From 667a74b2446026d114cacf0ffccc521d9eab5984 Mon Sep 17 00:00:00 2001 From: Lennart Heimbs Date: Wed, 5 Jun 2019 13:23:59 +0000 Subject: [PATCH] Start work on chap. 3: software --- doc/smart_home_technical_paper | 9 +++++++++ 1 file changed, 9 insertions(+) diff --git a/doc/smart_home_technical_paper b/doc/smart_home_technical_paper index e6c9795..9380c63 100644 --- a/doc/smart_home_technical_paper +++ b/doc/smart_home_technical_paper @@ -33,5 +33,14 @@ Keywords: Smart Home, Presence detection, Node-red, mqtt, gateway, raspberry pi To circumvent this limitation, the raspberry pi is used as a wireless access point running a standalone network. the sensors will connect to this standalone network, in which the gateway is the host with a static ip-address, and send their gathered data via the network to the gateway for further processing. + To communicate with commercial sensors the radio-tranciever HM-MOD-RPI-PCB from ELV is used. + It provides an easy to use 868,3/869,525 MHz radio tranciever which connects to the raspberry pis GPIO-Pins + 3. THE SETUPS SOFTWARE [IMAGE] + The smart home environment is comprised of three key layers: + the logic-layer with node-red and node-red-dashboard implements the logic for the presencedetection and the graphical user interface. + node-red is used because it provides an easy-to-use flow-based programming interface. + data is represented by nodes + mqtt is the protocol used in the networking-layer to relay data coming in from sensors to the logic-layer. + the interface-layer is used to connect \ No newline at end of file