diff --git a/README.md b/README.md
index 62edd4d..7be096a 100644
--- a/README.md
+++ b/README.md
@@ -25,11 +25,12 @@ blink();
 ### I<sup>2</sup>C Example
 
 ```js
-const { adt7410 } = require("megabit");
+const { sht30 } = require("megabit");
 
 async function measure() {
-  const temperature = await adt7410().read();
-  console.log(`Temperature: ${temperature} ℃`);
+  const { humidity, temperature } = await sht30().read();
+  console.log(`Humidity: ${humidity.toFixed(2)}%`);
+  console.log(`Temperature: ${temperature.toFixed(2)} ℃`);
 }
 
 measure();
@@ -51,6 +52,7 @@ measure();
 | PAJ7620  | Gesture Recognition Sensor                   | [paj7620](https://kou029w.github.io/megabit/globals.html#paj7620)   |
 | PCA9685  | 16-Channel 12-Bit PWM/Servo Driver           | [pca9685](https://kou029w.github.io/megabit/globals.html#pca9685)   |
 | S11059   | Color Sensor                                 | [s11059](https://kou029w.github.io/megabit/globals.html#s11059)     |
+| SHT30    | Humidity and Temperature Sensor              | [sht30](https://kou029w.github.io/megabit/globals.html#sht30)       |
 | SSD1306  | 128x64 Dot Matrix OLED                       | [ssd1306](https://kou029w.github.io/megabit/globals.html#ssd1306)   |
 | SSD1308  | 128x64 Dot Matrix OLED                       | [ssd1308](https://kou029w.github.io/megabit/globals.html#ssd1308)   |
 | TSL2561  | Ambient Light Sensor                         | [tsl2561](https://kou029w.github.io/megabit/globals.html#tsl2561)   |
diff --git a/package.json b/package.json
index 4acff34..363ac53 100644
--- a/package.json
+++ b/package.json
@@ -29,6 +29,7 @@
     "@chirimen/grove-touch": "~1",
     "@chirimen/pca9685": "~1",
     "@chirimen/s11059": "~1",
+    "@chirimen/sht30": "~1",
     "@chirimen/veml6070": "~1",
     "@chirimen/vl53l0x": "~1",
     "node-web-gpio": "~1",
diff --git a/src/Device.ts b/src/Device.ts
index a201611..802b82c 100644
--- a/src/Device.ts
+++ b/src/Device.ts
@@ -1,6 +1,4 @@
-export interface ReadableDevice<
-  T extends boolean | number | string | boolean[] | number[]
-> {
+export interface ReadableDevice<T> {
   read(): Promise<T>;
 }
 
diff --git a/src/index.ts b/src/index.ts
index 62ecf8b..3a393da 100644
--- a/src/index.ts
+++ b/src/index.ts
@@ -17,6 +17,7 @@ export { default as mpr121 } from "./mpr121";
 export { default as paj7620 } from "./paj7620";
 export { default as pca9685 } from "./pca9685";
 export { default as s11059 } from "./s11059";
+export { default as sht30 } from "./sht30";
 export { default as ssd1308 } from "./ssd1308";
 export { default as tsl2561 } from "./tsl2561";
 export { default as veml6070 } from "./veml6070";
diff --git a/src/sht30.ts b/src/sht30.ts
new file mode 100644
index 0000000..05bf77b
--- /dev/null
+++ b/src/sht30.ts
@@ -0,0 +1,31 @@
+import Device from "@chirimen/sht30";
+import { ReadableDevice } from "./Device";
+import { I2C, i2c } from "./i2c";
+
+/** @type Humidity (%) */
+type Humidity = number;
+
+/** @type Temperature (°C) */
+type Temperature = number;
+
+/** @type Values */
+type Values = {
+  humidity: Humidity;
+  temperature: Temperature;
+};
+
+export function sht30(
+  bus: I2C = i2c(),
+  address: number = 0x44
+): ReadableDevice<Values> {
+  const device = new Device(bus, address);
+
+  return {
+    async read(): Promise<Values> {
+      if (device.i2cSlave == null) await device.init();
+      return await device.readData();
+    },
+  };
+}
+
+export default sht30;
diff --git a/yarn.lock b/yarn.lock
index 11ab1b1..b170f0f 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -52,6 +52,11 @@
   resolved "https://registry.yarnpkg.com/@chirimen/s11059/-/s11059-1.0.2.tgz#d27e1d205975296e28348fc5d8c17a573d23364d"
   integrity sha512-qj9Vp9pxEsL5XF1bM374xAWIpDJFnM3kx03UZnkZzHI76RG03+ghoh6iNu8eicy2fM55LIForUV+ZQDNcqOy1A==
 
+"@chirimen/sht30@~1":
+  version "1.0.3"
+  resolved "https://registry.yarnpkg.com/@chirimen/sht30/-/sht30-1.0.3.tgz#e401ded73d3d70f936ac90f5b67ebfde01975682"
+  integrity sha512-S6LUFYjSdIPSaK8RukEYD+UKS4yKpiFfMbUK9m9Phbsa704SQAvo+bUtbPqJko+XZX8lADXr12BdEW8QrLl+Qw==
+
 "@chirimen/veml6070@~1":
   version "1.0.0"
   resolved "https://registry.yarnpkg.com/@chirimen/veml6070/-/veml6070-1.0.0.tgz#407fdef1f1a6017196879b90fad8858eb20ad33a"