DHT Lua ESP8266

dht.lua

function print_dht_data(pin)
  local status, temp, humi, temp_dec, humi_dec = dht.read(pin)
  if status == dht.OK then
    -- Integer firmware using this example.
    print(
      string.format(
        'DHT Temperature:%d.%03d - Humidity:%d.%03d\r\n',
        math.floor(temp),
        temp_dec,
        math.floor(humi),
        humi_dec
      )
    )
    -- Float firmware using this example.
    print('DHT Temperature: '.. temp .. '-' .. 'Humidity:' .. humi)
  elseif status == dht.ERROR_CHECKSUM  then
    print('DHT Checksum error.')
  elseif status == dht.ERROR_TIMEOUT then
    print('DHT Time out.')
  end
end