diff --git a/components/i2c/aht21/definition.json b/components/i2c/aht21/definition.json
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+{
+    "vendor": "ASAIR",
+    "documentationURL": "http://www.aosong.com/en/products-60.html",
+    "displayName": "aht21",
+    "i2cAddresses": [ "0x38"],
+    "subcomponents": [ "ambient-temp", "ambient-temp-fahrenheit", "humidity"]
+}
diff --git a/components/i2c/aht21/image.jpg b/components/i2c/aht21/image.jpg
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