The power of data analytics
Our Android phone is by default equipped with multiple sensors, e.g., accelerator sensors, magnetic field, photo light detector, noise level sensor, etc. I have an unused LG G4 which I turned into a sensor device. To convert the sensor readings into MQTT message, Sensor Node Pro is used. Telegraf is embedded to the MQTT server … Read moreAndroid sensors to Smart Home
This is why a smart home is needed: to understand your home better and communicate with pros on their own language — My dialog with the dishwasher’s company (DC): Me: Hi, I’d like to inform you about my dishwasher’s problem. DC: Sure, please give me your address (by address, they know what type of the … Read moreWhy do we need a smart home?
Instead of buying an expensive and proprietary Zigbee gateway, I bought a Zigbee sniffer that could be “changed” to be a universal gateway (https://lnkd.in/dj9HwBF). The cheapest Zigbee device I could play with is the Ikea Tradfri lamp (~7 euro). But it’s more worth than buying a full set of Ikea smart lighting (cost > 25 … Read moreMy first experiment with Zigbee
There are at least 4 competing IoT connectivity technologies that have already numerous rolled-out products in the market, i.e., RF-433 MHz, WiFi (ESP8266-based devices), Zigbee, and Zwave+. The first two have abundant cheap products, the other two have limited vendor-independent commercial products. I saw a lot of Zigbee & Zwave vendor-locked devices at IoT Expo … Read moreZwave+ vs. WiFi-based IoT devices