Non-profit project is dedicated to sharing electronics engineering, digital and analog circuit design, metrology and calibration study, PCB layout, FPGA applications and firmware development for embedded systems and devices.

All data presented here is free for grabs and use, without any warranties. There is no login, registration, email forms or anything else needed to view publications and referenced files. You are free to share and copy content, if links to source pages are added. This way you support our efforts to keep everything online.

Have manual for test equipment gear or interesting project article which you wish to share for hosting here? Please, follow upload directions also has dedicated YouTube channel to share our experiments and project discussions.

Discussion about any projects and electronics related stuff is welcome in our own IRC chat server: (standard port 6667, channel:
Web-interface for access mirrored on this page, however we recommend to use standalone IRC-client of your preference for best experience.

Some key reviews, worklogs and product design articles


  • – Documentation resource for manuals, equipment photographs, component datasheets.
  • XE Toolkit – Electronics engineering toolkit, online calculators, tools and simulation helpers.