home-assistant.io/source/_posts/2015-04-25-release-notes.markdown
2015-12-19 09:28:41 -08:00

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---
layout: post
title: "Release notes for April 25, 2015"
description: "Introducing support for line charts, a logbook, ISY994 hub, Transmission and modbus."
date: 2015-04-25 6:57 -0700
date_formatted: "April 25, 2015"
author: Paulus Schoutsen
author_twitter: balloob
comments: true
categories: Release-Notes
---
It's been a month since the latest update and a lot has happened again. Here a quick overview of the new things.
__Line Charts__
[James](https://github.com/jamespcole) has upgraded the history in the frontend to support line graphs. Line graphs will be shown for any entity that has a unit of measurement. The line graphs will also be shown in the more info card of an entity. [See the demo for a live example.](/demo/)
<p class='img'>
<img src='/images/screenshots/history-line-graphs.png'>
</p>
__ISY994 hub support__
<img src='/images/supported_brands/universal_devices.png' style='border:none; box-shadow: none; float: right;' height='50' /> [Ryan](https://github.com/rmkraus) has contributed support to integrate the ISY994 hub by Universal Devices. This allows you to integrate your X10/Insteon sensors, switches and lights.
He has created an extensive getting started guide which can be found on [the ISY994 component page](/components/isy994/).
```yaml
# Example configuration.yaml entry
isy994:
```
__Logbook__
<img src='/images/screenshots/logbook.png' style='margin-left:10px; float: right;' height="100" /> I (Paulus) have added a logbook component. The logbook component provides a different perspective on the history of your house by showing all the changes that happened to your house in chronological order. [See the demo for a live example.](/demo/)
<span class='clearfix'></span>
```yaml
# Example configuration.yaml entry
logbook:
```
<!--more-->
__Transmission support__
<img src='/images/supported_brands/transmission.png' style='border:none; box-shadow: none; float: right;' height='50' /> James has also contributed support for integrating Transmission into Home Assistant.
```yaml
# Example configuration.yaml entry
sensor:
platform: transmission
name: Transmission
host: 192.168.1.26
port: 9091
username: YOUR_USERNAME
password: YOUR_PASSWORD
monitored_variables:
- type: 'current_status'
- type: 'download_speed'
- type: 'upload_speed'
```
__Modbus support__
[Kixam](https://github.com/kixam) has contributed support for modbus, a serial communication protocol to control PLCs. It currently supports sensors and switches which can be controlled over serial, TCP and UDP connections.
```yaml
# Example configuration.yaml entry
modbus:
type: serial
method: rtu
port: /dev/ttyUSB0
baudrate: 9600
stopbits: 1
bytesize: 8
parity: N
sensor:
platform: modbus
slave: 1
registers:
16:
name: My integer sensor
unit: C
24:
bits:
0:
name: My boolean sensor
2:
name: My other boolean sensor
switch:
platform: modbus
slave: 1
registers:
24:
bits:
0:
name: My switch
2:
name: My other switch
```