-- download at MT.QZX.COM (dual-trigger-timer.lua)
-- latches two inputs for time period
-- time period is reset on each latch
-- the two latched inputs are passed to two outputs

local i1 = "a"
local i2 = "b"
local o1 = "d"
local o2 = "c"
local t = 15 -- seconds

if event.type == "on" then
	if string.lower(event.pin.name) == i1 then
		port[o1] = true
		interrupt(t, "wait")
	elseif string.lower(event.pin.name) == i2 then
		port[o2] = true
		interrupt(t, "wait")
	end
elseif event.iid == "wait" then
	port[o1] = false
	port[o2] = false
end