#!/usr/bin/lua
print("Content-type: text/html\nRefresh: 10\n\n")
print("<HTML><HEAD><TITLE>Temperature monitor</TITLE>")
print("</HEAD><BODY>The temperature is: ")
local f = io.open("/dev/ttyACM0", "r+")
f:write("quiet\n")
f:write("A0?\n")
print(f:read("*line")*100 .. "&deg;C.</BODY></HTML>")
f:close()
