Set up Home Assistant to manage your open source smart home

Learn how to install and configure Home Assistant in the fourth article in this series on home automation.

In the first article in this series, I introduced Home Assistant and why you might be interested in it. In short, Home Assistant is an automation hub for some of the most common smart devices on the market today. It enables centralized coordination of disparate hardware. By using it, you no longer have to choose suboptimal tech from a single vendor to manage your smart home from a single app. It also means you will no longer struggle with a hundred different apps that all function slightly differently to manage all your devices. One program to rule them all… or at least that’s the dream.

In the second and third articles, I looked at some of the decisions to make when developing home automation, namely local vs. cloud control, and whether to choose Zigbee, Z-Wave, or WiFi, just to hit the high points. This fourth article will be much more hands-on than the previous ones by walking you through setting up a virtual machine (VM) with the Home Assistant-provided image.

Set up the VM

I won’t cover all of the methods available for installing Home Assistant (HA). I run HA in a virtualized environment, and the official installation page provides VMDK, VHDX, VDI, QCOW2, and OVA downloads. I have a libvirt-based homelab, so I chose the QCOW2 image…



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建設業界のデジタルシフト 建設×テクノロジーを実現するCon-Tech とは


ここ2〜3年ほどで、日本各地で街並みが大きく変化してきている。街並みが変化しているということは、さまざまな建設工事が進んでいることを示している。実際、建設業界は国内市場で自動車産業の次に大きな規模を持っており、平成29年度の建設投資は、54兆9,600億円になる見通しだ。この巨大市場に、変化が訪れている。Con-Tech(Construction -Tech)と呼ばれる建設系スタートアップが次々と登場し、作業の効率化や合理化、課題解決が進んでいる。今回は8つの事例を紹介する …


株式会社幸楽苑ホールディングス(本社:福島県郡山市、代表取締役社長:新井田 昇、以下 「幸楽苑」 )は、新型コロナウイルス感染症の予防対策や人手不足解消を目的とし、2020年8月27日(木)より本宮店(福島県本宮市)にてAIを活用した非接触型の自動配膳ロボット「K-1号(ケー・イチゴウ)」導入の実証実験を開始します。



Biofuel-powered soft electronic skin with multiplexed and wireless sensing for human-machine interfaces

Existing electronic skin (e-skin) sensing platforms are equipped to monitor physical parameters using power from batteries or near-field communication. For e-skins to be applied in the next generation of robotics and medical devices, they must operate wirelessly and be self-powered. However, despite recent efforts to harvest energy from the human body, self-powered e-skin with the ability to perform biosensing with Bluetooth communication are limited because of the lack of a continuous energy source and limited power efficiency. Here, we report a flexible and fully perspiration-powered integrated electronic skin (PPES) for multiplexed metabolic sensing in situ. The battery-free e-skin contains multimodal sensors and highly efficient lactate biofuel cells that use a unique integration of zero- to three-dimensional nanomaterials to achieve high power intensity and long-term stability. The PPES delivered a record-breaking power density of 3.5 milliwatt·centimeter−2 for biofuel cells in untreated human body fluids (human sweat) and displayed a very stable performance during a 60-hour continuous operation. It selectively monitored key metabolic analytes (e.g., urea, NH4+, glucose, and pH) and the skin temperature during prolonged physical activities and wirelessly transmitted the data to the user interface using Bluetooth. The PPES was also able to monitor muscle contraction and work as a human-machine interface for human-prosthesis walking.