diff --git a/board_single/CMakeLists.txt b/board_single/CMakeLists.txt
index e827903..5cb41af 100644
--- a/board_single/CMakeLists.txt
+++ b/board_single/CMakeLists.txt
@@ -7,3 +7,6 @@ cmake_minimum_required(VERSION 3.5)
 include($ENV{IDF_PATH}/tools/cmake/project.cmake)
 set(EXTRA_COMPONENT_DIRS "../components ../common")
 project(armchair-singleBoard)
+
+# colored build output (errors, warnings...)
+idf_build_set_property(COMPILE_OPTIONS "-fdiagnostics-color=always" APPEND)
\ No newline at end of file
diff --git a/doc/MLX90333-Datasheet_IC-Stick-small.PDF b/doc/MLX90333-Datasheet_IC-Stick-small.PDF
new file mode 100644
index 0000000..f8968f1
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diff --git a/doc/MLX91204-Datasheet_IC-Stick-large.pdf b/doc/MLX91204-Datasheet_IC-Stick-large.pdf
new file mode 100644
index 0000000..1333194
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diff --git a/doc/schematic_custom-pcb.pdf b/doc/schematic_custom-pcb.pdf
new file mode 100644
index 0000000..398c4d5
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