diff --git a/esp32/include/settings/peripherals_settings.h b/esp32/include/settings/peripherals_settings.h
index 6947b7a..a073196 100644
--- a/esp32/include/settings/peripherals_settings.h
+++ b/esp32/include/settings/peripherals_settings.h
@@ -15,7 +15,7 @@
 #define SCL_PIN SCL
 #endif
 #ifndef I2C_FREQUENCY
-#define I2C_FREQUENCY 1000000UL
+#define I2C_FREQUENCY 400000UL
 #endif
 
 class PinConfig {
diff --git a/esp32/src/peripherals/peripherals.cpp b/esp32/src/peripherals/peripherals.cpp
index 1b5b5c6..0240dec 100644
--- a/esp32/src/peripherals/peripherals.cpp
+++ b/esp32/src/peripherals/peripherals.cpp
@@ -70,6 +70,7 @@ void Peripherals::updatePins() {
 
     if (state().sda != -1 && state().scl != -1) {
         Wire.begin(state().sda, state().scl, state().frequency);
+        ESP_LOGI("Peripherals", "Starting Wire with SDA=%d, SCL=%d, FREQ=%d", state().sda, state().scl, state().frequency);
         i2c_active = true;
     }
 }