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im-tomu / fomu-hardware

Tomu FPGA (Fomu for short), a FPGA which fits inside your USB port!
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Can flash the fomu with probes, without having the jig #5

Closed giomasce closed 5 years ago

giomasce commented 5 years ago

Hi, I managed to flash a fomu Hacker version (v0.0 is mentioned over it) without having a jig: I soldered seven little cables connecting to the Raspberry on a side and having a probe on the other. See the photos. It is not easy to get all the wires connected without the probes snapping away, but it is possible. The documentation might mention this possibility, as I think that many users could find it easier than printing a jig. Feel free to use my photos, if you want. The ground contact can also be reached from the button pads, which are probably less crowded and easier to reach. Thanks for this wonderful hacking gadget! img_20190129_104313 img_20190129_104353

mithro commented 5 years ago

That's pretty impressive! I don't think I could get probes to stay still long enough to successful flash!

mithro commented 5 years ago

Would be more than happy to merge a pull request showing how to do this method.

giomasce commented 5 years ago

Here it is! :-)

giomasce commented 5 years ago

https://github.com/im-tomu/fomu-hardware/pull/6