This is the simplest led-blink on Linux:

echo N > /sys/class/gpio/export 
echo out > /sys/class/gpio/gpioN/direction 
echo 1 > /sys/class/gpio/gpioN/value
echo 0 > /sys/class/gpio/gpioN/value

But how can I implement this using LuCi web GUI?

As I know there are two files for simplest app: .../controller/ledblink.lua (code below) and .../model/cbi/ledblink.lua

module("luci.controller.ledblink", package.seeall)
function index()
    entry({"admin", "services", "ledblink"}, cbi("ledblink"), _("Led Blink"), 60).index = true
end

What's in .../model/cbi/ledblink.lua ?
I've tried some examples, but no result.

(Last edited by vgovseychuk on 18 Feb 2016, 09:55)