🔌 HiLetgo 5pcs Power Supply Module for MB102 Prototype Breadboard - 3.3V/5V, DC 6.5-12V or USB Power Supply Review

Immediately place each on a prototyping board to verify output voltages. All 5 tested normal at 3.3V and 5V, LED backlight and push ON push OFF switch operation (see photo). But 1 star deduction for the packaging. Several modules had (slightly) bent pins as the foam they are "mounted" on was a few millimeters smaller than it should be to accurately place and protect the pins. Using fine needle nose pliers I lined them up without breaking them and then inserted them correctly into the breadboard

So far I have used two of them in projects. I have successfully used 9v and 12v wall adapters. Provides an accurate and stable power supply for my Arduino Uno and Nano. It's nice to turn on/off PB on the device. I'll be testing the other three soon to see how they work. Update: I have now used all five with good results. No problem. >>> New update: 6 months later. New batch of 5 more pieces. 3 of them tested normal. The fourth power-on LED has been swapped. I managed to desolder the…

HiLetgo's five 3.3V/5V power supply modules seem pretty good for the price. One was disassembled and the other four had to be disassembled. Each of them completely broke their pair. The connector pins on the loose block had to be straightened to fit the breadboard. The other four were fine. The visual inspection of the modules showed that the processing is quite good. Surface mount parts are well matched to pads. The soldering flux remained on the contact pins. never mind In terms of accuracy…

I ordered them for a project. (20 total) Of the ones I ordered, 2 of these went through 12v instead of 5v or 3.3v. I also had two of these where the voltage jumpers were connected incorrectly because the pins were bent, so the output was for that side zero volts. After straightening the pins, they were fine. In terms of voltage, they were typically within 10 volts of the expected value, usually on the low side. So 4.93V instead of 5V or 3.22V instead of 3.3V. Also note that power regulators get

Five boards were joined together and secured in an anti-static bag with foam tape. There were no instructions, but using them is pretty intuitive - if only they worked. I connected the module to the breadboard, connected the 9V power supply and saw no sign of life. I thought there was a switch there so I put it in the locked position but nothing changed. I hooked up a multimeter and checked that the adapter is getting power, but there is no power at any of the outputs. I replaced the module…