MaximoTG98

local component = require("component")
local sides = require("sides")
local rs = component.redstone

while true do
	reds = rs.getInput(sides.back)
	if reds == 0 then
		print("There isn't redstone")
		elseif reds ~= 0 then
			print("There is redstone")
			rs.setOutput(sides.front,15)
	end
end


OpenComputers mod version: 1.7.1.43
Photos of the setup:
 https://prntscr.com/iyzf7g
 https://prntscr.com/iyzf72
Screenshot of the error:
 https://prntscr.com/iyzg5a