diff --git a/hardware/arduino/i2c_dip/schematic/Schematic_Home-Assistant_Calibration-Jig_20190614181420.pdf b/hardware/arduino/i2c_dip/schematic/Schematic_Home-Assistant_Calibration-Jig_20190614181420.pdf new file mode 100644 index 0000000..234f884 Binary files /dev/null and b/hardware/arduino/i2c_dip/schematic/Schematic_Home-Assistant_Calibration-Jig_20190614181420.pdf differ diff --git a/hardware/arduino/i2c_dip/schematic/Schematic_Home-Assistant_Calibration-Jig_20190614181435.png b/hardware/arduino/i2c_dip/schematic/Schematic_Home-Assistant_Calibration-Jig_20190614181435.png new file mode 100644 index 0000000..4d1033e Binary files /dev/null and b/hardware/arduino/i2c_dip/schematic/Schematic_Home-Assistant_Calibration-Jig_20190614181435.png differ