#the4thLichuangcompetition#Open source-XL4016 step-down board

Note: * is required.

[Please fill in during the registration stage↓]   Briefly introduce the work: XL4016 step-down board [Please fill in during the competition stage↓]   1. Details of the work; /R9 changes.   2. Describe the challenges faced by the work and the problems solved; The winding of the inductor uses 27015 inductor.   3. Describe the key points involved in the hardware and software parts of the work; When welding the output electrolytic capacitor, be careful not to short-circuit the positive and negative electrodes.   4. List of materials for the work; Detailed BOM is in the project attachment   5. Upload the picture of the work; (The competition logo must be on the PCB and take a photo and upload it. If not, it will be deemed as giving up the competition) * 6. Demonstrate your work and record it as a video for upload; (Video The content must include: introduction of the work; functional demonstration; performance test; close-up shot of the competition logo on the PCB. Failure to do so will be deemed as giving up the competition) Video link: https://v.youku.com/v_show/id_XNDMzODM2MjA2NA==.html?spm= a2h0j.11185381.listitem_page1.5~A 7. Open source documents. https://lceda.cn/editor#id=|d1dada2349fc4494867e7e846eef9e5b|4692273efbcf485c9844122d1066a9ff