is Flexible, Arduino-Mega/Arduino DUE/ESP8266/ESP32 open-software and open-hardware SmartHome controller. Useful links:
-
Doxigen autodocumentation for developers (litle bit outdated)
It may operate both:
- On especially designed hardware board with 16 optocoupled digital inputs, 16 ESD protected digital/analog Inputs/outputs, 8 open-collector outputs (up to 0.5A/50V), DMX IN/OUT, MODBUS RTU and hardware 1-wire support circuit.
- On plain Arduino MEGA 2560, Arduino DUE, ESP8266, ESP32 and even on Controllino (Controllino is not tested enough)
Lighthub allows connecting together:
- Contact sensors (switches, buttons etc)
- Analog sensors (Leak detectors, Knobs etc)
- 1-Wire temperature sensors (up to 20 on single bus)
- Temperature/Humidity/CO2 sensors: DHT22, CS811, HDC1080 and any type of Modbus connected devices
- Standard nonexpensive Relay board with TTL inputs, like this to control AC powered lamps, floor heaters, boilers etc
- Standard nonexpensive LED dimmers and AC DMX-512 dimmers
- Modbus RTU devices (Currently, possible to control any type of Modbus devices - e.c dimmers, sensors, wall climate panels, HVAC e.t.c
- Simple DMX wall sensor panel like this
List of non-expensive compatible components from AliExpress here
Where is possible both, to configure local control/mapping between inputs and outputs (light, floor heating thermostats) and remote control from MQTT enabled software and between controllers. At the moment, LightHub tested and perfectly working with following set of complementary free software:
- HomeAssistant - the best choice of HomeAutomation system
- Openhab or Openhab2 Smarthome software Openhab provides own native mobile app both, for IoS and Android, and even allow you to use Apple's HomeKit and Google Home to say "Siri, turn on light in bedroom" or "Hey Google, set bedroom light to Red" but requires some server to be installed in-premises (Raspberry PI with Openhabian will good enough)
- HomeRemote mobile client Home Remote mobile applicatios for IoS and Android requires just MQTT broker to be working. Any Cloud-based MQTT broker, like CloudMQTT will enough to serve average household, even with free account.
- Node-Red Possibly, the best solution to deploy event-based authomation and scripting on top of MQTT/LightHub. The easy to use universal and visual tool to wire many different devices in single system. Having own Dashbord which allow control from web/mobile web, even without mobile apps (excelent co-working with OpenHab and HomeRemote)
Scalability of Lighthub is virtually unlimited: Setup so many controllers you needed in most convenient places of your house - MQTT broker will allow controllers communicate each other and with Openhab/NodeRed/HomeRemote and propagate commands across network.
- Russian-language Wiki
- Compiling and flashing
- Configuring
- Browser Plugin for searching and configure controllers
- Channel commands
- OpenHab integration
- Doxygen developers documentation
- Latest Release notes
AVR version (Arduino Mega) is basic, long time in production and have most functions
- DMX-out is software (DMXSimple) on pin3, can be re-defined to PIN 18 (USART1 TX)
- DMX-in - hardware
- WIZNET 5100 and 5500 Ethernets are supported
- Modbus on USART2
- Very limited in terms of RAM available
- OptiBoot bootloader recommended
SAM3X8E (Arduino DUE): (Tested. In production. Recomended hardware at current moment)
- Reachest funcionality from all possible options
- both, DMX-in and DMX-out are hardware USART based. Use USART1 (pins 18 and 19) for DMX-out and DMX-in
- WIZNET 5100 and 5500 Ethernets are supported
- Modbus on USART2
ESP8266, ESP32: (Tested)
- DMX-OUT on USART1 TX
- DMX-IN - disabled - not possible to deploy in ESP8266
- Modbus - disabled on ESP8266, Might be configured on USART0 instead CLI/DEBUG, on ESP32 binded with UART2
- Uses Wifi interface instead wired connection
NRF52840 : Still early development stage
- MY_CONFIG_SERVER=192.168.1.1 // address of external JSON-config http://192.168.1.1/de-ad-be-ef-fe-00.config.json
- WATCH_DOG_TICKER_DISABLE //disable wdt feature
- USE_1W_PIN=49 // use direct connection to 1W devices on 49 pin, no I2C bridge DS2482-100
- SD_CARD_INSERTED // enable sd-card support and fix lan starting
- SERIAL_BAUD=115200 // set baud rate for console on Serial0
- Wiz5500 //Use Wiznet 5500 library instead universal Wiznet
- Wiz5100 //Use Wiznet 5500 library instead universal Wiznet
- DISABLE_FREERAM_PRINT // disable printing free Ram in bytes
- CUSTOM_FIRMWARE_MAC=de:ad:be:ef:fe:00 //set firmware macaddress
- DMX_DISABLE //disable DMX support
- MODBUS_DISABLE // disable old Modbus driver
- MBUS_DISABLE // disable new Modbus driver
- MODBUS_TX_PIN=13
- OWIRE_DISABLE // disable OneWire support
- ARTNET_ENABLE //Enable Artnet protocol support
- AVR_DMXOUT_PIN=18 // Set Pin for DMXOUT on megaatmega2560
- CONTROLLINO //Change Modbus port, direction pins and Wiznet SS pins to be working on Controllino
- LAN_INIT_DELAY=2000 // set lan init delay for Wiznet ethernet shield
- ESP_WIFI_AP=MYAP // esp wifi access point name
- ESP_WIFI_PWD=MYPWD // esp wifi access point password
- WIFI_MANAGER_DISABLE //Disable wifi manager for esp8266
- COUNTER_DISABLE //disable Counter, Uptime input support (for RAM savings on mega2560)
- DHT_DISABLE //disable DHT input support (for RAM savings on mega2560)
- PID_DISABLE // Disable PID regulator
- STATUSLED // Enable RGB status led on pins 50,51,52 (DUE only)
- DMX_SMOOTH //Smooth transition on DMX channels (DUE only)
- OTA // Enable Other The Air firmware upload
- W5500_CS_PIN=53 //Defines CS pin for Ethernet adapter (10-th by default)
- WIFI_ENABLE //Enable WiFi for ESP (Wiznet by default)
- SPILED_DISABLE //Disable SPI LED library
- AC_DISABLE //Disable UART Hayer Air condition driver
- M5STACK //Logging to M5Stack OLED screen
- NO_HOMIE //Disable HOMIE discovery topics
- BRIGHT_STEP //Scale DMX bright - Table1
- BRIGHT_LOG //Scale DMX bright - Table2
- MCP23017 allow I2C input port extender on MCP23017 chip
- RESTART_LAN_ON_MQTT_ERRORS //reinit LAN if many mqtt errors occured
- DEVICE_NAME short handy device name which is used instead of mac for download config http://{MY_CONFIG_SERVER}/{DEVICE_NAME}_config.json
- SYSLOG_ENABLE enable UDP SYSLOG support feature(under DEVELOPMENT) that must be configured through config file
- WITH_PRINTEX_LIB use PrintEx library (develop experimental feature)
- CSSHDC_DISABLE //Disable CS811 and HDC1080 sensors support
- FASTLED - using FASTLED library instead default ADAFRUIT_LED
- SCALE_VOLUME_100 using 0..100 scaling in /set topics instead 0.255 (default)
- Config server: lazyhome.ru (hosting of config files available for all registred users of portal - see MyDevices tab)
- Watchdog enabled
- 1-Wire communication with DS2482-100 I2C driver
- No SD
- Serial speed 115200
- Wiznet 5100 (for MEGA & DUE)
- Free Ram printing enabled
- de:ad:be:ef:fe:ff default MAC address for MEGA (on ESPx, DUE - using hardware defined MAC by default)
- DMX support enabled
- Modbus support enabled
- OneWire support enabled
- Artnet disabled
- LAN_INIT_DELAY=500 //ms
- Defailt MQTT broadcast input topic: myhome/in
- Default MQTT topic to publish device status: myhome/s_out
- Default Alarm output topic: alarm
- DHT, Counter, Uptime support enabled
- Wifi manager for esp8266/esp32 enabled
- RESTART_LAN_ON_MQTT_ERRORS disabled
- DEVICE_NAME disabled
- SYSLOG_ENABLE disabled
- WITH_PRINTEX_LIB disabled, using Streaming library
- CS811 and HDC1080 sensors support are enabled
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