Je vais développer le firmware IoT pour esp32, nrf, ble, prototype hardware

The support was exceptional. When we submitted the completed circuit board design and production files the manufacturer let us know there were specific parts not in stock. The necessary parts to complete the full assembly of the MVP were ordered and received with a quick delivery time.

I was very pleased and impressed by YiLin's subject matter expertise and knowledge regarding my proposed project. He was thorough and timely in delivering the proposal and the promised work. I felt very fortunate to have selected him for this project.

Excellent service. The project has been broken down into various stages and each stage has come together seamlessly. The overall project has progress smoothly and the outcomes have been very useful to our overall purpose. We are very content with the development effort.

YiLin was very exceptional and expert to the job. There was constant communication and the technical updates were very informative and well documented. I felt confident in the progress being made, and have all good things to say about the final outcome of the project. Great work.

Great work! I really appreciate the effort and commitment to the project. There is high attention to detail and the work is done quickly and efficiently. I am happy with the results so far, and look forward to the continuation of the project.