rid = 1

input = "front"
output = "back"

local state = false
local modem = peripheral.find("modem")
modem.open(188)

local transmit = function()
	modem.transmit(188,188,{id = rid, state = state})
end

while true do
	local evt = {os.pullEvent()}
	if evt[1] == "redstone" then
		state = rs.getInput(input)
		transmit()
	elseif evt[1] == "modem_message" then
		local msg = evt[5]
		if type(msg) == "table" then
			if type(msg.id) == "number" and type(msg.state) == "boolean" then
				if msg.id == rid then
					rs.setOutput(output,msg.state)
				end
			end
		end
	end
end

--pastebin get sLkBMb4e wr