🌡️ MAX30205 Human Body Temperature Sensor (I²C – High Accuracy)
A high-precision digital temperature sensor designed specifically for human body monitoring, offering clinical-grade accuracy. Ideal for wearables, medical devices, and health-focused IoT applications.
📊 Key Specifications
| Parameter | Value |
|---|
| Supply Voltage | 2.7 V – 3.3 V (module often supports 5 V with onboard regulator |
| Operating Current | Typ. 600 µA |
| Temperature Accuracy | ±0.1 °C (37–39 °C) – clinical grade |
| Resolution | 16‑bit → 0.00390625 °C increments |
| Operating Range | 0 °C – 50 °C (expanded beyond with known accuracy) |
| I²C Addressing | Up to 32 I²C addresses via three address pins |
| Alerts / OS Output | Open-drain over-temp alert/shutdown support |
| Package | 8-pin TDFN sensor or breakout board (~21×10 mm) |
🔌 Wiring Guide – Arduino Integration
This I²C sensor connects easily with Arduino:
| Board Pin | Arduino Pin |
|---|
| VCC | 3.3 V or 5 V (if breakout has level shifter) |
| GND | GND |
| SDA | A4 (UNO/Nano) or SDA pin (others) |
| SCL | A5 or SCL pin |
No additional pull-ups needed on breakout versions.
📚 Library Integration
Example Sketch:
CopyEdit
#include <Wire.h>
#include <Protocentral_MAX30205.h>
MAX30205 tempSensor;
void setup(){
Serial.begin(9600);
tempSensor.begin(); // I2C init
}
void loop(){
float t = tempSensor.readTemperature();
Serial.print("Temp: ");
Serial.print(t);
Serial.println(" °C");
delay(1000);
}
This reads precise temperature to ±0.1 °C resolution.
🎥 YouTube Tutorials
Copy these directly into your browser for setup visuals.
📄 Datasheet & Resources
Manufacturer documentation and additional info:
