Ready to use KIT for home automation system that includes Rock PI S single-board computer ARM 64bit, metal enclosure, high-endurance 32GB memory card within Debian Linux, Domoticz, firewall and backup system.
It also includes a USB to RS485 adapter, a   DomBusTH  module within temperature and humidity sensors, red green and white LEDs, 4 inputs and 2 outputs, and power supply (12Vdc for DomBus modules and 5Vdc for the single-board computer).

The idea is to supply a simple KIT, plug and play, that permits to build a domotic system easily.

As Domoticz software is reliable, powerful and cost effective, this is the best Christmas, Birthday and school gift to introduce students and people with some electric/electronic skills to home automation systems: it's possible to add our DomBus modules, as like as Zigbee, Zwave, WiFi and other domotic modules to build even large sensors and I/O network for your house.
We also have other KITs that already includes modules to read temperature and humidity, read electricity parameters (house power/energy consumption and production, ...), inputs and outputs.
When connected to the power supply and LAN, it's possible to connect to its IP address (automatically assigned by the DHCP service) through:

• www browser, on PC and smartphone, at address https://192.168.1.101 or http://192.168.1.101:8080  (replace 192.168.1.101 with its real IP address)
• smartphone app Domoticz
• SSH console

Rock PI S is a smaller and cheaper alternative for the (often not available) Raspberry PI 4 single board computer, with less RAM but with a compact form factor and very low power consumption, ideal solution for optimized software like Domoticz (written in C++).

Features:

• quad-core MCU, 1.3GHz, 64bit
• 512 MB ram
• 32GB storage
• Very compact: 50x50x30mm
• Very low power consumpion: 0.4W normally, up to 1.5W during heavy duty
• 1 USB + 1 100Mbps ethernet + 1 USB type-C for power supply
• Several GPIO available: see below to know how to use them
• Domoticz already installed, with python plugins manager and Creasol DomBus plugin
• Automatic backup system, that permits to export backup to a NAS or other storage
• Firewall, that permits to limit access to the device preventing unauthorized accesses
• The operating system is optimized to limit write access to the micro-sd, extending its life

It should be supplied by:

• USB Type-C power adapter, 5V 1A
• or USB Type-C DC/DC regulator, the ideal solution when battery-backupped 12V is available

   GPIO0_A0 ~ A7 
   GPIO0_B0 ~ B7
   GPIO0_C0 ~ C7
   GPIO0_D0 ~ D7
   
   GPIO1_A0 ~ A7
   ....
   GPIO1_D0 ~ D7

   GPIO4_D3 = 32*4 + 8*3 + 3 = 155

   cd /sys/class/gpio
   echo 155 > export
   cd gpio155
   echo out > direction
   echo 1 > value     # output high
   echo 0 > value     # output low