diff --git a/doc_resources/nodes/hts221.pdf b/doc_resources/nodes/hts221.pdf new file mode 100644 index 0000000..ade7a26 Binary files /dev/null and b/doc_resources/nodes/hts221.pdf differ diff --git a/doc_resources/nodes/lps22hb-1.pdf b/doc_resources/nodes/lps22hb-1.pdf new file mode 100644 index 0000000..974454f Binary files /dev/null and b/doc_resources/nodes/lps22hb-1.pdf differ diff --git a/doc_resources/nodes/lps22hb.pdf b/doc_resources/nodes/lps22hb.pdf new file mode 100644 index 0000000..974454f Binary files /dev/null and b/doc_resources/nodes/lps22hb.pdf differ