diff --git a/modules/grove-i2c.yaml b/modules/grove-i2c.yaml
new file mode 100644
index 00000000..f6972562
--- /dev/null
+++ b/modules/grove-i2c.yaml
@@ -0,0 +1,9 @@
+i2c:
+  - id: grove_i2c
+    sda: GPIO1
+    scl: GPIO2
+
+switch:
+  - id: !extend grove_port_power
+    restore_mode: ALWAYS_ON
+    setup_priority: 1001
diff --git a/modules/m5stack-env-iv.yaml b/modules/m5stack-env-iv.yaml
new file mode 100644
index 00000000..282903b9
--- /dev/null
+++ b/modules/m5stack-env-iv.yaml
@@ -0,0 +1,15 @@
+sensor:
+  - platform: sht4x
+    i2c_id: grove_i2c
+    temperature:
+      name: Temperature
+    humidity:
+      name: Humidity
+
+  - platform: bmp280_i2c
+    i2c_id: grove_i2c
+    address: 0x76
+    temperature:
+      name: Temperature 2
+    pressure:
+      name: Pressure