MQTT Manual: http://en.yuanchengmokuai.com/uploads/image/20230408/20190408054931204.pdf
SDK Manual: http://en.yuanchengmokuai.com/uploads/image/20230408/20190408054751673.pdf
HJ8000 Web Configuration Software Manual: http://en.yuanchengmokuai.com/uploads/image/20230408/20190408054637277.pdf
HJ8400 Web Configuration Software Manual: http://en.yuanchengmokuai.com/uploads/image/20230408/20190408055029614.pdf
HJ8300 Web Configuration Software Manual: http://en.yuanchengmokuai.com/uploads/image/20230408/20190408054712871.pdf