LiPo 충전 칩:
https://www.amazon.de/gp/product/B015IK1YYC/ref=oh\_aui\_detailpage\_o00\_s00?ie=UTF8&psc=1

4x20 LCD 디스플레이:
https://www.amazon.de/gp/product/B00MODAKM4/ref=oh\_aui\_detailpage\_o07\_s00?ie=UTF8&psc=1

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

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

배터리들:
https://www.amazon.de/gp/product/B013JP6808/ref=oh\_aui\_search\_detailpage?ie=UTF8&psc=1

테스터:
https://www.conrad.de/de/drucktaster-24-vdc-005-a-1-x-aus-ein-omron-b3f1055-tastend-1-st-439176.html

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

주 프로세서: Microchip PIC 18F46K20