DC-DC 10W isolated converter
https://ko.aliexpress.com/item/4001049113609.html https://ko.aliexpress.com/item/4001084805134.html (6,309 ~ 7,225)
https://ko.aliexpress.com/item/4001049113609.html https://ko.aliexpress.com/item/4001084805134.html (6,309 ~ 7,225)