A43 150W고출력 정전압 스텝업 승압 DC컨버터 모듈  - 입력 전압 : 10V-32V - 출력 전압 : 12V -35V - 출력 전류 : 최대 6A  - 입력 전류 : 최대 10A
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전압 전류 미터  7000원 
디지털 전압, 전류미터 직류 0V~100V, 최대10A 측정기
http://www.11st.co.kr/product/SellerProductDetail.tmall?method=getSellerProductDetail&prdNo=1858023647

인버터  XL4015 DC2DC 전압강하 벅 스텝다운 모듈 5A 75W출력  2400
http://www.11st.co.kr/product/SellerProductDetail.tmall?method=getSellerProductDetail&prdNo=1512184243&cls=4044&trTypeCd=104
 
3.7V 리튬 보호형 충전모듈 (마이크로USB/TP4056E 1A)
http://www.11st.co.kr/product/SellerProductDetail.tmall?method=getSellerProductDetail&prdNo=1512184307&cls=4044&trTypeCd=104

XL6009E1 전압표시 다이얼 스텝업모듈 4A (5~35V출력) 8,200원
http://www.11st.co.kr/product/SellerProductDetail.tmall?method=getSellerProductDetail&prdNo=1774302511&cls=4044&trTypeCd=104

PAM8403 3W 2채널 볼륨내장형 미니 디지털앰프 5V용
http://www.11st.co.kr/product/SellerProductDetail.tmall?method=getSellerProductDetail&prdNo=1589012036&cls=4044&trTypeCd=104


LM2596 스텝다운 정전압 DC-DC 컨버터 1.25~35V출력₩1,300
http://www.11st.co.kr/product/SellerProductDetail.tmall?method=getSellerProductDetail&prdNo=1612268461&gclid=CjwKCAiAx_DwBRAfEiwA3vwZYiLd_dpWGbNRajr7jGnMAmpAehWx0HrddxvleB_sMV0W7SgpxqpHLRoCF4EQAvD_BwE&utm_term=&utm_campaign=%B1%B8%B1%DB%BC%EE%C7%CEPC+%C3%DF%B0%A1%C0%DB%BE%F7&utm_source=%B1%B8%B1%DB_PC_S_%BC%EE%C7%CE&utm_medium=%B0%CB%BB%F6
 
(PP-A492) LM2596 DC-DC가변형 스텝다운컨버터 고급형 1100원 ▶ 입력전압 : DC 3.2V ~ 40V (40V미만)  ▶ 출력전압 : DC 1.25V ~ 35V
http://www.11st.co.kr/product/SellerProductDetail.tmall?method=getSellerProductDetail&prdNo=2317737461&cls=4044&trTypeCd=104

[파츠키츠]LM2596S/가변정전압/스텝다운모듈/DC-DC컨버터/4~35V/강압/아두이노/자동차/LED튜닝/드라이버  730원
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Pioneer PL-1250 턴-테이블
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http://audiopub.co.kr/2017/08/23/pioneer-pl-1250-%ED%84%B4-%ED%85%8C%EC%9D%B4%EB%B8%94-%EC%88%98%EB%A6%AC-3-%EB%B0%B0%EC%84%A0%EA%B2%80%ED%86%A0/