one-stop development tool platform (the IoT Link plug-in on Visual Studio Code), covering the device (BearPi development kit) and Huawei Cloud IoTDA. A smart smoke detector detects and reports smoke density to the IoTDA console. The beep switch can be remotely controlled on the IoTDA ...
Like the Nest Protect, the X-Sense Smart Smoke/Carbon Monoxide Detector Combo will activate all of its alarms if one of them senses trouble. And, they're battery-powered, so you can easily put them in any room you like. What's more, you get five alarms for just under $200, so you...