But If you want 'just' a PCB that is able to control your house from a remote location (TCPIP IO with a webpage), this is the PCB to make it all come true. I will use this board for my Loxone, but you can also use it for other home automation systems. Please joint me in the open hardware/software project to make it a good PCB. I am a hardware engineer and not specialized in developing software. There are a lot of Arduino libraries available or the Modbus/1-wire/LCD/BLE, etc. The ethernet connection is the main communication possibility of the PCB. Modifying sensors and suggestions for sensing the smart home. * This PCB will probably spark some other ideas. The PCB has ESD protection diodes and resettable fuses. I won't compromise the quality to get a cheaper PCB. This doesn't mean that the PCB is no good quality. The 24VDC will be converted to 3v3 and 5v for powering the MCU and peripherals. * High efficiency step down power converter. * Small LCD to give insight into the working PCB Connected with a MAX485/SP485/ST485 to the ATSAMD21 Connected with a DS2484R+T to the ATSAMD21 * Wifi or BLE module will provide additional communication options. The PCB has a place for the ENC28j60 device (SPI to ethernet). This USB port will be used to update the controller. The 'old' standard USB connections are robust. * The PCB can also be used as a standalone product (with webpage, etc.), but also as an IO extension for an existing home automation system. This controller is Arduino M0 compatible (with the right firmware inside) Outputs can be connected to mechanical relay or SSR ( ) Changing inputs will be processed immediately because this will raise an interrupt. can be configured separately as inputs and outputs. These are the specs of the final hardware: You can also connect some PIR sensors on the digital inputs (with a AC to DC level adapter in between) and generate an alarm when you're from home (send a notification by the internet to your phone). But the device can also generate TCP request when an input changes. With a webpage on the ATSAMD21 you can have a realtime insight in the digital inputs and set the digital outputs. This project can also be used by someone that doesn't use a Loxone. So this PCB can also be a network gateway to those interfaces. There will be the following interfaces available: I2C, 1-wire, DMX, Modbus, Wifi/BLE, Ethernet. A device that can be connected to the network and send the active button signal to the Loxone by ethernet. Let's make a cheaper and more flexible solution to expand the inputs & outputs. The Loxone Miniserver is a very nice device, but additional KNX devices that you need for the system are very expensive. Now I am looking for a smart solution for my smarthome. So besides the water the house will be a 100% sustainable home. It's already disconnected from the gas supply line and it will be a house with a heat pump and solar panels. I decided to turn my home into a smarthome. I am renovating my bungalow from 1967 and was curious about the current state of technology for smarthomes. The Relay Extension and the Loxone Miniserver are a perfect duo.On 22 March 2017 I went to the High Tech Campus in Eindhoven to attend a seminar about 'smarthomes' (presented by ). Quick commissioning - connect and get started: You can control 7 blinds or 14 lighting circuits with just one relay extension! So you can switch 100 light bulbs or 2 fan heaters with just one relay! We have given the Relay Extension high-performance 16A relays. Together with the Loxone Miniserver you get the perfect solution for controlling blinds, lights, heating, alarm systems and more.ฤก4 times full power with 16A (max.250VAC) relay: The Loxone Relay Extension brings more power into your home. 250VAC), the extension is ideally suited for switching tasks of all kinds. The Loxone Relay Extension is equipped with 14 potential relay relays.
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