diff --git a/keyboards/handwired/onekey/sn32f240b/config.h b/keyboards/handwired/onekey/sn32f240b/config.h
new file mode 100644
index 000000000000..01b6a1141524
--- /dev/null
+++ b/keyboards/handwired/onekey/sn32f240b/config.h
@@ -0,0 +1,23 @@
+/* Copyright 2024 Dimitris Mantzouranis <d3xter93@gmail.com>
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+ 
+#pragma once
+
+#define I2C_DRIVER I2CD0
+#define I2C1_SCL_PIN A6
+#define I2C1_SDA_PIN A7
+#define I2C1_OPMODE OPMODE_I2C
+#define I2C1_CLOCK_SPEED 400000
\ No newline at end of file
diff --git a/keyboards/handwired/onekey/sn32f240b/mcuconf.h b/keyboards/handwired/onekey/sn32f240b/mcuconf.h
new file mode 100644
index 000000000000..5d79da961a36
--- /dev/null
+++ b/keyboards/handwired/onekey/sn32f240b/mcuconf.h
@@ -0,0 +1,19 @@
+/* Copyright 2024 Dimitris Mantzouranis <d3xter93@gmail.com>
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+#pragma once
+
+#define SN32_I2C_USE_I2C0 TRUE
+#include_next <mcuconf.h>
diff --git a/keyboards/handwired/onekey/sn32f260/config.h b/keyboards/handwired/onekey/sn32f260/config.h
new file mode 100644
index 000000000000..dd01a87b6c9f
--- /dev/null
+++ b/keyboards/handwired/onekey/sn32f260/config.h
@@ -0,0 +1,23 @@
+/* Copyright 2024 Dimitris Mantzouranis <d3xter93@gmail.com>
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+ 
+#pragma once
+
+#define I2C_DRIVER I2CD0
+#define I2C1_SCL_PIN A4
+#define I2C1_SDA_PIN A5
+#define I2C1_OPMODE OPMODE_I2C
+#define I2C1_CLOCK_SPEED 400000
\ No newline at end of file
diff --git a/keyboards/handwired/onekey/sn32f260/mcuconf.h b/keyboards/handwired/onekey/sn32f260/mcuconf.h
new file mode 100644
index 000000000000..5d79da961a36
--- /dev/null
+++ b/keyboards/handwired/onekey/sn32f260/mcuconf.h
@@ -0,0 +1,19 @@
+/* Copyright 2024 Dimitris Mantzouranis <d3xter93@gmail.com>
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+#pragma once
+
+#define SN32_I2C_USE_I2C0 TRUE
+#include_next <mcuconf.h>