DS18B20 Temperature Sensor

Digital temperature sensor with 1-wire interface
Measures temperatures from –55°C to +125°C
High accuracy ±0.5°C over a wide range
Requires only one data line for communication
Can connect multiple sensors on a single bus
Waterproof versions available for outdoor use
Compatible with Arduino, Raspberry Pi, and other microcontrollers

SKU: EK408 Categories: Sensors, Temperature & Humidity Sensor Tags: Sensors, Temperature & Humidity Sensor

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Description

DS18B20 Temperature Sensor Module is a digital temperature sensor, and you can easily connect it to Arduino with only one 4.7-pound resistor, base 1 – Ground 2 – Output – Base 3 to the positive of the source, with resistance to base 2 Is connected. The connection of this sensor to the Arduino via the 1-wire protocol is established. Therefore, several sensors can be connected only through one common wire to Arduino. The output is digitally accurate to 12 bits. Therefore, the temperature can be measured with a precision of 0.0625 º C.

Applications:

DS18B20 Temperature Sensor is suitable for the cold storage, granaries, storage tanks, telecommunications room, electric power room, cable trough, and other temperature measurement and control areas; bearing, cylinder, textile machinery, air conditioning, and other small space industrial equipment temperature and control; , Refrigerator, freezer, and low-temperature drying oven, etc. heating/cooling pipe calorie measurement, central air conditioning household thermal energy measurement and industrial temperature measurement and control and Many more..

Features:

Digital signal output
18B20 Temperature Sensor Chip
Resolution adjustment ranges from 9-12 bytes.
Send data via a pin
Temperature measurement ranges: -55°C to +125°C, be accurate to 0.5°C.

Package Includes:

1 x DS18B20 Temperature Sensor Module

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Pin Connections

1 Table

Pin Connections Table 1

Board	Sensor Pin	Connection
DS18B20	VCC/GND/DATA	3.3-5V / GND / board data pin + 4.7k pull-up to VCC

📟

DS18B20 Temperature Sensor

7 Examples • C/C++ | Boards: Arduino Uno, Arduino Nano, Arduino Mega, ESP32, ESP8266, STM32, Raspberry Pi Pico

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DS18B20 Temperature Sensor - Arduino Uno

DS18B20 Temperature Sensor - Arduino Nano

DS18B20 Temperature Sensor - Arduino Mega

DS18B20 Temperature Sensor - ESP32

DS18B20 Temperature Sensor - ESP8266

DS18B20 Temperature Sensor - STM32

DS18B20 Temperature Sensor - Raspberry Pi Pico

📄 File: ds18b20_temperature_sensor_-_arduino_uno.inoArduino Uno

679 characters

1//ekostra.com

2//electronics store in egypt

3//+201008896258

5// OneWire data pin 2 on Arduino Uno. Needs a 4.7k pull-up resistor between data and VCC.

6#include <OneWire.h>

7#include <DallasTemperature.h>

9#define ONE_WIRE_BUS 2

10OneWire oneWire(ONE_WIRE_BUS);

11DallasTemperature sensors(&oneWire);

13void setup() {

14 Serial.begin(115200);

15 sensors.begin();

16}

18void loop() {

19 sensors.requestTemperatures();

20 float tempC = sensors.getTempCByIndex(0);

22 if (tempC == DEVICE_DISCONNECTED_C) {

23 Serial.println("Error: DS18B20 not found - check wiring/pull-up resistor.");

24 } else {

25 Serial.print("Temperature: "); Serial.print(tempC); Serial.println(" C");

26 }

28 delay(1000);

29}

📄 File: ds18b20_temperature_sensor_-_arduino_nano.inoArduino Nano

680 characters

1//ekostra.com

2//electronics store in egypt

3//+201008896258

5// OneWire data pin 2 on Arduino Nano. Needs a 4.7k pull-up resistor between data and VCC.

6#include <OneWire.h>

7#include <DallasTemperature.h>

9#define ONE_WIRE_BUS 2

10OneWire oneWire(ONE_WIRE_BUS);

11DallasTemperature sensors(&oneWire);

13void setup() {

14 Serial.begin(115200);

15 sensors.begin();

16}

18void loop() {

19 sensors.requestTemperatures();

20 float tempC = sensors.getTempCByIndex(0);

22 if (tempC == DEVICE_DISCONNECTED_C) {

23 Serial.println("Error: DS18B20 not found - check wiring/pull-up resistor.");

24 } else {

25 Serial.print("Temperature: "); Serial.print(tempC); Serial.println(" C");

26 }

28 delay(1000);

29}

📄 File: ds18b20_temperature_sensor_-_arduino_mega.inoArduino Mega

680 characters

1//ekostra.com

2//electronics store in egypt

3//+201008896258

5// OneWire data pin 2 on Arduino Mega. Needs a 4.7k pull-up resistor between data and VCC.

6#include <OneWire.h>

7#include <DallasTemperature.h>

9#define ONE_WIRE_BUS 2

10OneWire oneWire(ONE_WIRE_BUS);

11DallasTemperature sensors(&oneWire);

13void setup() {

14 Serial.begin(115200);

15 sensors.begin();

16}

18void loop() {

19 sensors.requestTemperatures();

20 float tempC = sensors.getTempCByIndex(0);

22 if (tempC == DEVICE_DISCONNECTED_C) {

23 Serial.println("Error: DS18B20 not found - check wiring/pull-up resistor.");

24 } else {

25 Serial.print("Temperature: "); Serial.print(tempC); Serial.println(" C");

26 }

28 delay(1000);

29}

📄 File: ds18b20_temperature_sensor_-_esp32.inoESP32

673 characters

1//ekostra.com

2//electronics store in egypt

3//+201008896258

5// OneWire data pin 4 on ESP32. Needs a 4.7k pull-up resistor between data and VCC.

6#include <OneWire.h>

7#include <DallasTemperature.h>

9#define ONE_WIRE_BUS 4

10OneWire oneWire(ONE_WIRE_BUS);

11DallasTemperature sensors(&oneWire);

13void setup() {

14 Serial.begin(115200);

15 sensors.begin();

16}

18void loop() {

19 sensors.requestTemperatures();

20 float tempC = sensors.getTempCByIndex(0);

22 if (tempC == DEVICE_DISCONNECTED_C) {

23 Serial.println("Error: DS18B20 not found - check wiring/pull-up resistor.");

24 } else {

25 Serial.print("Temperature: "); Serial.print(tempC); Serial.println(" C");

26 }

28 delay(1000);

29}

📄 File: ds18b20_temperature_sensor_-_esp8266.inoESP8266

677 characters

1//ekostra.com

2//electronics store in egypt

3//+201008896258

5// OneWire data pin D4 on ESP8266. Needs a 4.7k pull-up resistor between data and VCC.

6#include <OneWire.h>

7#include <DallasTemperature.h>

9#define ONE_WIRE_BUS D4

10OneWire oneWire(ONE_WIRE_BUS);

11DallasTemperature sensors(&oneWire);

13void setup() {

14 Serial.begin(115200);

15 sensors.begin();

16}

18void loop() {

19 sensors.requestTemperatures();

20 float tempC = sensors.getTempCByIndex(0);

22 if (tempC == DEVICE_DISCONNECTED_C) {

23 Serial.println("Error: DS18B20 not found - check wiring/pull-up resistor.");

24 } else {

25 Serial.print("Temperature: "); Serial.print(tempC); Serial.println(" C");

26 }

28 delay(1000);

29}

📄 File: ds18b20_temperature_sensor_-_stm32.inoSTM32

677 characters

1//ekostra.com

2//electronics store in egypt

3//+201008896258

5// OneWire data pin PB4 on STM32. Needs a 4.7k pull-up resistor between data and VCC.

6#include <OneWire.h>

7#include <DallasTemperature.h>

9#define ONE_WIRE_BUS PB4

10OneWire oneWire(ONE_WIRE_BUS);

11DallasTemperature sensors(&oneWire);

13void setup() {

14 Serial.begin(115200);

15 sensors.begin();

16}

18void loop() {

19 sensors.requestTemperatures();

20 float tempC = sensors.getTempCByIndex(0);

22 if (tempC == DEVICE_DISCONNECTED_C) {

23 Serial.println("Error: DS18B20 not found - check wiring/pull-up resistor.");

24 } else {

25 Serial.print("Temperature: "); Serial.print(tempC); Serial.println(" C");

26 }

28 delay(1000);

29}

📄 File: ds18b20_temperature_sensor_-_raspberry_pi_pico.inoRaspberry Pi Pico

685 characters

1//ekostra.com

2//electronics store in egypt

3//+201008896258

5// OneWire data pin 2 on Raspberry Pi Pico. Needs a 4.7k pull-up resistor between data and VCC.

6#include <OneWire.h>

7#include <DallasTemperature.h>

9#define ONE_WIRE_BUS 2

10OneWire oneWire(ONE_WIRE_BUS);

11DallasTemperature sensors(&oneWire);

13void setup() {

14 Serial.begin(115200);

15 sensors.begin();

16}

18void loop() {

19 sensors.requestTemperatures();

20 float tempC = sensors.getTempCByIndex(0);

22 if (tempC == DEVICE_DISCONNECTED_C) {

23 Serial.println("Error: DS18B20 not found - check wiring/pull-up resistor.");

24 } else {

25 Serial.print("Temperature: "); Serial.print(tempC); Serial.println(" C");

26 }

28 delay(1000);

29}

Project Notes:

OneWire digital temperature sensor (TO-92 package). Needs a 4.7k pull-up resistor between DATA and VCC.

Required Libraries:

OneWireGitHub

DallasTemperatureGitHub

نظرة عامة ومواصفات المنتج — بالعربية

DS18B20 Temperature Sensor متوفر الآن في متجر إكوسترا للإلكترونيات، ضمن قسم Sensors وTemperature & Humidity Sensor، بسعر 45,00 EGP. كود المنتج لدينا: EK408. المنتج متوفر في المخزون وجاهز للشحن الفوري لكل محافظات مصر مع إمكانية الدفع عند الاستلام.

أهم المواصفات الفنية:

Operating Supply Voltage: 3 to 5.5 volts
Digital Output: Resolution 9 to 12 bits
Temperature Measurement Ranges: -55°C to +125°C, ( accurate to 0.5°C.)
Maximum Conversion Time And Response: 750 ms
الوزن: 6 g

هذا المنتج مناسب لمشاريع الأردوينو (Arduino) و ESP32 و Raspberry Pi، ومشاريع الروبوتات وإنترنت الأشياء والتعليم الهندسي. جميع القطع مفحوصة قبل الشحن.

تصفّح المزيد من Sensors في إكوسترا.

Specification

WeightWeight	6 g
Dimensions	3 × 2 × 1 cm
operating-supply-voltage	3 to 5.5 volts
digital-output	Resolution 9 to 12 bits
temperature-measurement-ranges	-55°C to +125°C, ( accurate to 0.5°C.)
maximum-conversion-time-and-response	750 ms

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