GDB errors with "PC register is not available" with pyOCD

March 29, 2022

When trying to load firmware with gdb it started throwing an error "PC register is not available"...

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Enaml-native android builds for Python updated to 3.10.2

March 13, 2022

Python 3.10.2 builds for android are now available via conda-mobile!

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Profiling python apps with KCachegrind

March 13, 2022

Short post on how to profile a python app using KCachegrind.

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Micropython ESP8266 Reflow Oven

March 05, 2022

A short post on my micropython PCB reflow oven...

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How to block HTTP3/QUIC

January 24, 2022

I've been seeing a lot about HTTP/3 lately and how great it is...

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Attempts to cut a solder paste stencil - Part 4

December 30, 2021

Finalizing my series of posts on cutting pcb solder paste stencils with a rotary engraver.

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Debugging python extension core dumps or segfaults in CI

December 28, 2021

If a python extension causes a segfault when running with CI it just stops abruptly with a Aborted (core dumped) message.

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Updating to gcc 11 on kde neon

December 22, 2021

The latest GCC releases are in the ppa:ubuntu-toolchain-r/test repo but add-apt-repository doesn't work on KDE neon...

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Variable distance chamfer in Opencascade

December 10, 2021

Opencascade provides an API to do variable radius fillets but unfortunately there is no way to do this with chamfers.

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eBay vs Carbide Tool Source milling cutters

November 12, 2021

I bought a pack of the cheapest HSS milling cutters off of eBay, and a set of 1/4" carbide mills from carbide tool source.

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