12/7/2023 0 Comments Arduino sensors for smartthingsRead More “Unleashing Processing Power with OpenSensorHub and GPUs” ![]() To clients connecting with their “local” instance of OpenSensorHub the fact that the sensor is actually hosted and managed by a “remote” instance is of no consequence. SWE Virtual Sensors, on the other hand, allow for a pull type mechanism where an instance of OpenSensorHub is configured to mirror one or more sensors on a remote instance of OpenSensorHub. SOS-T allows for a push mechanism directly from sensors with network connectivity to an OpenSensorHub instance or for a “local” OpenSensorHub instance to push a sensor’s description and observations to a “remote” instance of OpenSensorHub. OpenSensorHub allows for two distinct methods for such integration: SOS-T (Sensor Observation Service – Transactional) or Sensor Web Enablement Virtual Sensors. This can allow for vertical or horizontal integration to provide a network and hierarchy of systems, if needed, configurable to meet the desired objectives. OpenSensorHub allows for vertical and horizontal integration of systems where multiple OpenSensorHub enabled systems can be deployed and configured to share data. Read More “On Robotics Applications as Connected Systems with OpenSensorHub and ROS” To complete the solution, we added a compatible GPS module that could be connected via USB to the SBC. This package includes prebuilt ROS-1 packages on Ubuntu 18.02 Linux and an optional downloadable smart phone app. ![]() This system includes a SLAMTEC RP-Lidar A1 (2-dimensional), an Orbbec Astra Pro (RGB and Depth Camera), a wireless PS-2 like controller, and an Nvidia Jetson Nano with a hardware interface board. To this end we acquired another, albeit more expensive but not prohibitively so, STEM robotics platform – The Yahboom Transbot ROS package. The ideal solution would be to combine the capabilities of the Robot Operating System (ROS) with OSH to create truly location-enabled, geographically aware, web-accessible robotics platform powered by Nvidia Jetson single board computer (SBC). We also explored running OSH on Nvidia Jetson cards and making use of the GPUs to improve the processing necessary to augment sensor observations with SensorML process chains making use of artificial intelligence, machine learning, and computer vision. However, we were lacking the location-enabled and geographically aware aspects to this solution simply because we did not equip it with its own GPS unit. The entire software stack was hosted on the on-board Raspberry Pi. As usual, you can also get a 10% discount with the coupon CNXSOFTSONOFF.In the past, we wrote a brief article on OpenSensorHub (OSH) integration with robotics platforms where we used an inexpensive STEM platform (“Yahboom G1 AI vision smart tank robot kit with WiFi video camera for Raspberry Pi 4B”), stripped the software and wrote a completely OSH centric web-accessible services solution for monitoring and tasking the robot. ITEAD is taking pre-orders for the SNZB-06P Zigbee human presence detection sensor for $14.90 with shipping scheduled for mid-November. Once the initial configuration is complete with the eWelink app, you can set up the sensor to work with Amazon Alexa, Google Home, Samsung Smartthings, Yandex Alice, IFTTT, or Home Assistant open-source home automation framework. But note that It won’t work as well as a more expensive AI solution, as the SNZB-06P will also detect movement from pets, curtains, smart vacuum cleaners, and working fans. It’s probably consuming more than PIR motion since it does not come with a battery and needs to be powered by a USB cable, but if you sit while using your laptop or lie down while reading a book, it won’t suddenly turn off the lights if no motion is detected since natural breathing is enough. The kit also comes with cable clips for neater cable management. Mounting can be done with the built-in magnet, the provided 3M adhesive, or a screw mount. Power Supply – 5V DC/1A via USB Type-C port. ![]()
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