Not to be confused with PIR sensors, human presence sensors have been available for quite some time but have generally been priced out of reach of the average home user and have mostly been used is commercial settings. Recently, a flood of mmWave human presence sensors have become available at very reasonable prices, ranging from DIY boards for only a few dollars, up to more plug and play Wi-Fi and Zigbee solutions ranging up to the sub $100 mark. In this post I am going to look at a mid-range Zigbee mmWave sensor from Wenzhi / Tuya that I found on AliExpress known as the WZ-M100-W.
Continue reading “Wenzhi / Tuya human presence sensor WZ-M100 review”
Category: Zigbee
Improving your ZigBee network with zigbee2mqtt
If you have done anything with home automation before you would have heard of ZigBee. ZigBee is a protocol many smart devices use to communicate with. One of the most well known products is Philips Hue where their range of smart lamps, sensors and switch’s communicate back to their hue bridge that is attached to your network. A benefit of ZigBee is the ability of powered devices like lamps to act as a mesh router so if you lamp at the other end of the house can’t reach your hue bridge its data can hop across a closer lamp that is nearer to your bridge. Continue reading “Improving your ZigBee network with zigbee2mqtt”