AI01 4-Sensors


This leaf is equipped with a temperature/humidity sensor, an illuminance sensor and an acceleration sensor and is connected to the MCU leaf via I2C.



Item Description
Dimension   W23×D20.5×H4.7mm

Temperature/Humidity Sensor

Item Description
Part number HTS221TR
Relative Temperature range -40~120℃
Temperature accuracy ±0.5°C (15 to +40°C)
Relative humidity range 0 to 100%
Humidity accuracy 3.5% rH (20 to +80% rH)
Interfaces I2C(Address: 0x5F)

Illuminance Sensor

Item Description
Part number OPT3001
Measurement range 0.01 lux to 83 k lux
IR Rejects > 99% (typ)
Interfaces I2C(Address: 0x44 or 0x45)

Acceleration Sensor

Item Description
Part number LIS2DHTR
Measurement range ±2g/±4g/±8g/±16g (selectable)
Function 6D/4D orientation detection
Freefall detection
Motion detection
Interfaces I2C(Address: 0x49)

Block diagram


Sample App

AVR MCU Examples

ESP32 MCU Examples


Libraries are available for this leaf. Please install the necessary libraries from Environment to use them.


Revision history

  • Rev A1.0: First edition, August 2019

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Last modified 09.03.2021