Category Archives: Technical

DC2N5-LC DIY kits available again

Posted on July 1, 2020 by

It’s been a long while, almost 3 years now, since I sold the last DC2N5-LC DIY kit. I am glad to confirm that kits are available again and I am going to also build a single fully cased device. For … Continue reading →

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More surprises with STM32 micro-controllers

Posted on June 27, 2020 by

It turns out that the STM32 micro-controllers I bought a few weeks ago (in order to replace the ones on “Blue pill” boards that can’t run firmware built for the STM32F103C8T6 micro-controller) are, in fact, re-branded CS32F103CBT6 micro-controllers. The funny … Continue reading →

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Yet another new feature in DC2N5-LC

Posted on June 26, 2020 by

Yet another change request was implemented in the DC2N5-LC firmware: users can now select the output folder for all dumping operations 🙂 Stay tuned!

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STM32 decapping results

Posted on June 24, 2020 by

As announced in a previous post, one of the STM32 micro-controllers from a “Blue pill” batch that I bought recently was sent to Finland for decapping. Well, Tommi received it, decapped it and took the following picture: This is clearly … Continue reading →

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New feature in DC2N5-LC

Posted on June 21, 2020 by

As requested by Rixa, the DC2N5-LC monitoring option now also lets users choose capture mode 🙂 Stay tuned for more!

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Yet another batch of blue pills with counterfeit MCU

Posted on June 18, 2020 by

Today I received another batch of 20 blue pill boards, and what do you know? The MCU is another fake. This time the fact the MCU is counterfeit can be easily spotted: The font used is too narrow, the first … Continue reading →

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DC2N5-LC teaser video

Posted on June 15, 2020 by

I think the new version of the DC2N5-LC firmware is coming along quite nicely 🙂 Stay tuned for more!

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STM32F10C8T6 module fixed after installing a genuine MCU

Posted on June 13, 2020 by

As I had received a handful STM32 MCUs, I managed to solder one on the “blue pill” board from which I had desoldered a fake/defective one. The new MCU seems to be working fine, having tested the DC2N5-LC firmware with … Continue reading →

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More shenanigans from the East

Posted on June 12, 2020 by

I had ordered a few STM32 MCUs to try and replace a few of the ones that are on the blue pill boards that are not working. Well, today I received such MCUs but I reckon they are in a … Continue reading →

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Quite a satisfying result for the day

Posted on June 9, 2020 by

I finally got the time to desolder the MCU from one of the STM32F103C8T6 boards I recently received. Here’s what the board looks like after the operation: The MCU will soon be on its way to Finland for de-capping, which … Continue reading →

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