do wifi.setmode(wifi.SOFTAP) wifi.ap.config({ ssid = "test", pwd = "12345678" }) gpio.mode(1, gpio.OUTPUT) local srv = net.createServer(net.TCP) srv:listen(80, function(conn) conn:on("receive", function(client, request) local buf = "" local _, _, method, path, vars = string.find(request, "([A-Z]+) (.+)?(.+) HTTP") -- luacheck: no unused if (method == nil) then _, _, method, path = string.find(request, "([A-Z]+) (.+) HTTP") -- luacheck: no unused end local _GET = {} if (vars ~= nil) then for k, v in string.gmatch(vars, "(%w+)=(%w+)&*") do _GET[k] = v end end buf = buf .. "<!DOCTYPE html><html><body><h1>Hello, this is NodeMCU.</h1>" .. "<form src=\"/\">Turn PIN1 <select name=\"pin\" onchange=\"form.submit()\">" local _on, _off = "", "" if (_GET.pin == "ON") then _on = " selected=true" gpio.write(1, gpio.HIGH) elseif (_GET.pin == "OFF") then _off = " selected=\"true\"" gpio.write(1, gpio.LOW) end buf = buf .. "<option" .. _on .. ">ON</option><option" .. _off .. ">OFF</option></select></form></body></html>" client:send(buf) end) conn:on("sent", function(c) c:close() end) end) end