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Temperature Sensor DS18B20 (KY-001)

SKU: A2GA9IWRL8
The KY-001 DS18B20 Temperature Sensor Module is a high-precision digital temperature sensing module based on the popular DS18B20 digital temperature sensor. It communicates using the 1-Wire protocol, allowing multiple sensors to operate on a single data line while requiring only one microcontroller pin for communication. The DS18B20 provides accurate temperature measurements with programmable resolution from 9 to 12 bits and...
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Specifications

Specifications:

Module Type: Digital Temperature Sensor Module
Model: KY-001
Sensor IC: DS18B20
Communication Protocol: 1-Wire Digital Interface
Operating Voltage: 3.0V to 5.5V DC
Temperature Measurement Range: -55°C to +125°C
Temperature Accuracy: ±0.5°C (Typical from -10°C to +85°C)
Resolution: Programmable 9, 10, 11, or 12 Bit
Temperature Resolution: Up to 0.0625°C
Conversion Time: 93.75ms to 750ms Depending on Resolution
Unique Device Address: 64-Bit Serial Code
Output Type: Digital
Standby Current: Less Than 1µA
Operating Current: Approximately 1mA During Conversion
Interface Pins: VCC, GND, Signal (S)
Pull-Up Resistor: Onboard (Module Dependent)
Operating Temperature: -55°C to +125°C
Storage Temperature: -55°C to +125°C
PCB Dimensions: Approximately 18.5mm × 15mm
Mounting Type: Through-Hole Module
Compatibility: Arduino, ESP32, STM32, Raspberry Pi Pico, AVR, PIC

Additional Resources

DS18B20.PDF

FAQ

1. What is the KY-001 DS18B20 sensor used for?

The KY-001 is used for accurate digital temperature measurement in weather stations, automation systems, IoT devices, and environmental monitoring projects.

2. What communication protocol does the DS18B20 use?

The sensor uses the 1-Wire communication protocol, allowing multiple sensors to share a single data line.

3. What temperature range can the DS18B20 measure?

The sensor can measure temperatures from -55°C to +125°C.

4. Can multiple DS18B20 sensors be connected to one microcontroller pin?

Yes, each sensor has a unique 64-bit address, allowing multiple DS18B20 sensors to operate on the same 1-Wire bus.

5. Is the KY-001 compatible with Arduino and ESP32?

Yes, the module is fully compatible with Arduino, ESP32, STM32, Raspberry Pi Pico, and other microcontroller platforms that support 1-Wire communication.

View full product details

The KY-001 DS18B20 Temperature Sensor Module is a high-precision digital temperature sensing module based on the popular DS18B20 digital temperature sensor. It communicates using the 1-Wire protocol, allowing multiple sensors to operate on a single data line while requiring only one microcontroller pin for communication.

The DS18B20 provides accurate temperature measurements with programmable resolution from 9 to 12 bits and does not require external analog-to-digital conversion. Each sensor contains a unique 64-bit serial code, making it ideal for distributed temperature sensing applications.

The KY-001 module is widely used in weather stations, environmental monitoring systems, industrial control equipment, smart home devices, IoT projects, data logging systems, and Arduino-based temperature monitoring applications.

Key Features

  • Based on the DS18B20 digital temperature sensor
  • High-accuracy digital temperature measurement
  • 1-Wire communication interface
  • Single-pin microcontroller communication
  • Programmable 9 to 12-bit resolution
  • Unique 64-bit serial identification code
  • Supports multiple sensors on one data line
  • No external ADC required
  • Wide temperature measurement range
  • Low power consumption
  • Fast and reliable temperature sensing
  • Compact PCB module design
  • Compatible with Arduino, ESP32, STM32, and Raspberry Pi
  • Ideal for IoT and environmental monitoring projects