This script shows how to control an LED with FIO5 with a Lua script.

LJ - 09.50 - blink_LED_FIO5.lua

--[[
LJ - 09.50 - blink_LED_FIO5.lua

This script shows how to control an LED with FIO5 with a Lua script.

Components
----------

- LabJack T4
- LED
  - Cathode (short pin) to GND
  - Anode (long pin) to FIO5
- Wires
- Breadboard

Course
------
Data acquisition and automation with LabJack
https://app.techexplorations.com/courses/labjack/

--]]

--- Original: https://labjack.com/support/software/examples/lua-scripting/toggle-dio
print("Toggle the digital I/O called FIO5 at 1 Hz. Generates a 0.5Hz square wave.")

local outpin = 2005  -- This is FIO5, as can be seen with the help of the Register Matrix
local devtype = MB.readName("PRODUCT_ID")
print("Device type: ", devtype)

local diostatus = 0
local mbWrite=MB.W -- assign the W (write) function to a local variable

-- Configure a 1000ms interval
LJ.IntervalConfig(0, 1000)

while true do
  -- If an interval is done
  if LJ.CheckInterval(0) then
    -- If the DIO pin is set high
    if diostatus == 1 then
      -- Set the DIO pin low
      diostatus = 0
      print(diostatus, "low")
    else
      -- Set the DIO pin high
      diostatus = 1
      print(diostatus, "high")
    end
    -- Apply the change to the DIO pin register (toggle on or off)
    mbWrite(outpin, 0, diostatus)
  end
end