Take Baidu to Travel Through Time

I am a designer and I like to make some small inventions. My current job is to integrate front-end and back-end design and production, and I am currently traveling to the Ming Dynasty. Use his knowledge to benefit the people and strengthen the Han nation. All the inventions in the work have been carefully considered, including the production process, which can be verified. Including that all invention processes are real and can be implemented. The plot is real and there is no falsehood at all. Single female protagonist, technology flow, war, and positive energy.