diff --git a/website/articles/2021-03-13 black magic.md b/website/articles/2021-03-13 black magic.md
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+# Creating your own JTAG debugger
+
+Black Magic Probe:
+https://paramaggarwal.medium.com/converting-an-stm32f103-board-to-a-black-magic-probe-c013cf2cc38c
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diff --git a/website/tutorials/03-nrf52.md b/website/tutorials/03-nrf52.md
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 # Getting started with NRF52
 
+Used hardware: nRF52840 Dongle
+
+https://www.nordicsemi.com/Software-and-tools/Development-Kits/nRF52840-Dongle/GetStarted
+
+https://www.nordicsemi.com/Software-and-Tools/Development-Tools/nRF-Connect-for-desktop
+
+https://infocenter.nordicsemi.com/index.jsp?topic=%2Fug_nc_programmer%2FUG%2Fnrf_connect_programmer%2Fncp_programming_dongle.html
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