I2C Sensors ESP32 Open IoT and IIoT Gateways (P01 & P02) LSM6DS33 - 3D accelerometer and 3D gyroscope LIS3DH - 3-axis "nano" accelerometer HTS221 - capacitive digital sensor for relative humidity and temperature measurements SI7006-A20 / SI7020-A20 - humidity and temperature sensor Secure element