This repository contains the MicroPython I2C library for the Gravity: URM09 Ultrasonic Sensor from DFRobot, as well as a very simple example of how to use it. The original repository from DFRobot is ...
The library gives control over up to 16 parallel working PIR devices over I2C. The idea for this library came up in a discussion about how to fully cover an area with PIR sensors without blind spots ...