Before I go any further- I need to cover programming the D1 Mini. It isn’t too difficult, but I’m also not going to get into a whole tutorial on using the Arduino IDE. There are a LOT of resources online. I just want to cover the specifics for this application. After you launch it, you need to add the ESP8266 board configurations to it. This is pretty easy- just open up Arduino -> Preferences and look for: Auto sequencing: randomized turn-on delay in each relay ensures that no two turn on at the same time across a system If an item can not be repaired, a similar alternative product or cash discount (as defined in this policy) will be offered

Relay circuit board, includes Northlight Systems DMX512 to Relay circuit board, includes

attachInterrupt(0, PinA, RISING); // set an interrupt on PinA, looking for a rising edge signal and executing the "PinA" Interrupt Service Routine (below) Now- create a new “Sketch” (Program) and call it something like “D1_Relay_Controller”. Copy and paste the following into it: else if (reading == B00000100) bFlag = 1; //signal that we're expecting pinB to signal the transition to detent from free rotation pinMode(pinB, INPUT_PULLUP); // set pinB as an input, pulled HIGH to the logic voltage (5V or 3.3V for most cases) DMX is based on the RS-485 serial interface standard. Typically, three-pole XLR plugs are used for cable connections.C:\Users\emot\AppData\Local\Temp\arduino_build_612780\libraries\DMXSerial-master\DMXSerial.cpp.o (symbol from plugin):(.text+0x0): first defined here Auto Mode (default) - switches on when DMX/RDM signal is detected; switches off after signal is no longer detected Northlight's Relay board will receive DMX512 digital protocol and standard 0-10 VDC analog to control mechanical relays. int output_1 = 5; // names the ESP8266 GPIO output pin we are using (5 is D1 !!!), don't change this for Relay Shield.

DMX switcher SwitchGate DIN by Sundrax Electronics DMX switcher SwitchGate DIN by Sundrax Electronics

Once you have finished editing things, you are ready to upload your Sketch to the D1 Mini. Plug it into your computer using a Micro-USB cable. You might see a brief flash of a blue LED next to the WiFi antenna, but otherwise not much will happen. You should get an instant answer on whether your application has been successful, though in some rare cases Klarna or V12 may need to look at the application in more detail. railSwitch offers a pre-set mode that enables it to run stored programmes without an active DMX controller. Other features include data loss mode (which determines what railSwitch should do in the event of loss of the DMX signal) and test mode, which is particularly useful during commissioning.

Detail

Reading DMX telegrams for further processing in the WAGO-I/O-SYSTEM (e.g., switching hall illumination from DMX light control console) You have almost unlimited E1.31 Universes, so the most straightforward way to do this if you are going to use multiple relays is just to use a Universe for each one. So “Relay 1” might be Universe 1, “Relay 2” would be Universe 2. You would just set “universe = 1”, and “channel=0” Channel 0 translates to “Red” on many light controllers, or it will actually be called “Channel 1”. Internally it is 0 though, which can be a bit confusing. volatile byte aFlag = 0; // let's us know when we're expecting a rising edge on pinA to signal that the encoder has arrived at a detent DMX512 was created in 1986 by an engineering commission for USITT (United States Institute for Theater Technology) as a way to control dimming channels on lights. In 1998, the ESTA began work in getting DMX to the point where it could be approved by ANSI and in 2004, DMX-512A was ANSI approved as the "Asynchronous Serial Digital Data Transmission Standard for Controlling Lighting Equipment and Accessories." Suggested Reading