15W USB 5V 3A DC Buck Voltage Step-down Module 9V 12V 24V Input DIY Car Charger
Mar 03, 2021
Nice USB power
Tested good. Arrived quickly. One CAUTION, most items that are rated for 3 Amperes, deliver about 1.5 A.
LM317 DC-DC Buck Step Down Converter 5V-40V To 1.2V-37V Linear Voltage Regulator
Jun 22, 2018
O k
Works fine. If V in - V out 15, or current is 0.25 A, add fan or more heat sink.
DC 0-50mA Current Testing Analog Panel Meter Amperemeter Gague
May 18, 2016
Accurate analog millammeter
zero adjust works, works smoothly and is accurate plus large enough for old eyes, should be within .75 mA in the center two thirds of the scale. Often, digital meters are annoying, indecisive, slow and the digits do not mean more accurate.