显示屏：
https://www.exp-tech.de/displays/lcd/7177/itead-studio-nextion-nx4827t043-4.3-tft-lcd-intelligent-touch-display

电池：
https://www.amazon.de/gp/product/B071D5QTHL/ref=oh\_aui\_search\_detailpage?ie=UTF8&psc=1

HC-12无线模块：
https://www.amazon.de/gp/product/B01LZWIY19/ref=oh\_aui\_detailpage\_o07\_s00?ie=UTF8&psc=1

滑动开关：
https://www.amazon.de/gp/product/B00OK9FAUW/ref=oh\_aui\_detailpage\_o03\_s00?ie=UTF8&psc=1

锂离子电池充电芯片：
https://www.amazon.de/gp/product/B015IK1YYC/ref=oh\_aui\_detailpage\_o00\_s00?ie=UTF8&psc=1

DC 升压稳压器 5V：
https://www.amazon.de/gp/product/B015D1A618/ref=oh\_aui\_detailpage\_o04\_s00?ie=UTF8&psc=1

处理器 ESP12：
https://www.amazon.de/gp/product/B01CCZY2SG/ref=oh\_aui\_search\_asin\_title?ie=UTF8&psc=1