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AD7705 AD7606 Data Acquisition Module
Price range: $3.33 through $16.66
CJMCU-30205 MAX30205MTA HumanBodyTemperature
$9.90
Due to its ultra-high accuracy, low power consumption, and convenient I2C interface. It is widely compatible with development platforms such as Arduino and ESP32.
| Size | |
|---|---|
| Weight |
0.86g |
0
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Description
Introduction
The MAX30205 launched by Maxim Integrated is a digital human body temperature sensor that can be used on development boards such as Arduino and ESP32. The working principle is as follows:
- Temperature detection principle: The MAX30205 uses high-precision microprocessors and sensor technology to measure the temperature on the human body surface and convert it into a digital signal.
- Digital signal processing: The chip inside the sensor processes the collected temperature data to obtain more accurate and stable temperature values.
- Communication interface: The MAX30205 features I2C and SPI interfaces, enabling communication with controllers such as Arduino, thereby providing reliable data transmission. ·Feedback mechanism: The MAX30205 also features a feedback mechanism that can automatically calibrate sensor errors, ensuring the accuracy and reliability of temperature measurement.
Key parameters
| Product Name | 30205 Human Body Temperature Sensor Module |
| Chip Used | MAX30205MTA |
| Supply Voltage | 2.7V – 3.3V |
| Working Current | 600uA (typ) |
| Accuracy | 0.1℃ (Between 37℃ – 39℃) 0.5 (MAX) |
| Temperature Resolution | 16 – bit (0.00390625℃) |
| Communication Method | IIC |
| Weight | 0.86g |
| Module Size | 22mm * 13mm |
Hardware connection method
Arduino
1、The IIC address of the four wires is 0x4F
- 3.3V————–VCC
- GND————–GND
- SCL————–SCL
- SDA————–SDA
2、The IIC address of the seven wires is 0x48
- 3.3V————–VCC
- GND————–GND
- SCL————–SCL
- SDA————–SDA
- GND————–A0
- GND————–A1
- GND————–A 2
STM32
- SCL————–PB6
- SDA————–PB7
- GND————–A0、A1、A 2
- TX————-RX
- RX————–TX
- Baud rate：115200
Key Features
1、High Accuracy and Low-Voltage Operation Aids
Designers in Meeting Error and Power Budgets
- 0.1°C Accuracy (37°C to 39°C)
- 16-Bit (0.00390625°C) Temperature Resolution
- 2.7V to 3.3V Supply Voltage Range
2、One-Shot and Shutdown Modes Help Reduce Power
Usage
3、600μA (typ) Operating Supply Current
4、Digital Functions Make Integration Easier into Any
System
- Selectable Timeout Prevents Bus Lockup
- Separate Open-Drain OS Output Operates as
Interrupt or Comparator/Thermostat Output
Product Application
The MAX30205 features three address selection lines, offering a total of 32 available addresses. The sensor adopts a power supply voltage range of 2.7V to 3.3V, a low power supply current of 6004A, and a locking protection 12C compatible interface, making it ideal for wearable fitness and medical applications.
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