Video showing how easy You can build own multi voltage (including negative one) custom PSU using cheap china generic AC-DC modules from Hi-Link that came with variety voltages and power ratings - that's powering my Sprint 49 SMS programmer that is capable of writing Bipolar PROM memory chips (82S129).
![](https://s2.save4k.ru/pic/SOTd8zfVGTk/maxresdefault.jpg)