diff --git a/README.md b/README.md
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--- a/README.md
+++ b/README.md
@@ -151,3 +151,5 @@ uart:
 
 * https://github.com/Frankkkkk/python-pylontech/blob/master/pylontech/pylontech.py
 * https://diysolarforum.com/threads/simple-seplos-bms-protocol-decode-bash-script.34993/
+* https://github.com/celsworth/lxp-pylon-utils/tree/master/lib/pylon/packet
+* https://github.com/meteosat007/solar-pylontech
diff --git a/docs/PYLON LFP Battery communication protocol - RS232 V2.8 20161216.pdf b/docs/PYLON LFP Battery communication protocol - RS232 V2.8 20161216.pdf
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diff --git a/docs/PYLON RS485-protocol-V3.3-20180821.pdf b/docs/PYLON RS485-protocol-V3.3-20180821.pdf
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