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

LJ - 09.70 - voltage_follower_verbose.lua

--[[
LJ - 09.70 - voltage_follower_verbose.lua

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

Components
----------

- LabJack T4
- Voltmeter/Multimeter
  - Multimeter red probe to DAC0
  - Multimeter black probe to GND
- Potentiometer
  - Midlle pin to AIN0
  - Left pin to VS
  - Right pin to GND
- Wires
- Breadboard

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

--]]

print("Read AIN0 input voltage and set DAC0 output voltage. Update at 10Hz")
local InputVoltage = 0

LJ.IntervalConfig(0, 100)                   --set interval to 100 for 100ms
local checkInterval=LJ.CheckInterval
local mbRead = MB.R			--local functions for faster processing
local mbWrite = MB.W

while true do
  if LJ.CheckInterval(0) then               --interval completed
    InputVoltage = mbRead(0, 3)             --read AIN0. Address is 0, type is 3
    print("AIN0: ", InputVoltage, "V")
    mbWrite(1000, 3, InputVoltage)
  end
end