diff --git a/trunk/Reference Drawings/3D PowerLock Handle.pdf b/trunk/Reference Drawings/3D PowerLock Handle.pdf
new file mode 100644
index 0000000..e55e9fd
Binary files /dev/null and b/trunk/Reference Drawings/3D PowerLock Handle.pdf differ
diff --git a/trunk/Reference Drawings/CB-connector spacing 20120210.pptx b/trunk/Reference Drawings/CB-connector spacing 20120210.pptx
new file mode 100644
index 0000000..f921cad
Binary files /dev/null and b/trunk/Reference Drawings/CB-connector spacing 20120210.pptx differ
diff --git a/trunk/Reference Drawings/Keypad and Tail.docx b/trunk/Reference Drawings/Keypad and Tail.docx
new file mode 100644
index 0000000..64149dd
Binary files /dev/null and b/trunk/Reference Drawings/Keypad and Tail.docx differ
diff --git a/trunk/Reference Drawings/Molex ZIF Socket (all pinouts).pdf b/trunk/Reference Drawings/Molex ZIF Socket (all pinouts).pdf
new file mode 100644
index 0000000..94ea08f
Binary files /dev/null and b/trunk/Reference Drawings/Molex ZIF Socket (all pinouts).pdf differ
diff --git a/trunk/Reference Drawings/concept_11_flex.pdf b/trunk/Reference Drawings/concept_11_flex.pdf
new file mode 100644
index 0000000..52e4fd7
Binary files /dev/null and b/trunk/Reference Drawings/concept_11_flex.pdf differ
diff --git a/trunk/Reference Drawings/concept_8a_cover.pdf b/trunk/Reference Drawings/concept_8a_cover.pdf
new file mode 100644
index 0000000..09b05b6
Binary files /dev/null and b/trunk/Reference Drawings/concept_8a_cover.pdf differ
diff --git a/trunk/Reference Drawings/pull_handle_pcb.pdf b/trunk/Reference Drawings/pull_handle_pcb.pdf
new file mode 100644
index 0000000..5ac052c
Binary files /dev/null and b/trunk/Reference Drawings/pull_handle_pcb.pdf differ