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Introduction:
DS2164Q is a member of the DS21x4Q family of digital temperature sensors from Maxim Integrated. It provides temperature readings with a resolution of 9 to 12 bits, selectable by the user. The sensor communicates over a 1-Wire interface, simplifying connectivity and allowing multiple sensors to be daisy-chained on a single bus.
Application Example:
In this tutorial, we will demonstrate a simple temperature monitoring project using DS2164Q and an Arduino microcontroller. The project will involve reading temperature data from the sensor and displaying it on a serial monitor.
Experiment Steps:
1. Hardware Setup:
Connect the DS2164Q sensor to the Arduino as follows:
- Connect the sensor's GND pin to Arduino GND.
- Connect the sensor's DQ pin to any digital pin on the Arduino (e.g., pin 2).
- Connect the sensor's VDD pin to Arduino 5V.
2. Software Setup:
Download and install the OneWire library for Arduino, which provides functions to communicate with 1-Wire devices.
3. Arduino Sketch:
Write an Arduino sketch to read temperature data from the DS2164Q sensor using the OneWire library. Sample code snippet:
#include#define ONE_WIRE_BUS 2 // Pin connected to DS2164Q DQ pin OneWire oneWire(ONE_WIRE_BUS); void setup() { Serial.begin(9600); } void loop() { byte data[9]; oneWire.reset(); oneWire.write(0xCC); // Skip ROM command oneWire.write(0x44); // Start temperature conversion delay(750); // Wait for conversion to complete oneWire.reset(); oneWire.write(0xCC); // Skip ROM command oneWire.write(0xBE); // Read scratchpad command for (int i = 0; i < 9; i++) { data[i] = oneWire.read(); } int16_t rawTemperature = (data[1] << 8) | data[0]; float temperature = rawTemperature * 0.0625; Serial.print("Temperature: "); Serial.print(temperature); Serial.println(" °C"); delay(1000); // Delay between readings }
4. Upload and Run:
Upload the Arduino sketch to the microcontroller and open the serial monitor. You should see the temperature readings displayed in degrees Celsius.
Conclusion:
In this project, we've demonstrated the basic usage of DS2164Q digital temperature sensor with an Arduino microcontroller. You can further extend this project by integrating additional sensors, adding an LCD display for temperature visualization, or implementing threshold-based temperature alerts.
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(1)Such as a deficiency in quantity, delivery of wrong items, and apparent external defects (breakage and rust, etc.), and we acknowledge such problems.
(2)We are informed of the defect described above within 90 days after the delivery of DS2164Q.
(3)The PartNo is unused and only in the original unpacked packaging.
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(1)Inform us within 90 days
(2)Obtain Requesting Return Authorizations
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