diff --git a/README.md b/README.md
index ceeca3a..4dbe0f9 100644
--- a/README.md
+++ b/README.md
@@ -124,6 +124,7 @@ make flash
 * Accelerometer : **BMA456** I2C addr : 0x18 or 0x19 7 bit address.
 * Magnetometer : **QMC5883L** I2C addr : 0x0D 7 bit address.
 * Pressure/Temperature sensor : **BMP280** I2C addr : 0x76 or 0x77 7 bit address.
+* Heart Rate and SpO2 sensor : **Max30102** I2C addr : 0x57 7 bit address.
 
 ## Power source :
 * A single ~ 400 mAh cell lipo battery.