

ing the batteries from the battery compartment and apply

to the authorized service center.

•

If you disassemble the unit, it will lead to warranty cancel-

lation. No parts inside the unit require the user’s attention.

•

Do not allow children to use the unit as a toy.

•

This  unit  is  not  intended  for  usage  by  children  under  8

years of age.

•

Children aged 8 and over as well as disabled persons can

use  this  unit  only  under  supervision  of  a  person  who  is

responsible for their safety, if they are given all the neces-

sary and understandable instructions concerning the safe

usage of the unit and information about danger that can be

caused by its improper usage.

•

To  avoid  damages,  transport  the  unit  in  original  pack-

age only.

•

For  children  safety  reasons  do  not  leave  polyethylene

bags, used as a packaging, unattended.

•

Attention! Do not allow children to play with polyethylene

bags or packaging film. Danger of suffocation!

•

Do  not  use  abrasives  or  substances  causing  damages

of the body and the inner parts of the units for cleaning.

•

Keep the unit out of reach of children.

THE UNIT IS INTENDED FOR HOUSEHOLD USAGE ONLY

BEFORE THE FIRST USE

After  unit  transportation  or  storage  at  low  temperature 

it is necessary to keep it for at least two hours at room 

temperature.

–

Unpack  the  unit,  remove  any  stickers  that  can  prevent

unit operation.

–

Check the unit for damages. In case of damages do not

switch the unit on.

BATTERY INSTALLATION

Attention! 

Batteries leakage can cause injuries or the unit damage. To avoid

damages, follow the recommendations specified below:

•

insert batteries following the polarity;

•

use only new batteries of the type specified in the instruc-

tion manual;

•

do not insert the batteries of different types, new batter-

ies with old ones, batteries of different brands as well as

rechargeable batteries of different capacity;

•

remove  the  batteries  if  you  are  not  planning  to  use  the

unit for a long time;

•

do  not  dismantle  the  batteries,  do  not  subject  them  to

high temperatures;

•

replace the batteries in time.

Notes: 

•

If  the  batteries  are  already  installed  into  the  bat-

tery  compartment  you  need  to  remove  the  isolation 

insert.  Long  operation  under  low  or  high  temperatures 

can reduce the voltage of the batteries of the sensor (16), 

thus decreasing the sensor’s transmission range.

•

The  symbol 

  indicates  that  the  batteries  are  dis-

charged, replace the batteries.  

Remote sensor

–

Shift  the  battery  compartment  lid  (19).  Insert  two  “AAA”

batteries (included), strictly following the polarity.

–

Select  the  temperature  measurement  units  by  pressing

the C/°F button (21). The selected measurement units are

shown on the display (17).

–

Select the transmission channel number (from 1 to 3) by

pressing the CH button (22) repeatedly.

–

Install the battery compartment lid (19) back to its place.

Main unit

–

Remove the battery compartment lid (7) and insert three

“AA” batteries (included), strictly following the polarity.

–

Install the battery compartment lid (7) back to its place.

UNIT INSTALLATION

–

Use the flap stand (8) to set the main unit on a flat stable

surface, use the stand (20) for the remote sensor (16).

–

You  can  also  hang  up  the  main  unit  and  the  sensor  (16)

on the wall by using the holes (9) and (18), respectively.

–

Place  the  remote  sensor  (16)  outdoors  so  that  it  is  not

exposed to direct sunlight, rain or snow. The remote sen-

sor  should  be  installed  up  to  30  meters  away  from  the

main unit in the line of sight. The distance from the main

unit  and  the  remote  sensor  to  any  interference  sources

(such  as  computers,  television  receivers  etc.)  should  be

at least 1,5-2 meters.

–

Do not place the unit near metal frames, do not use appli-

ances (for example, headphones) operating at the same

frequency (433 MHz) near the weather station.

–

The  remote  sensor  (16)  operates  within  the  temperature

range from –40°C to +60°C. If the outdoor temperature is

below -20 °C or if the remote sensor (16) can’t be installed

outside, set it indoors and install the wired sensor (23) out-

side. In this case outdoor temperature and indoor humid-

ity (at the remote sensor installation point) are displayed

in the field (14).

Note:  Make  sure  that  the  wired  sensor  (23)  is  not  bent  or 

pinched.

DATE AND TIME SETTING

Notes: 

The available languages for week day indication: English (EN), 

German (GE), Italian (IT), French (FR), Dutch (NE), Spanish 

(ES) and Danish (DA).

If  the  buttons  (1)  DOWN  and  (2)  UP  are  not  pressed  within 

30 seconds during the setting process, the unit will be switched 

to the current time mode without saving the new settings.

–

Press and hold down the SET button (3) for 2 seconds, the

year numerical value (Yr) will start flashing in the field (15).

–

Use the buttons (1) DOWN and (2) UP to set the required

year.

–

Press  the  SET  button  (3),  the  month  numerical  value

(MONTH) will be flashing in the field (10).

–

Use the buttons (1) DOWN and (2) UP to set the required

month.

–

Press the SET button (3), the day numerical value (DATE)

will be flashing in the field (10).

–

Use the buttons (1) DOWN and (2) UP to set the day.

–

Press the SET button (3), the language symbol used for

week day indication will be flashing in the field (11).

–

Use the buttons (1) DOWN and (2) UP to set the language

for week day indication (for example, English).

–

Press the SET button (3), the time indication format sym-

bols  (12  hour  format  or  24  hour  format)  will  be  flashing

in the field (15).

–

Use the buttons (1) DOWN and (2) UP to select the time

indication format.

–

Press the SET button (3), the hour digits will be flashing

in the field (15).

–

Use  the  buttons  (1)  DOWN  and  (2)  UP  to  set  time  in

hours.  To  set  the  afternoon  time  in  the  12  hour  format,

press the buttons (1) DOWN and (2) UP until the symbol

«PM» appears.

–

Press the SET button (3), the minute digits will be flashing.

–

Use  the  buttons  (1)  DOWN  and  (2)  UP  to  set  the  time

in minutes.

–

To save the settings, press the SET button (3).

–

After the date is set, the day of week and the Moon phase

corresponding  to  this  date  will  be  displayed  in  the  field

(11). See the symbols interpretation below.

DAYS OF WEEK

Day of 

week/

lan-

guage

Eng-

lish

(EN)

Ger-

man

(GE)

Ital-

ian

(IT)

French

(FR)

Dutch

(NE)

Span-

ish

(ES)

Danish

(DA)

Mo.

MO

MO

LU

LU

MA

LU

MA

Tu.

TU

DI

MA

MA

DI

MA

TI

We

WE

MI

ME

ME

WO

MI

ON

Th.

TH

DO

GI

JE

DO

JU

TO

Fr.

FR

FR

VE

VE

VR

VI

FR

Sa.

SA

SA

SA

SA

ZA

SA

LO

Su.

SU

SO

DO

DI

ZO

DO

SO

2

3

THE MOON PHASES

new Moon

full Moon

young Moon

waning Moon

waxing half Moon

waning half Moon

waxing Moon

old Moon

ALARM SETTING

Note: If the buttons (1) DOWN and (2) UP are not pressed 

within 30 seconds during the setting process, the unit will be 

switched to the current time mode.

–

To  set  the  alarm,  press  and  hold  down  the  ALARM  but-

ton (4) for 2 seconds, the alarm hour digits will be flash-

ing in the field (15).

–

Use  the  buttons  (1)  DOWN  and  (2)  UP  to  set  the  alarm

time in hours.

–

Press the ALARM button (4), the alarm minute digits will

start flashing in the field (15).

–

Use  the  buttons  (1)  DOWN  and  (2)  UP  to  set  the  alarm

time in minutes.

–

To save the settings, press the ALARM button (4).

–

To switch the alarm on/off, press the SET button (3) while

in the current time mode. If the alarm is on, the symbol

appears in the field (15).

–

To  view  the  alarm  settings,  press  the  ALARM  button  (4)

while in the current time mode. The symbol «AL» and the

alarm  time  will  be  displayed  for  30  seconds  in  the  field

(15). For a quick return to the current time mode, press the

ALARM button (4) again.

Repeating alarm signal

–

The  alarm  signal  will  sound  for  2  minutes  if  you  do  not

press any buttons.

–

You can switch the alarm signal off for 5 minutes by press-

ing  the  «SNOOZE/LIGHT»  button  (6).    The  symbol  «Zz»

will  appear  on  the  display,  the  signal  will  be  repeated

in 5 minutes.

–

To switch the alarm signal off, press any other button.

DISPLAY BACKLIGHT

To switch the display backlight on, press the «SNOOZE/LIGHT»

button (6). The backlight will be on for 20 seconds.

TEMPERATURE AND HUMIDITY MEASUREMENT

–

The  integrated  thermometer  of  the  main  unit  is  used

for  indoor  temperature  measurement  within  the  range

from 0 °C to +50°C and the remote sensor (16) operates

outdoors  at  the  temperature  from  -40°C  to  +60°C.  The

humidity  meters  (of  the  main  unit  and  the  remote  sen-

sor) operate within the relative humidity range from 20%

to 90%. If the temperature and humidity values are below

the specified range, the symbols «LL» will be shown in the

corresponding field.

–

Indoor temperature and humidity data are displayed in the

field (13) «in». Outdoor temperature and humidity values

are displayed in the field (14) «out».

–

Temperature  and  humidity  are  measured  every  30  sec-

onds by the main unit and minutely by the remote sensor

(16). The data are updated automatically.

–

Temperature  trends  are  indicated  with  arrows  (tempera-

ture  increases,  temperature  remains  constant,  tempera-

ture decreases) in the field (13) and (14).

–

Temperature  and  humidity  data  are  used  for  evaluat-

ing  of  the  comfort  level  that  is  indicated  by  one  of  the

three symbols:

 “Favorable”  –  optimal  temperature  and  humidity

values;

“Arid” – indoor humidity level is lower than optimal;
“Damp” – indoor humidity level is higher than optimal.

Temperature measurement unit selection

To  select  the  measurement  units  (Celsius  degrees  or

Fahrenheit degrees), press the DOWN button (1).

Remote sensor data transmission

When the batteries are inserted in the remote sensor (16), it

will start data transmission.

–

After  you  set  the  batteries  in  the  main  unit,  select  the

transmission  channel  number.  To  do  so,  press  the

CHANNEL  button  (5)  repeatedly.  The  main  unit  channel

number should match the channel number on the remote

sensor display (17).

–

The  signal  search  takes  about  3  minutes.  Data  obtained

from  the  remote  sensor  (16)  will  be  shown  in  the  field

(14) «out».

–

If there is no remote sensor signal, the symbols «- -.-» will

be shown in the field (14) «out».

–

To start a new channel search, press and hold down the

CHANNEL button (5) for 2 seconds.

Note: You can connect the unit with two additional sensors 

transmitting on the frequency of 433 MHz. To do so every 

sensor  should  be  assigned  with  its  own  channel  number 

(from  1  to  3).  To  view  data  from  different  sensors,  press 

the  CHANNEL  button  (5)  repeatedly.  If  the  sensor  does 

not support the humidity measurement function, the sym-

bols  «LL»  will  be  shown  in  the  field  (14)  «out»  in  humidity  

values. 

Memory function

The  unit  memory  stores  data  on  maximal  and  minimal 

temperature and relative humidity values.

–

Press the UP button (2) repeatedly to view:

•

the maximal temperature and humidity values (the sym-

bol «MAX» in the corresponding field),

•

the minimal values (the symbol «MIN»),

•

current values.

–

To  clear  the  unit  memory,  press  and  hold  down  the  UP

button (2) for 2 seconds while the unit is in the maximal or

minimal value displaying mode.

Warning signal of temperature change

If the outdoor temperature is out of the range preset by you,

the unit will give a tone signal.

–

To switch the warning signal on or off, press and hold the

DOWN button (2) for 2 seconds, the values in the field (14)

will be flashing. By pressing the DOWN button (1) repeat-

edly, switch the warning signal on and off: Off – the signal

is off, on – the signal is on.

–

Press the SET button (3), the symbol

▲ (upper limit of the

temperature range) will appear in the field (14).

–

Use  the  buttons  (1)  DOWN  and  (2)  UP  to  set  the  upper

limit of the temperature range.

–

Press the SET button (3), the symbol

▼ (lower limit of the

temperature range) will appear in the field (14).

–

Use the buttons (1) DOWN and (2) UP to set the lower limit

of the temperature range.

–

To save the settings, press the SET button (3).

–

When the temperature is out of the preset range, you will

hear  a  tone  signal.  The  signal  will  sound  every  minute

for 5 seconds until the outdoor temperature is within the

preset range.

–

To  switch  the  signal  off,  press  and  hold  the  DOWN

button  (1),  then  press  the  DOWN  button  (1)  until  the

symbol  «Off»  appears.    Then  press  the  SET  button

(3) thrice.

Weather forecast

The  following  symbols  indicating  the  weather  conditions

(depending  on  the  temperature  and  humidity  data  obtained

from the remote transmitter) are shown on the display:

sunny

partly cloudy

cloudy

rain

At the first switching-on, cloudy weather will be displayed.

For  weather  indication  the  transmitter  in  channel  1  will

be used.

If no transmitter is connected to channel 1, cloudy weather will

be always displayed.

If there is no humidity data in channel 1, cloudy weather will

be always displayed.

CLEANING AND CARE

–

Switch  the  unit  off  before  cleaning  by  removing  the  bat-

teries from the battery compartment of the main unit and

the remote sensor.

–

Use a soft cloth to clean the unit.

–

Do not use liquid or aerosol detergents to clean the unit.

STORAGE

–

Unplug  and  clean  the  unit  before  taking  it  away  for

storage.

–

Wind the wired temperature sensor (23). Do not wind the

sensor wire around the unit.

–

Keep the unit away from children in a dry cool place.

DELIVERY SET

Weather station main unit – 1 pc.

Remote sensor – 1 pc.

«AAA» batteries – 2 pcs.

«AA» batteries – 3 pcs.

Instruction manual – 1 pc.

TECHNICAL SPECIFICATIONS

Measurements
Main unit

From 0°C to + 50°C

Remote sensor

From –40°C to + 60°C

Temperature measurement
precision

0.1°C

Relative humidity
measurement

from 20% to 90%

Relative humidity
measurement precision

1%

Remote sensor data transmission
Data transmission frequency

433 mHz

Number of sensors connected 3
Transmission range

Maximum 30 m

Power supply
Main unit

3 « AA » type batteries, 1,5 V

Remote sensor

2 « AAA » type batteries 1,5 V

The manufacturer preserves the right to change the specifica-

tions of the unit without a preliminary notification

Unit operating life is 3 years

Guarantee 

Details regarding guarantee conditions can be obtained from

the dealer from whom the appliance was purchased. The bill

of sale or receipt must be produced when making any claim

under the terms of this guarantee.

This product conforms to the EMC-Requirements 
as laid down by the Council Directive 2004/108/ЕС 
and to the Low Voltage Regulation (2006/95/ЕС)

 ENGLISH

VT-3533.indd   1

26.06.2014   12:33:09

Document’s Content and Additional Information

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Technoline 433MHz Remote Thermo Manual  Technoline Thermometer Manual  for Technoline 433MHz Remote Thermo technoline-433mhz-remote-thermo-manual-16_manual.pdf 16 | Pages Preview: Document Transcription: Technoline 433MHz Remote Thermo LIABILITY DISCLAIMER: • The manufacturer and supplier cannot accept any responsibility for any incorrect readings and any consequences that occur should an inaccurate reading take place. • This product is designed for use in the home only as indication of the temperature. • This product is not to be used for medical purposes or for public inform … Technoline 433MHz Remote Thermo Battery compartment Battery compartment Battery cover Battery cover 1. Flip open the battery cover at the back of the Remote Thermo as indicated above. 2. Checking the correct polarization, insert 2 x AAA, IEC LR3, 1.5V batteries into the battery compartment and replace the cover (all the segments of the LCD screen will light up momen … Technoline 433MHz Remote Thermo in any position where a large metal or highly polished surface is in the immediate proximity (garage doors, double-glazing, etc.). Before securing in place, please ensure that the Remote Thermo can receive the 433 MHz signal from the Outdoor Transmitter at the positions that you wish to situate them. BATTERIES REPLACEMENT & MAINTENANCE: For best … See Details Download

What are the benefits of a wireless thermometer?

A wireless thermometer is one of the most convenientuetooth methods for it. It can be digital, with the touch of a button, and it is important for one to keep the user hydrated at all times, it is convenient for one to keep the watch temperature for a long time, as it is non-invasive. It also has a low sensivityivity as to, and the temperature forecasting period is for all users. Hence, it has a high technology and with low accuracy.

It allows the user to keep the temperature near high and normally keep for a long time. They are less expensive than other digital thermometers, they do not require the temperature to be near high or high temperature. However, they are less expensive because of high maintenance like many gas-powered ones.

What’s the market data on thermometers?

For instance, one can find the common temperature of high-temperature (TV) thermometers with the touch temperature for 10 minutes, for example, are expected to grow at a CAGR of 5.70% from 2022 to 2022. The market is also expected to see a growth rate of 4.70% to reach a global temperature of 4.70% between 2022. The market is expected to see a compound annual growth rate (CAGR) of 4.5% from 2022 to 2022. The growth is also expected to see a compound annual growth rate (CAGR) of 4.2% from 2022 to 2022. The demand for high temperature (

According to Statista, the market for wireless digital thermometers is expected to have a steady demanding high precision. With such a demanding high digital display, the market for global thermometers is expected to grow at a CAGR of 4.8% from 2022 to 2030. One of the most common demanding wireless thermal thermometers is that high-performance vehicles might need to be more in demanding than high precision. However, there is a growing demand for wireless thermal thermometers that are used in both cases and at the same time.

In this post we are going to construct an Arduino based wireless thermometer which can monitor the room temperature and external ambient temperature. The data is transmitted and received via 433 MHz RF link.

Using 433MHz RF Module and DHT11 Sensor

The proposed project utilizes Arduino as brain and the heart as 433 MHz transmitter/receiver module.

The project is divided into two separate circuits, the one with 433 MHz receiver, LCD display and DHT11 sensor which will be placed inside the room and also measures the room temperature.

Another circuit has 433MHz transmitter, DHT11 sensor for measuring outside ambient temperature. Both the circuit has one arduino each.

The circuit placed inside the room will display the internal and external temperature readings on LCD.

Now let’s take a look at 433 MHz transmitter/receiver module.

The transmitter and receiver modules are shown above; it is capable of simplex communication (one way). The receiver has 4 pins Vcc, GND and DATA pins. There are two DATA pins, they are same and we can output the data from either of two pins.

The transmitter is much simpler it has just Vcc, GND and DATA input pin. We have to connect an antenna to both modules which is described at the end of the article, without antenna communication between them won’t be established beyond few inches.

Now let’s see how these modules communicate.

Now assume we are applying clock pulse of 100Hz to the transmitter’s data input pin. The receiver will receive exact replica of the signal at receiver’s data pin.

That’s simple right? Yeah… but this module works on AM and susceptible to noise. From author’s observation if the transmitter’s data pin left without any signal for more than 250 milliseconds, the receiver data output pin produce random signals.

So, it is only suitable for non-critical data transmissions. However this project works very well with this module.

Now let’s move on to schematics.

RECEIVER:

The above circuit is arduino to LCD display connection. 10K potentiometer is provided for adjusting contrast of LCD display.

The above is the receiver circuit. The LCD display should be connected to this arduino.

Please download the following library files before compiling the code

Radio Head : github.com/PaulStoffregen/RadioHead

DHT sensor library : https://arduino-info.wikispaces.com/file/detail/DHT-lib.zip

Program for Receiver:

//--------Program Developed by R.Girish-----//
#include <LiquidCrystal.h>
#include <RH_ASK.h>
#include <SPI.h>
#include <dht.h>
#define DHTxxPIN A0
LiquidCrystal lcd(12,11,5,4,3,2);
RH_ASK driver(2000, 7, 9, 10);
int ack = 0;
dht DHT;
void setup()
{
Serial.begin(9600);
lcd.begin(16,2);
if (!driver.init())
Serial.println("init failed");
}
void loop()
{
ack = 0;
int chk = DHT.read11(DHTxxPIN);
switch (chk)
{
case DHTLIB_ERROR_CONNECT:
ack = 1;
lcd.setCursor(0,0);
lcd.print("INSIDE:");
lcd.print("NO DATA");
delay(1000);
break;
}
if(ack == 0)
{
lcd.setCursor(0,0);
lcd.print("INSIDE:");
lcd.print(DHT.temperature);
lcd.print(" C");
delay(2000);
}
uint8_t buf[RH_ASK_MAX_MESSAGE_LEN];
uint8_t buflen = sizeof(buf);
if (driver.recv(buf, &buflen))
{
int i;
String str = "";
for(i = 0; i < buflen; i++)
{
str += (char)buf[i];
}
lcd.setCursor(0,1);
lcd.print("OUTSIDE:");
lcd.print(str);
Serial.println(str);
delay(2000);
}
}
//--------Program Developed by R.Girish-----//

Transmitter:

The above is the schematic for Transmitter, which is fairly simple as receiver. Here we are using another arduino board. The DHT11 sensor will sense outside ambient temperature and send back to receiver module.

The distance between transmitter and receiver should not be more than 10 meter. If there are any obstacles between them, transmission range may get reduce.

Program for Transmitter: 

//------Program Developed by R.Girish----//
#include <RH_ASK.h>
#include <dht.h>
#define DHTxxPIN A0
#include <SPI.h>
int ack = 0;
RH_ASK driver(2000, 9, 2, 10);
dht DHT;
void setup()
{
Serial.begin(9600);
if (!driver.init())
Serial.println("init failed");
}
void loop()
{
ack = 0;
int chk = DHT.read11(DHTxxPIN);
switch (chk)
{
case DHTLIB_ERROR_CONNECT:
ack = 1;
const char *temp = "NO DATA";
driver.send((uint8_t *)temp, strlen(temp));
driver.waitPacketSent();
break;
}
if(ack == 0)
{
if(DHT.temperature == 15)
{
const char *temp = "15.00 C";
driver.send((uint8_t *)temp, strlen(temp));
driver.waitPacketSent();
}
if(DHT.temperature == 16)
{
const char *temp = "16.00 C";
driver.send((uint8_t *)temp, strlen(temp));
driver.waitPacketSent();
}
if(DHT.temperature == 17)
{
const char *temp = "17.00 C";
driver.send((uint8_t *)temp, strlen(temp));
driver.waitPacketSent();
}
if(DHT.temperature == 18)
{
const char *temp = "18.00 C";
driver.send((uint8_t *)temp, strlen(temp));
driver.waitPacketSent();
}
if(DHT.temperature == 19)
{
const char *temp = "19.00 C";
driver.send((uint8_t *)temp, strlen(temp));
driver.waitPacketSent();
}
if(DHT.temperature == 20)
{
const char *temp = "20.00 C";
driver.send((uint8_t *)temp, strlen(temp));
driver.waitPacketSent();
}
if(DHT.temperature == 21)
{
const char *temp = "21.00 C";
driver.send((uint8_t *)temp, strlen(temp));
driver.waitPacketSent();
}
if(DHT.temperature == 22)
{
const char *temp = "22.00 C";
driver.send((uint8_t *)temp, strlen(temp));
driver.waitPacketSent();;
}
if(DHT.temperature == 23)
{
const char *temp = "23.00 C";
driver.send((uint8_t *)temp, strlen(temp));
driver.waitPacketSent();
}
if(DHT.temperature == 24)
{
const char *temp = "24.00 C";
driver.send((uint8_t *)temp, strlen(temp));
driver.waitPacketSent();
}
if(DHT.temperature == 25)
{
const char *temp = "25.00 C";
driver.send((uint8_t *)temp, strlen(temp));
driver.waitPacketSent();
}
if(DHT.temperature == 26)
{
const char *temp = "26.00 C";
driver.send((uint8_t *)temp, strlen(temp));
driver.waitPacketSent();
}
if(DHT.temperature == 27)
{
const char *temp = "27.00 C";
driver.send((uint8_t *)temp, strlen(temp));
driver.waitPacketSent();
}
if(DHT.temperature == 28)
{
const char *temp = "28.00 C";
driver.send((uint8_t *)temp, strlen(temp));
driver.waitPacketSent();
}
if(DHT.temperature == 29)
{
const char *temp = "29.00 C";
driver.send((uint8_t *)temp, strlen(temp));
driver.waitPacketSent();
}
if(DHT.temperature == 30)
{
const char *temp = "30.00 C";
driver.send((uint8_t *)temp, strlen(temp));
driver.waitPacketSent();
}
if(DHT.temperature == 31)
{
const char *temp = "31.00 C";
driver.send((uint8_t *)temp, strlen(temp));
driver.waitPacketSent();
}
if(DHT.temperature == 32)
{
const char *temp = "32.00 C";
driver.send((uint8_t *)temp, strlen(temp));
driver.waitPacketSent();
}
if(DHT.temperature == 33)
{
const char *temp = "33.00 C";
driver.send((uint8_t *)temp, strlen(temp));
driver.waitPacketSent();
}
if(DHT.temperature == 34)
{
const char *temp = "34.00 C";
driver.send((uint8_t *)temp, strlen(temp));
driver.waitPacketSent();
}
if(DHT.temperature == 35)
{
const char *temp = "35.00 C";
driver.send((uint8_t *)temp, strlen(temp));
driver.waitPacketSent();
}
if(DHT.temperature == 36)
{
const char *temp = "36.00 C";
driver.send((uint8_t *)temp, strlen(temp));
driver.waitPacketSent();
}
if(DHT.temperature == 37)
{
const char *temp = "37.00 C";
driver.send((uint8_t *)temp, strlen(temp));
driver.waitPacketSent();
}
if(DHT.temperature == 38)
{
const char *temp = "38.00 C";
driver.send((uint8_t *)temp, strlen(temp));
driver.waitPacketSent();
}
if(DHT.temperature == 39)
{
const char *temp = "39.00 C";
driver.send((uint8_t *)temp, strlen(temp));
driver.waitPacketSent();
}
if(DHT.temperature == 40)
{
const char *temp = "40.00 C";
driver.send((uint8_t *)temp, strlen(temp));
driver.waitPacketSent();
}
if(DHT.temperature == 41)
{
const char *temp = "41.00 C";
driver.send((uint8_t *)temp, strlen(temp));
driver.waitPacketSent();
}
if(DHT.temperature == 42)
{
const char *temp = "42.00 C";
driver.send((uint8_t *)temp, strlen(temp));
driver.waitPacketSent();
}
if(DHT.temperature == 43)
{
const char *temp = "43.00 C";
driver.send((uint8_t *)temp, strlen(temp));
driver.waitPacketSent();
}
if(DHT.temperature == 44)
{
const char *temp = "44.00 C";
driver.send((uint8_t *)temp, strlen(temp));
driver.waitPacketSent();
}
delay(500);
if(DHT.temperature == 45)
{
const char *temp = "45.00 C";
driver.send((uint8_t *)temp, strlen(temp));
driver.waitPacketSent();
}
if(DHT.temperature == 46)
{
const char *temp = "46.00 C";
driver.send((uint8_t *)temp, strlen(temp));
driver.waitPacketSent();
}
if(DHT.temperature == 47)
{
const char *temp = "47.00 C";
driver.send((uint8_t *)temp, strlen(temp));
driver.waitPacketSent();
}
if(DHT.temperature == 48)
{
const char *temp = "48.00 C";
driver.send((uint8_t *)temp, strlen(temp));
driver.waitPacketSent();
}
if(DHT.temperature == 49)
{
const char *temp = "49.00 C";
driver.send((uint8_t *)temp, strlen(temp));
driver.waitPacketSent();
}
if(DHT.temperature == 50)
{
const char *temp = "50.00 C";
driver.send((uint8_t *)temp, strlen(temp));
driver.waitPacketSent();
}
delay(500);
}
}
//------Program Developed by R.Girish----//

Construction of Antenna:

If you are building projects using this 433 MHz modules, follow the below constructional details strictly for good range.

Use a single core wire which should be sturdy enough to support this structure. You can also use insulated copper wire with insulation removed at bottom for solder join. Make two of these, one for transmitter and another for receiver.

 Author’s Wireless Thermometer Prototype using Arduino and 433 MHz RF Link: