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 www.lyndonhill.com
ESP-01S Getting Started | Lyndon Hill
| | bert.org
Pressing YubiKeys | bertrand fan
1.4 parsecs away

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| | If you work in tech, you probably have a YubiKey. I have this one, the YubiKey 5C Nano:
| | bcarrigan.com
USB Business Card - Brian Carrigan
2.3 parsecs away

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| | The personal blog of Brian Carrigan, software and electronics engineer.
| | conoroneill.net
Using Low Code for Home IoT Automation ยท Cross Dominant
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| | Mixed laterality since 1968
| | ciesie.com
[Knowledge snippet] - STM32 bootloader
16.1 parsecs away

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| You programmed STM32 microcontroller using Nucleo or Discovery boards. That means you used Serial Wire Debug (SWD) for programming/debugging. Now, you are designing a PCB with a STM32 microcontroller on it, which means you have to be able to program it. One solution is uploading the code through a bootloader - a small piece of software, made by ST that has been saved in the protected (read-only) memory of the microcontroller.