This is a succinct account of my experience with the cheap electronic power supply module from China, “DC-DC Module 5-A/7-W (ERPC0575DC) XL4015.” I have used quite a few over the years and have to say ...

Given recent LED technology improvements and the drive toward greater energy efficiency, the LED lighting industry—including general illumination from commercial refrigeration to outdoor area lighting ...

You may have seen the Ruideng range of programmable power supply modules from China: small and relatively inexpensive switch-mode buck converters, with microprocessor control and a front panel ...

Most commercial DVM modules with an LCD readout are 9-V powered and based on an ICL7106 or similar A-D converter chip. These modules are typically used in laboratory power supplies and other test and ...