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OpenHAB installation

  1. #Installation Overview. openHAB 2 is fully written in Java. As such, it only depends on a Java Virtual Machine, which is available for many platforms. openHAB can be executed on different versions of macOS and Windows and many different variants of Linux (Ubuntu, Raspbian,).. Please be aware of the fact, that openHAB 2 is based on a new core and introduces new concepts
  2. #Installation. openHAB can be installed through. the openHABian project (easiest method, ships with the openHABian configuration tool); a package repository (apt, yum) manually from file. The installation through the openHABian project and the use of the provided openHABian configuration tool is recommended for end users.. Installing using the provided package repository (using apt, apt-get.
  3. OpenHAB. OpenHAB est un logiciel domotique Open Source totalement gratuit. C'est un logiciel domotique qui est soutenu par une très large communauté sur GitHub. Comme beaucoup d'autres logiciels domotiques, il fonctionne avec un système de plugins (addons). Les plugins sont gratuits et couvrent tous les domaines de la domotique
  4. Option 3: Manual Installation. Install a recent Java 11 platform (we recommend the Zulu builds of OpenJDK) Download and extract the openHAB runtime distribution: Download openHAB 3.1.0 Stable Runtime. (Optional) Download the add-on archives for offline use and put them in the addons folder of the extracted distribution: You don't need the.
  5. utes car basée sur une image déjà préconfigurée de openHAB avec tous les outils qui vont bien L'uatre avantage est qu'il tire automatiquement la dernière version stable d'openHAB. Vous avez donc compris l'intérêt de cette méthode. Notez le lien de la.

Installation sur Windows. L'installation est identique que pour Linux, MAC OX. Créez tout d'abord un répertoire sur C:\openhab puis décompressez tous les fichiers dans celui-ci. Installation du serveur de démo. Pour faire connaissance avec openHAB, vous pouvez également installer une serveur de démo. Pour cela, il suffit de. For this installation option you need a bundles .jar file. One way of retrieving those files is mentioned above in the openHAB console part. Place the .jar file in the addons folder on the machine you are running openHAB on. As described already for the addons.cfg option, the path depends on your installation Afin de pouvoir utiliser OpenHAB et ainsi faire le premier pas pour notre domotique Raspberry Pi, nous commençons par l'installation, la configuration et la configuration d'OpenHAB dans ce tutoriel avant de connecter d'autres modules dans les parties du tutoriel suivantes. Pièces de matériel requises pour la domotique Raspberry Pi #Raspberry Pi. Because of its low price, its small form factor and the low energy consumption, the Raspberry Pi (opens new window) is a quite popular platform for openHAB. It is favored amongst existing users and a recommended choice for newcomers. If you want to learn more about the possibilities of the Raspberry Pi and Linux in general, many tutorials can be found on the internet

openHAB on Linux openHA

OpenHAB : Installation - Configuration - Raspberry Pi

Setting up a new smart home with Home Assistant – Part Two

Hier zeige ich euch die OpenHAB 3 Installation auf einer Synology Diskstation mittels Docker.Lasst doch ein Abo da, damit Ihr kein OpenHAB 3 Video mehr verpa.. When openHAB3 was released, there have been some big changes also to openHABian such as to install Java 11 and to use changed file and directory names so you cannot simple upgrade the packages without adapting the rest of your server system, the openHABian installation that is. openHAB 2 will continue to work on openHABian, but openHAB 2 support is no longer actively maintained and the.

For this installation option you need to know the id of the desired add-on, e.g., network or mqtt1. You can find it out with the following command within openHAB console: feature:list | grep ^openhab. A list of all available add-ons starting with openhab will be returned. It could look similar to this example In den folgenden Videos werde ich Stück für Stück erklären wie man mithilfe von OpenHab seine eigene Homeautomatisierung realisieren kann, Herstellerübergrei..

Download openHAB openHA

openHABian ou l'installation openHAB en quelques minute

As you can see there are a lot of addons, scan through them and you will get a feel for what a great project openHAB is. Well that is it for the openHAB installation. Now you are ready to move on to the configuration instructions The open Home Automation Bus (openHAB) is an open source, technology agnostic home automation platform which runs as the center of your smart home. openHAB software integrates different home automation systems, devices and technologies into a single solution. It provides uniform user interfaces, and a common approach to automation rules across the entire system, regardless of the number of. openhab-logo-square. Si tu viens de cet article sur l'installation d'openHAB, voici quelques infos pour faire tes premiers pas dans openHAB.. Je te montre les différentes interfaces utilisateurs et l'installation des principaux add-ons pour moi

Vous êtes ici : Accueil / Électronique / Domotique / [OpenHAB] Installation sur NAS Syno 713+ Domotique [OpenHAB] Installation sur NAS Syno 713+ Imprimer E-mail Détails Catégorie : Domotique Publication : 26 juillet 2020 Écrit par Webmestre Affichages : 985. Après avoir testé Jeedom, Domoticz, puis Home Assistant, j'ai décidé de tester OpenHAB sur mon NAS Syno 713+. Il existe un site. OpenHab. Using OpenHabian the installation is a walk in the park. The installation process takes between 20 and 40 minutes and it is extremely hands off. Once it is finished you can enter into the web UI and start adding supported devices. It is that simple. If you have a Raspberry Pi 3, configuring the wireless connection is very simple as well. Related: How to Install OpenHab in 30 Minutes. Yes, both on the same Pi at 10.0.20.5 Not sure if it has updated itself. How? Yes, restarted openhab; not sure how to restart mosquitto One of the first things I checked; I get: Jul 27 10:28:35 openhab systemd[1]: mosquitto.service: Service RestartSec=100ms expired, schedulin Jul 27 10:28:35 openhab systemd[1]: mosquitto.service: Scheduled restart job, restart counter is a Jul 27 10:28:35.

openHAB: serveur domotique pour Raspberry Pi3, macOS

. votre installation openHAB a déjà été faite . Dans mon exemple, j'ai un détecteur d'ouverture de marque Chacon ref 51581. Il émet un signal radio lorsque la porte ou la fenêtre sur laquelle il est installé est ouverte. Il a essentiellement un rôle d'alarme ou d'information d'ouverture. Il est basé sur une fréquence 433 MHz et donc peut remonter l'information à openHAB en passant. It is an image maintained by the OpenHab community with everything preconfigured to have the system working within minutes. If you don´t want read and prefer to watch a video, I am going to leave you here a link to a video from BK Hobby that will walk you through the installation process. You can also keep reading the post, it is a short process In order to be able to use OpenHAB and thus take the first step for our Raspberry Pi home automation, we begin with the installation, setup and configuration of OpenHAB in this tutorial before we connect further modules in the following tutorial parts. Required Hardware Parts for Raspberry Pi Home Automation. As already said, pretty much all devices and sensors can be used with OpenHAB. This post is in the line of my last post and is about the installation of OpenHAB to ubuntu 16.04 server. This post is all about installing OpenHAB to Ubuntu 16.04 using the manual method. I tried with apt-get, but that didn't work for me. STEP 1 (Download OpenHAB runtime):.

OpenHAB 2 - zentraler Knoten im Haus - Thomas Höser

3. Openhabian will ask you to confirm the installation 4. Provide a password for the MQTT Broker 5. Once Openhabian shows you the following message you can restart the Raspberry Pi for the changes to take effect. OpenHab MQTT Binding. Now that you have an MQTT Broker installed on your server, it is time to connect your OpenHab server to the. openHAB 3.0 installed in Docker via le tutorial openHAB - Installation through Docker; Portainer to manage Docker containers (cf. tuto How to Install Portainer Docker UI Manager on Ubuntu 18.04) Eclipse Mosquitto 1.6.12 in a Docker container also (cf. tuto Running the eclipse-mosquitto MQTT Broker in a docker container

Die Klingel muss in openHAB (Teil 1) | Swisscom ICT

An Openhab installation (see Openhab website) A device which can communicate via MQTT with your Openhab setup (for example a switch, a dimmer or a blinds controller) Add Tip Ask Question Comment Download. Step 1: Install the MQTT Binding. At the first of Openhab you get a prompt to install bindings. If you did not install the MQTT binding at that moment, you can add the MQTT-binding. openHABian : une installation d'openHAB facilitée ! Cetutoriel vous explique comment installer openHABian C'est une installation simplifiée et pratique d'openHAB qui contient tous les outils et facilités. Tutoriel. Montée de version openHAB 2.4 en openHAB 2.5 ou les upgrades de 2.5.x en 2.5.y. Ce tutoriel rapide vous donne les commandes pour faire une montée de version d'openHAB 2.4 en. OpenHAB 3 Docker Installation. Hier wird beschrieben wie man OpenHAB in der Version 3 mit nützlichen Tools wie Grafana und Mosquitto MQTT mittels Docker Compose Projekt deployt und grundeinrichtet. Für die Persistenz habe ich eine InfluxDB gewählt. Grafana wird noch durch den Renderer erweitert um bei Alerts auch die Grafiken via Mail zu. Issue information: I have the problem that Frontail no longer displays on my Raspberry either. I also just reinstalled OH3 on the server and the problem is there too. I also get the following message in the DevTool of Chrome: index.js:83..

Smart Home - openHAB 2 Synology DiskStation Installation This post is about how to install openHAB 2 on a Synology Diskstation installation. This guide will tell you which kind of Hardware to choose and which steps have to be done in DSM. If you prefer a video, here we go. openHAB 2 Synology DiskStation - [ This plugin is useful if you want to add rules using the power of Node-RED, instead of the OpenHAB built-in rules. Installation. Install this package node-red-contrib-openhab3 via the Manage palette menu of your Node-RED instance. Changes. Version Description; 1.3.20: Replace request package with axios (#3) 1.3.19: Use official eventsource package: 1.3.18: Add option for sending NULL-values. It's so frustrating. What has happened that the great Synology community is so neglected. I put a lot of effort into getting Java 11 to work, now I'm failing to install OpenHAB version 3.0. I don't dare upgrade to DSM 7 because then I'll.. Installation d'openHab sur le Raspberry Pi J'ai essayé de faire une complète étape par étape tutoriel, comme vivre que possible, sans répétitions, quant à voir dans quels problèmes un utilisateur normal peut entrer lorsqu'il/elle essaie d'installer openhab. Je sais il s'agit d'un tutoriel as To automatically upgrade, it is recommended to use pessimistic versioning: org.openhab.automation.jrubyscripting:gems=openhab-scripting=~>4. This will install at least version 4.0 and on every restart will automatically install any version that is less than 5.0. This ensures that fixes and new features are available without introducing any.

Explorations OpenHab - Installation Index de l'article. Explorations OpenHab Le serveur Organisation d'OpenHab Installation Migration Programmation de règles Et j'appuie où? Container OpenHab 3.X Toutes les pages Page 4 sur 8. Premier déploiement. Extrêmement simple un apt-get install plus tard et le serveur démarrait! Le plus complexe a été d'attribuer les droits d'accès aux. I am not an openHAB expert, far from it; the objective of this tutorial is to share with you my experiments. If it can be of use to other people, so much the better! A few months ago I had already carried out several tests to integrate Z-Wave devices into openHAB. At that time it was openHAB 2.x. With the arrival of openHAB 3.0, rather than doing a migration, I decided to start from scratch. Depending on openHAB installation method, you should modify start.sh, start_debug.sh, start.bat, or start_debug.bat (standalone/manual installation) or EXTRA_JAVA_OPTS in /etc/default/openhab (Debian installation) Depending on Linux distribution, you might need to add the user running openHAB to dialout user group.With Debian openHAB installation: sudo usermod -a -G dialout openhab. The user. Installation and runtime openHAB requires a JVM and can be deployed on servers running various operating systems, a dedicated Raspberry Pi instance, or some network-attached storage systems. [6] [7] The required bindings can be added at runtime via OSGi. openHAB supports a number of persistence backends for storing and querying the smart home data, including relational and time series databases

Le groupe openHAB Beta rassemble la plupart des utilisateurs experts d'Android, qui souhaitent partager leur expérience sur l'utilisation de openHAB Beta et donner à openHAB Beta des avis utiles sur les applications Gestion des ports USB pour installation Z-Wave et RFXtrx433 . Avant propos. Comptez 15 minutes maxi pour la configuration. Prérequis matériels. votre Raspberry 3. l'installation d'openHAB déjà réalisée . Les liens symboliques ou symlinks vont nous permettent de gérer plusieurs ports USB plus facilement. Car si vous ne faites rien, le nom USB va changer à chaque reboot de votre.

openHAB 3.0 - installation et configuration d'une prise connectée Z-Wave. Jan 22, 2021 3 min de lecture Dans ce tutoriel je vous présente l'installation et la configuration d'une prise connectée Z-Wave sur openHAB 3.0. CONTINUER LA LECTURE. Home Automation System - OpenHAB 3 Migration - 20. Wifi Info Sonoff Tasmota with MQTT Part 2 Older; 30/10/2021 Home Automation System - OpenHAB 3 Migration - 32. Gas Alarm and Google Home Pt 1 [Versione in italiano] by Marco Lamanna. Thirty-second chapter related to my OpenHAB 2.5 to OpenHAB 3 migration. In this video we will build a GAS detection alarm system, using items and rules on OpenHAB. The installation process of Home Assistant is similar to that of the OpenHab but the user needs to download the image of HassBian and burn it. There is an installation guide also available on the Home Assistant website to which the new users can refer and start the process. A stable internet connection here too is recommended to carry out the configuration process with ease About OpenHAB, its simply an open-source home automation system developed using JAVA and it lets you automate your home with support for tons of smart home devices., It has got a lot of cool features and I will leave a link for that so make sure to check that out. In this video, we will check with Raspberry Pi. With Raspberry Pi, we have two options like we can install the required packages n. openHAB Installation using Linux GUI. These instructions are for Debian based distributions like Ubuntu. I use LinuxMint for these instructions and it will be similar for any Debian based distribution. If your distribution uses RPMs you will have to modify the procedure. If someone with an RPM based system can send us the steps we will add a procedure for RPM also. We start by opening the.

Installation of Add-ons openHA

From Version openHAB-2.2.0.006 the SPK generates two log files located at /var/log/. The first log file openHAB-install.log will be generated during the installation. If you can't install the openHAB SPK, please have a look inside the file. The second log openHAB-start-stop.log will be generated by starting and stopping openHAB inside the. If on picroft (opens new window), use the skills directory /opt/mycroft/skills and skip the workon mycroft command. # Skill Configuration The skill is configured using the mycroft skill settings. After the skill installation, configuration will be available at https://home.mycroft.ai/skills (opens new window).After it is updated there, reload configuration is needed by saying openHAB 3.x; Notes: all the full JavaScript rules are UI rules; this code is not compatible with the GraalVM JavaScript add-on and will not work when that add-on is installed; Installation. The README in each folder documents the purpose and usage of that library. Pay attention as some libraries depend on others (e.g. timer_mgr depends upon.

How does it look like in OpenHAB? Installation. The installation consists of a hardware and a software part. Make sure you buy/fetch the following things before starting: A supported Modbus/RTU smart meter. A USB RS485 adaptor. I use a homegrown one, please see my USB-ISO-RS485 project; Some cables to connect the adapter to the SDM630 (for testing, I use an old speaker cable I had sitting on. Installation. Install this package node-red-contrib-openhab3 via the Manage palette menu of your Node-RED instance. Changes. Version Description ; 1.3.24: Show proper status for monitor node: 1.3.23: Improve CommunicationStatus event status: 1.3.22: Update docs; Use correct spelling for openHAB: 1.3.21: Always send payload as a string via out2 node: 1.3.20: Replace request package with axios.

Sonoff firmware: DS18B20 sesnor - Smart'ny DomWireless-Tag WT32-SC01 - openHASP

For OpenHAB, the installation process will consume between 20 and 30 minutes of your time and it is just straightforward. The configuration process is usually done using the web interface by following the installation guide provided on the website. The installation process for Home Assistant is just as simple as that for OpenHAB. However, you will need to download and burn the image of. L'installation du plugin : 1) Récupérer l'archive zip du plugin : openHab XBMC plugin. 2) System -> Addons -> Install from ZIP file -> choose openHab_XBMC_plugin.zip -> Validate. Configuration : Par défaut, le plugin utilise les valeurs suivantes : Adresse serveur : 127.0.0.1. Port du serveur : 8080 Make openHAB Demo Installation very easy by automating the previous step using a bash unattended install script. The script assumes a raspberry pi running raspbian or dietpi, which was setup using one of the embedded links. I finished the script on github and . tested the source on dietpi ; tested unattended install script on dietpi . ran one time ; ran multiple times, with CTRL-c interrupts. OpenHAB: Installation on Windows for Home Automation. September 25, 2017 October 28, 2017. OpenHAB is a vendor and technology agnostic open source automation software for making home automation easier. This video is around how to get started with OpenHAB 2. In fact, this is going to be a series of video around it as I have completely shifted towards OpenHAB for my home automation system. Installation instructions. Ubuntu Windows macOS We will walk you through the steps of setting up your OpenHAB Ubuntu Appliance in a vm with Multipass and get logged in..

Raspberry Pi Home Automation: Installer et configurer OpenHA

Vous ne savez pas quel logiciel domotique choisir pour créer votre installation, Docker est un bon moyen de les tester facilement et rapidement sans avoir à configurer une machine à chaque fois. Nous allons voir comment faire pour tester Jeedom, Domoticz, openHAB et Home Assistant. Dans cet article, nous allons utiliser Kitematic (inclus dans le Docker Toolbox) qui ajoute une interface. openHAB Panel. When you click on the Home icon, top-left corner, HabPanel takes you to your panel. As you can see, the panel is composed by 3 different Dashboards one for the Bedroom, one for the Living Room and another one that controls multimedia devices. Dashboard. If you click on Living Room, for example, HabPanel takes you to to the Living Room specific Dashboard. Each one of the square.

Dome Z-Wave Plus Water Main Shut-off Valve ControllerDrayton Wiser Smart Heating Controls Review Part 1 – Step

Raspberry Pi openHA

The installation process of both the systems has some similar stages like downloading the base image on hardware, writing on the SD card and then plugging it in Raspberry Pi. However, installation and further configuration on OpenHAB can seem complex to some users. That is because it needs the command line for entering the directions The default installation of openHAB generates two log files: events.log; openhab.log # Console. The openHAB console allows you to monitor the log in real-time. The log shell provides the following commands: Log Command Description; log:clear: Clear log entries: log:display: Display the last log entries : log:exception-display: Displays the last occurred exception from the log: log:get: Show. Découverte d'openHAB 2 - 1/X Prise en main de la solution domotique openHAB 2 comme point de départ de notre installation domotique. Hugo CHUPIN 14 nov. 2019 • 7 min rea OpenHab se base sur Osgi et utilisation du port 8080 du localhost pour ouvrir OpenHab tutoriel d'installation OpenHab; Recherche de Documentation : projet RICM5; source du projet RICM5 ] Week 2 (January 19th - January 25th) Création d'un git : Installations de Félix -> Test de détection des devices UPnP avec le testeur de Félix Nous avons rempli le cahier des charges, ainsi que les.

openHAB 2 and 3 Installation - Start to Finish - openHAB

These steps will flash your OpenHAB Ubuntu Appliance to your Raspberry Pi with a Windows machine, and get you logged in. Install the Raspberry Pi Imaging Tool. Download the Imaging Tool for Windows. Prepare the microSD card. Warning. This will completely erase the microSD card Montée de version openHAB 2.4 en openHAB 2.5; openHABian ou l'installation openHAB en quelques minutes; Installer openHAB 2.x sous Raspberry 3 ; Sonoff RF Bridge WIFI 433 - Flashage et configuration sous OpenHAB openHAB Installation for OSX Before y ou can instal l Openhab you need to have Java installed. Java comes preinstalled on most machines so you probably already have it Once the installation and configuration are complete, you will be able to receive MQTT message from openhab in regular intervals set via mosquito configuration. In my next set of blogs, I will discuss about how the messages are configured and how the whole architecture differs from WOO reference architecture

openHAB 2 on Linux openHA

openHAB - Une solution de domotique libre et ouverte à toutes les technologies openHAB est une plateforme de domotique open source basée sur Java qui intègre et combine une vaste gamme de produits et technologies pour la maison connectée dans une seule et même solution. S'appuyant sur une couche d'abstraction unifiée, tous les dispositifs connectés sont exposés au moteur de règles d. If you don't have an openHAB instance yet, you can have a look at one of my previous blog posts, which describes the installation of openHAB on a Raspberry Pi. In case you are not yet familiar with the add-on installation process, there is a good documentation available on the openHAB website. We will use the Paper UI based approach. All file system paths I mention are valid for an APT based.

I have a new openhab installation and integrated my Eltako based Enocean setup in there. Sadly the Eltako rollershutter actor is not as powerfull as I wish but it works. My problem is with the voice command to open/close them with alexa. I have blind as Metadata Lable for all my blinds and I can use them with alexa voice commands but open and close are switched. Since I am new and only used. OpenHAB installation on Synology NAS. PROJECTS. Arduino nano clone. Proxxon MF70 conversion to cnc. RPI. RPI mediaplayer KODI. RPI: OctoPrint. RPI: PiFace digital. Software. Outlook: gmail settings . Outlook: yahoo mail. Thingspeak. OpenHAB‎ > ‎ OpenHAB installation on Synology NAS. Install JAVA manager package; Download jdk-7u60-linux-arm-vfp-hflt.tar.gz (hard float from java website) and. As many of you may know openHAB is a server system design to integrate the myriad of available home automation gadgets in the market and control them with one single interface. You can do away with all of the apps that come with each individual gadget and have one central control. I understand that many people haven't taken the plunge to use openHAB simply because they think it is too complex. Install the OpenHAB Ubuntu Appliance for an Intel NUC. Download the OpenHAB image. How to verify your download Run this command in your terminal in the directory the.

openHAB 3.0 - installation et configuration d'une prise ..

In openHAB items may have two states named NULL and UNDEF, which have distinct meanings but basically indicate that an item has no usable value. This library sets the state of an item, regardless of their openHAB value being NULL or UNDEF, to None. This in order to ease working with the library as we do cast certain types to native types Unfortunately openHAB is not part of the official Ubuntu repository, so we'll need to install it from a 3rd party repository. These are the steps to follow (as of Nov 2018) to install openHAB 2.3 (current version) on Ubuntu 18.04 LTS server. Resolve all dependencies Firstly we'll resolve all dependencies (both direct and indirect) tha openHAB 2 Visual Studio Code - Configuration. First choose the installation directory. For this, click the file menu (1) and then open folder (2). Or Simply hit CTRL + K + O. As before, choose the folder Conf. This may either be the Samba Share directory of openHABian (preferably embedded as a network drive) or the Windows / Mac directory Working openHAB installation (see documentation) Configured Tasmota device (accessible from your local network) MQTT broker available (e.g. Eclipse Mosquitto via openHABian) A basic understanding of MQTT; Working and tested connection between openHAB and the MQTT broker (optional) Standalone MQTT client (e.g. MQTT Explorer) to observe and identify messages on the MQTT broker; If not done yet. The open Home Automation Bus (openHAB) project aims at providing a universal integration platform for all things around home automation. It is designed to be absolutely vendor-neutral as well as hardware/protocol-agnostic. openHAB brings together different bus systems, hardware devices and interface protocols. Supported technologies include KNX, Modbus, DMX, Philips Hue, PLCBus, Sonos.

Openhab mit Homematic und Zigbee auf dem Raspberry Pi

openHAB VS Code Extension. openHAB is a vendor and techology agnostic open source automation software for your home. This Visual Studio Code extension allows you to work with openHAB configuration files (like *.items, *.rules, *.sitemap and *.script) thanks to the syntax highlighting, code snippets and integrated search.. The extension is designed with openHAB 2.x in mind - most snippets and. Un tutoriel vous guide dans l'installation d'openHAB sur votre Raspberry et dans l'exploitation de la liaison Modbus pour communiquer avec les dispositifs Studer. Dans le cadre de cet exemple d'implémentation, vous pourriez avoir besoin de la configuration suivante : OpenHAB Version 2.5.9 ou ultérieure; Xcom-485 V 1.6.82 (r672) ou ultérieur OpenHAB and Z-Wave - Installation, Tips, Tricks, Guide and Development Saturday, December 3, 2016 AeoTec Z-Stick Gen5 how to operate, reset, go to inclusion, exclusion and repair mod Next session we'll focus on OpenHAB installation on RPI2, it is strongly advised to prepare for this at home: follow our Install openHAB on Rpi2 installation guide and try to mimic the OpenHAB PC configuration on your openHAB RPI2. Bring the RP2 with you to troubleshoot eventual issues in session 3 where we'll further experiment with the MQTT binding No Comments on From FHEM to OpenHAB with Homegear: Installation/Docker container For more than 2.5 years, I've now been running FHEM with several HomeMatic sensors and actors. Using the HM-CFG-LAN Configuration Tool as an I/O interface between FHEM and the HomeMatic devices, this setup has been running smoothly most of the time