diff --git a/devs/samples/testrig.ts b/devs/samples/testrig.ts
index 18629281ff..a5dc640af4 100644
--- a/devs/samples/testrig.ts
+++ b/devs/samples/testrig.ts
@@ -2,7 +2,7 @@ import * as ds from "@devicescript/core"
 import {
     SSD1306Driver,
     startBME680,
-    startCharacterScreen,
+    startCharacterScreenDisplay,
 } from "@devicescript/drivers"
 import { fetch } from "@devicescript/net"
 import {
@@ -27,7 +27,7 @@ const servo = startServo({ pin: pins.A2 })
 const potentiometer = startPotentiometer({ pin: pins.A0 })
 const buzzer = startBuzzer({ pin: pins.A1 })
 const { temperature, humidity, pressure } = await startBME680()
-const display = await startCharacterScreen(
+const display = await startCharacterScreenDisplay(
     new SSD1306Driver({ width: 64, height: 48 })
 )
 const btnA = new ds.Button()
diff --git a/packages/drivers/src/characterscreen.ts b/packages/drivers/src/characterscreendisplay.ts
similarity index 57%
rename from packages/drivers/src/characterscreen.ts
rename to packages/drivers/src/characterscreendisplay.ts
index 0484c6c73a..c7eaa81215 100644
--- a/packages/drivers/src/characterscreen.ts
+++ b/packages/drivers/src/characterscreendisplay.ts
@@ -6,62 +6,30 @@ import {
     CharacterScreenServerSpec,
     assert,
 } from "@devicescript/core"
-import { Image, fontForText, Font, Display } from "@devicescript/graphics"
+import { fontForText, Display } from "@devicescript/graphics"
 
 class CharacterScreenServer
     extends Server
     implements CharacterScreenServerSpec
 {
     private _message: string
-
-    private readonly _image: Image
-    private readonly _font: Font
-    private readonly _render: () => AsyncVoid
+    private readonly _render: (message: string) => AsyncVoid
     private readonly _columns: number
     private readonly _rows: number
-    /**
-     * Foreground color (palete index)
-     */
-    color = 1
-    // letter spacing
-    letterSpacing = 1
-    // line spacing
-    lineSpacing = 1
-    // outer margin
-    margin = 0
 
     constructor(
-        options: {
-            display: Display
-            font: Font
-        } & CharacterScreenOptions &
-            ServerOptions
+        render: (message: string) => AsyncVoid,
+        options: CharacterScreenOptions & ServerOptions
     ) {
         super(ds.CharacterScreen.spec, options)
-        this._image = options.display.image
-        this._font = options.font
-        this._render = options.display.show
+        this._render = render
         this._columns = options.columns
         this._rows = options.rows
 
-        if (this._columns === undefined)
-            this._columns = Math.floor(
-                (this._image.width - 2 * this.margin) /
-                    (this._font.charWidth + this.letterSpacing)
-            )
-        if (this._rows === undefined)
-            this._rows = Math.floor(
-                (this._image.height - 2 * this.margin) /
-                    (this._font.charHeight + this.lineSpacing)
-            )
-
         if (this._rows === undefined || this._columns === undefined)
             throw new Error("rows or columns is missing")
 
         this._message = ""
-
-        // clear screen
-        if (this._image) this._image.fill(0)
     }
 
     message() {
@@ -88,24 +56,68 @@ class CharacterScreenServer
 
     private async render() {
         assert(!!this._render)
+        await this._render(this._message)
+    }
+}
 
+export interface CharacterScreenOptions {
+    columns?: number
+    rows?: number
+}
+
+/**
+ * Starts a character screen server.
+ */
+export async function startCharacterScreen(
+    render: (message: string) => AsyncVoid,
+    options: CharacterScreenOptions & ServerOptions = {}
+) {
+    const server = new CharacterScreenServer(render, options)
+    return new CharacterScreen(startServer(server, options))
+}
+
+/**
+ * Starts a character screen server on a display.
+ */
+export async function startCharacterScreenDisplay(
+    display: Display,
+    options: CharacterScreenOptions & ServerOptions = {}
+) {
+    const color = 1
+    // letter spacing
+    const letterSpacing = 1
+    // line spacing
+    const lineSpacing = 1
+    // outer margin
+    const margin = 0
+
+    const font = fontForText("")
+    await display.init()
+    const image = display.image
+    await display.image.fill(0)
+
+    let columns = options.columns
+    if (columns === undefined)
+        columns = Math.floor(
+            (image.width - 2 * margin) / (font.charWidth + letterSpacing)
+        )
+    let rows = options.rows
+    if (rows === undefined)
+        rows = Math.floor(
+            (image.height - 2 * margin) / (font.charHeight + lineSpacing)
+        )
+
+    const render = async (message: string) => {
         // paint image
-        const img = this._image
+        const img = image
         const ctx = img.allocContext()
 
-        const columns = this._columns
-        const rows = this._rows
-        const message = this._message
-
-        const cw = this._font.charWidth
-        const ch = this._font.charHeight
-        const letterSpacing = this.letterSpacing
-        const lineSpacing = this.lineSpacing
-        const margin = this.margin
+        const cw = font.charWidth
+        const ch = font.charHeight
 
-        ctx.font = this._font
-        ctx.fillColor = this.color
-        ctx.strokeColor = this.color
+        ctx.font = font
+        ctx.fillColor = color
+        ctx.strokeColor = color
         ctx.clear()
         ctx.translate(margin, margin)
 
@@ -126,31 +138,8 @@ class CharacterScreenServer
         }
 
         // flush buffer
-        await this._render()
+        await display.show()
     }
-}
-
-export interface CharacterScreenOptions {
-    columns?: number
-    rows?: number
-}
 
-/**
- * Starts a character screen server on a display.
- */
-export async function startCharacterScreen(
-    display: Display,
-    options: CharacterScreenOptions & ServerOptions = {}
-) {
-    const font = fontForText("")
-
-    await display.init()
-
-    const server = new CharacterScreenServer({
-        display,
-        font,
-        ...options,
-    })
-
-    return new CharacterScreen(startServer(server, options))
+    return await startCharacterScreen(render, options)
 }
diff --git a/packages/drivers/src/grovergblcd.ts b/packages/drivers/src/grovergblcd.ts
new file mode 100644
index 0000000000..c0caa823a1
--- /dev/null
+++ b/packages/drivers/src/grovergblcd.ts
@@ -0,0 +1,182 @@
+import "@dsboard/seeed_xiao_esp32c3"
+import * as ds from "@devicescript/core"
+import { I2CDriver, startCharacterScreen } from "@devicescript/drivers"
+import { delay } from "@devicescript/core"
+
+// Device I2C Arress
+const LCD_ADDRESS = 0x7c >> 1
+const RGB_ADDRESS = 0xc4 >> 1
+const RGB_ADDRESS_V5 = 0x30
+
+// color define
+const WHITE = 0
+const RED = 1
+const GREEN = 2
+const BLUE = 3
+
+const REG_MODE1 = 0x00
+const REG_MODE2 = 0x01
+const REG_OUTPUT = 0x08
+
+// commands
+const LCD_CLEARDISPLAY = 0x01
+const LCD_RETURNHOME = 0x02
+const LCD_ENTRYMODESET = 0x04
+const LCD_DISPLAYCONTROL = 0x08
+const LCD_CURSORSHIFT = 0x10
+const LCD_FUNCTIONSET = 0x20
+const LCD_SETCGRAMADDR = 0x40
+const LCD_SETDDRAMADDR = 0x80
+
+// flags for display entry mode
+const LCD_ENTRYRIGHT = 0x00
+const LCD_ENTRYLEFT = 0x02
+const LCD_ENTRYSHIFTINCREMENT = 0x01
+const LCD_ENTRYSHIFTDECREMENT = 0x00
+
+// flags for display on/off control
+const LCD_DISPLAYON = 0x04
+const LCD_DISPLAYOFF = 0x00
+const LCD_CURSORON = 0x02
+const LCD_CURSOROFF = 0x00
+const LCD_BLINKON = 0x01
+const LCD_BLINKOFF = 0x00
+
+// flags for display/cursor shift
+const LCD_DISPLAYMOVE = 0x08
+const LCD_CURSORMOVE = 0x00
+const LCD_MOVERIGHT = 0x04
+const LCD_MOVELEFT = 0x00
+
+// flags for function set
+const LCD_8BITMODE = 0x10
+const LCD_4BITMODE = 0x00
+const LCD_2LINE = 0x08
+const LCD_1LINE = 0x00
+const LCD_5x10DOTS = 0x04
+const LCD_5x8DOTS = 0x00
+
+// https://wiki.seeedstudio.com/Grove-16x2_LCD_Series/#specification
+// converted from https://github.com/Seeed-Studio/Grove_LCD_RGB_Backlight/
+export class GroveRGBLCD extends I2CDriver {
+    readonly columns: number
+    readonly lines: number
+    readonly dotsize: number
+    private _displayfunction: number = 0
+    private _displaymode: number = 0
+    private _displaycontrol: number = 0
+    private _currline: number = 0
+
+    constructor(
+        readonly options: {
+            columns: number
+            rows: number
+            dotsize: number
+            devAddr?: number
+        }
+    ) {
+        super(options.devAddr || LCD_ADDRESS)
+        this.columns = options.columns
+        this.lines = options.rows
+        this.dotsize = options.dotsize
+    }
+
+    async initDriver(): Promise<void> {
+        if (this.lines > 1) {
+            this._displayfunction |= LCD_2LINE
+        }
+        this._currline = 0
+
+        // for some 1 line displays you can select a 10 pixel high font
+        if (this.dotsize !== 0 && this.lines === 1) {
+            this._displayfunction |= LCD_5x10DOTS
+        }
+
+        // SEE PAGE 45/46 FOR INITIALIZATION SPECIFICATION!
+        // according to datasheet, we need at least 40ms after power rises above 2.7V
+        // before sending commands. Arduino can turn on way befer 4.5V so we'll wait 50
+        // delayMicroseconds(50000);
+        await delay(5)
+
+        // this is according to the hitachi HD44780 datasheet
+        // page 45 figure 23
+
+        // Send function set command sequence
+        await this.command(LCD_FUNCTIONSET | this._displayfunction)
+        await delay(5) // wait more than 4.1ms
+
+        // second try
+        await this.command(LCD_FUNCTIONSET | this._displayfunction)
+        await delay(1)
+
+        // third go
+        await this.command(LCD_FUNCTIONSET | this._displayfunction)
+
+        // finally, set # lines, font size, etc.
+        await this.command(LCD_FUNCTIONSET | this._displayfunction)
+
+        // turn the display on with no cursor or blinking default
+        this._displaycontrol = LCD_DISPLAYON | LCD_CURSOROFF | LCD_BLINKOFF
+        await this.display()
+
+        // clear it off
+        await this.clear()
+
+        // Initialize to default text direction (for romance languages)
+        this._displaymode = LCD_ENTRYLEFT | LCD_ENTRYSHIFTDECREMENT
+        // set the entry mode
+        await this.command(LCD_ENTRYMODESET | this._displaymode)
+    }
+
+    private async command(value: number): Promise<void> {
+        await this.writeBuf(Buffer.from([0x80, value]))
+    }
+
+    private async display() {
+        this._displaycontrol |= LCD_DISPLAYON
+        await this.command(LCD_DISPLAYCONTROL | this._displaycontrol)
+    }
+
+    async clear() {
+        await this.command(LCD_CLEARDISPLAY) // clear display, set cursor position to zero
+        await delay(2) // this command takes a long time!
+    }
+
+    private async write(value: number) {
+        await this.writeBuf(Buffer.from([0x40, value]))
+    }
+
+    async render(message: string) {
+        await this.clear()
+        if (message?.length > 0)
+            for (let i = 0; i < message.length; ++i) {
+                await this.write(message.charCodeAt(i))
+            }
+    }
+}
+
+/**
+ * Driver for the Grove RGB LCD 16x2 display.
+ * @devsParts Grove RGB LCD 16x2
+ * @devsWhenUsed
+ */
+export async function startGroveRGBLCD16x2() {
+    const columns = 16
+    const rows = 2
+
+    let render: (message: string) => ds.AsyncVoid = undefined
+    if (!ds.isSimulator()) {
+        const lcd = new GroveRGBLCD({
+            columns,
+            rows,
+            dotsize: 0,
+            devAddr: LCD_ADDRESS,
+        })
+        await lcd.init()
+        render = async (message: string) => await lcd.render(message)
+    }
+    return await startCharacterScreen(render, {
+        columns,
+        rows,
+    })
+}
diff --git a/packages/drivers/src/index.ts b/packages/drivers/src/index.ts
index 9e2cc47305..891c5b2dfc 100644
--- a/packages/drivers/src/index.ts
+++ b/packages/drivers/src/index.ts
@@ -8,7 +8,7 @@ export * from "./aht20"
 export * from "./ltr390"
 export * from "./bme680"
 export * from "./ssd1306"
-export * from "./characterscreen"
+export * from "./characterscreendisplay"
 export * from "./indexedscreen"
 export * from "./dotmatrix"
 export * from "./st7735"
@@ -18,10 +18,12 @@ export * from "./ledserver"
 export * from "./accelerometer"
 export * from "./sh110x"
 export * from "./da213b"
+export * from "./grovergblcd"
 
 export * from "./esp32c3fh4rgb"
 export * from "./picobricks"
 export * from "./xiaoexpansionboard"
+export * from "./xiaogroveshield"
 export * from "./wavesharepicolcd114"
 export * from "./pimoronipicobadger"
 export * from "./kittenbotgrapebit"
diff --git a/packages/drivers/src/xiaoexpansionboard.ts b/packages/drivers/src/xiaoexpansionboard.ts
index 8669bccc76..3f265e3127 100644
--- a/packages/drivers/src/xiaoexpansionboard.ts
+++ b/packages/drivers/src/xiaoexpansionboard.ts
@@ -8,7 +8,7 @@ import { pins } from "@dsboard/seeed_xiao_esp32c3"
 
 /**
  *
- * Drivers for the {@link https://wiki.seeedstudio.com/Seeeduino-XIAO-Expansion-Board/ | Seeed Studio XIAO Expansion Board } for Raspberry Pi Pico.
+ * Drivers for the {@link https://wiki.seeedstudio.com/Seeeduino-XIAO-Expansion-Board/ | Seeed Studio XIAO Expansion Board }.
  *
  * @devsPart Seeed Studio XIAO Expansion Board
  * @devsWhenUsed
@@ -26,7 +26,7 @@ export class XiaoExpansionBoard {
 
     /**
      * Starts a server for the OLED display.
-     * @returns 
+     * @returns
      */
     async startDisplay() {
         const disp = new SSD1306Driver({
diff --git a/packages/drivers/src/xiaogroveshield.ts b/packages/drivers/src/xiaogroveshield.ts
new file mode 100644
index 0000000000..544894b7d5
--- /dev/null
+++ b/packages/drivers/src/xiaogroveshield.ts
@@ -0,0 +1,21 @@
+import { configureHardware } from "@devicescript/servers"
+import { pins } from "@dsboard/seeed_xiao_esp32c3"
+
+/**
+ *
+ * Drivers for the {@link https://www.seeedstudio.com/Grove-Shield-for-Seeeduino-XIAO-p-4621.html | Grove Shield for Seeed Studio XIAO } for Raspberry Pi Pico.
+ *
+ * @devsPart Grove Shield for Seeed Studio XIAO
+ * @devsWhenUsed
+ */
+export class XiaoGroveShield {
+    constructor() {
+        configureHardware({
+            i2c: {
+                pinSCL: pins.SCL_D5,
+                pinSDA: pins.SDA_D4,
+                kHz: 400,
+            },
+        })
+    }
+}
diff --git a/packages/sampleprj/src/maincharacterscreen.ts b/packages/sampleprj/src/maincharacterscreen.ts
index 0bd26985fa..aadbc25c9a 100644
--- a/packages/sampleprj/src/maincharacterscreen.ts
+++ b/packages/sampleprj/src/maincharacterscreen.ts
@@ -1,5 +1,8 @@
 import { pins, board } from "@dsboard/pico_w"
-import { SSD1306Driver, startCharacterScreen } from "@devicescript/drivers"
+import {
+    SSD1306Driver,
+    startCharacterScreenDisplay,
+} from "@devicescript/drivers"
 import { configureHardware } from "@devicescript/servers"
 import { delay } from "@devicescript/core"
 
@@ -11,7 +14,7 @@ configureHardware({
         kHz: 400,
     },
 })
-const screen = await startCharacterScreen(
+const screen = await startCharacterScreenDisplay(
     new SSD1306Driver({
         width: 128,
         height: 64,
diff --git a/packages/sampleprj/src/mainesp32characterscreen.ts b/packages/sampleprj/src/mainesp32characterscreen.ts
index b07cab3f09..330770b87c 100644
--- a/packages/sampleprj/src/mainesp32characterscreen.ts
+++ b/packages/sampleprj/src/mainesp32characterscreen.ts
@@ -1,8 +1,11 @@
 import { pins, board } from "@dsboard/seeed_xiao_esp32c3_msr218"
-import { SSD1306Driver, startCharacterScreen } from "@devicescript/drivers"
+import {
+    SSD1306Driver,
+    startCharacterScreenDisplay,
+} from "@devicescript/drivers"
 import "@devicescript/graphics"
 
-const screen = await startCharacterScreen(
+const screen = await startCharacterScreenDisplay(
     new SSD1306Driver({
         width: 128,
         height: 64,
diff --git a/packages/sampleprj/src/maingrovelcd16x2.ts b/packages/sampleprj/src/maingrovelcd16x2.ts
index 4b3b416127..d1386ddd8a 100644
--- a/packages/sampleprj/src/maingrovelcd16x2.ts
+++ b/packages/sampleprj/src/maingrovelcd16x2.ts
@@ -1,172 +1,16 @@
 import "@dsboard/seeed_xiao_esp32c3"
 import * as ds from "@devicescript/core"
-import { I2CDriver, XiaoExpansionBoard } from "@devicescript/drivers"
-import { delay } from "@devicescript/core"
-import { configureHardware } from "@devicescript/servers"
+import {
+    XiaoGroveShield,
+    startGroveRGBLCD16x2,
+    startBME680,
+} from "@devicescript/drivers"
 
-// Device I2C Arress
-const LCD_ADDRESS = 0x7c >> 1
-const RGB_ADDRESS = 0xc4 >> 1
-const RGB_ADDRESS_V5 = 0x30
+const board = new XiaoGroveShield()
 
-// color define
-const WHITE = 0
-const RED = 1
-const GREEN = 2
-const BLUE = 3
-
-const REG_MODE1 = 0x00
-const REG_MODE2 = 0x01
-const REG_OUTPUT = 0x08
-
-// commands
-const LCD_CLEARDISPLAY = 0x01
-const LCD_RETURNHOME = 0x02
-const LCD_ENTRYMODESET = 0x04
-const LCD_DISPLAYCONTROL = 0x08
-const LCD_CURSORSHIFT = 0x10
-const LCD_FUNCTIONSET = 0x20
-const LCD_SETCGRAMADDR = 0x40
-const LCD_SETDDRAMADDR = 0x80
-
-// flags for display entry mode
-const LCD_ENTRYRIGHT = 0x00
-const LCD_ENTRYLEFT = 0x02
-const LCD_ENTRYSHIFTINCREMENT = 0x01
-const LCD_ENTRYSHIFTDECREMENT = 0x00
-
-// flags for display on/off control
-const LCD_DISPLAYON = 0x04
-const LCD_DISPLAYOFF = 0x00
-const LCD_CURSORON = 0x02
-const LCD_CURSOROFF = 0x00
-const LCD_BLINKON = 0x01
-const LCD_BLINKOFF = 0x00
-
-// flags for display/cursor shift
-const LCD_DISPLAYMOVE = 0x08
-const LCD_CURSORMOVE = 0x00
-const LCD_MOVERIGHT = 0x04
-const LCD_MOVELEFT = 0x00
-
-// flags for function set
-const LCD_8BITMODE = 0x10
-const LCD_4BITMODE = 0x00
-const LCD_2LINE = 0x08
-const LCD_1LINE = 0x00
-const LCD_5x10DOTS = 0x04
-const LCD_5x8DOTS = 0x00
-
-// https://wiki.seeedstudio.com/Grove-16x2_LCD_Series/#specification
-// converted from https://github.com/Seeed-Studio/Grove_LCD_RGB_Backlight/
-class RGBLCD extends I2CDriver {
-    readonly columns: number
-    readonly lines: number
-    readonly dotsize: number
-    private _displayfunction: number = 0
-    private _displaymode: number = 0
-    private _displaycontrol: number = 0
-    private _currline: number = 0
-
-    constructor(
-        readonly options: {
-            columns: number
-            rows: number
-            dotsize: number
-            devAddr?: number
-        }
-    ) {
-        super(options.devAddr || LCD_ADDRESS)
-        this.columns = options.columns
-        this.lines = options.rows
-        this.dotsize = options.dotsize
-    }
-
-    async initDriver(): Promise<void> {
-        if (this.lines > 1) {
-            this._displayfunction |= LCD_2LINE
-        }
-        this._currline = 0
-
-        // for some 1 line displays you can select a 10 pixel high font
-        if (this.dotsize !== 0 && this.lines === 1) {
-            this._displayfunction |= LCD_5x10DOTS
-        }
-
-        // SEE PAGE 45/46 FOR INITIALIZATION SPECIFICATION!
-        // according to datasheet, we need at least 40ms after power rises above 2.7V
-        // before sending commands. Arduino can turn on way befer 4.5V so we'll wait 50
-        // delayMicroseconds(50000);
-        await delay(5)
-
-        // this is according to the hitachi HD44780 datasheet
-        // page 45 figure 23
-
-        // Send function set command sequence
-        await this.command(LCD_FUNCTIONSET | this._displayfunction)
-        await delay(5) // wait more than 4.1ms
-
-        // second try
-        await this.command(LCD_FUNCTIONSET | this._displayfunction)
-        await delay(1)
-
-        // third go
-        await this.command(LCD_FUNCTIONSET | this._displayfunction)
-
-        // finally, set # lines, font size, etc.
-        await this.command(LCD_FUNCTIONSET | this._displayfunction)
-
-        // turn the display on with no cursor or blinking default
-        this._displaycontrol = LCD_DISPLAYON | LCD_CURSOROFF | LCD_BLINKOFF
-        await this.display()
-
-        // clear it off
-        await this.clear()
-
-        // Initialize to default text direction (for romance languages)
-        this._displaymode = LCD_ENTRYLEFT | LCD_ENTRYSHIFTDECREMENT
-        // set the entry mode
-        await this.command(LCD_ENTRYMODESET | this._displaymode)
-    }
-
-    private async command(value: number): Promise<void> {
-        await this.writeBuf(Buffer.from([0x80, value]))
-    }
-
-    private async display() {
-        this._displaycontrol |= LCD_DISPLAYON
-        await this.command(LCD_DISPLAYCONTROL | this._displaycontrol)
-    }
-
-    async clear() {
-        await this.command(LCD_CLEARDISPLAY) // clear display, set cursor position to zero
-        await delay(2) // this command takes a long time!
-    }
-
-    private async write(value: number) {
-        await this.writeBuf(Buffer.from([0x40, value]))
-    }
-
-    async print(str: string) {
-        for (let i = 0; i < str.length; ++i) {
-            await this.write(str.charCodeAt(i))
-        }
-    }
-}
-
-const board = new XiaoExpansionBoard()
-
-console.log("start...")
-const lcd = new RGBLCD({
-    columns: 16,
-    rows: 2,
-    dotsize: 0,
-    devAddr: LCD_ADDRESS,
-})
-await lcd.init()
+const { temperature } = await startBME680()
+const lcd = await startGroveRGBLCD16x2()
 setInterval(async () => {
-    const t = ds.millis() + ""
-    console.log(t)
-    await lcd.clear()
-    await lcd.print(t)
+    const temp = Math.round(await temperature.reading.read())
+    await lcd.message.write(`temp: ${temp}C`)
 }, 1000)
diff --git a/packages/sampleprj/src/mainwroomssd1306.ts b/packages/sampleprj/src/mainwroomssd1306.ts
index f8dc2f1e1c..821ccc6621 100644
--- a/packages/sampleprj/src/mainwroomssd1306.ts
+++ b/packages/sampleprj/src/mainwroomssd1306.ts
@@ -1,5 +1,5 @@
 // https://github.com/microsoft/devicescript/issues/559
-import { SSD1306Driver, startCharacterScreen } from "@devicescript/drivers";
+import { SSD1306Driver, startCharacterScreenDisplay } from "@devicescript/drivers";
 import { configureHardware } from "@devicescript/servers";
 // https://microsoft.github.io/devicescript/devices/esp32/esp32-devkit-c
 import { pins } from "@dsboard/esp32_devkit_c";
@@ -15,5 +15,5 @@ configureHardware({
 // double check i2c addr
 const ssdDisplay = new SSD1306Driver({ height: 64, width: 128, devAddr: 0x3d })
 
-const characterScreen = await startCharacterScreen(ssdDisplay)
+const characterScreen = await startCharacterScreenDisplay(ssdDisplay)
 await characterScreen.message.write("Hello world!")
\ No newline at end of file
diff --git a/vscode/src/server-info.json b/vscode/src/server-info.json
index eede77a52b..d0429593e3 100644
--- a/vscode/src/server-info.json
+++ b/vscode/src/server-info.json
@@ -254,7 +254,7 @@
         },
         {
             "label": "Sensirion SHTC3",
-            "detail": "Start driver for Sensirion SHTC3 temperature/humidity sensor at I2C `0x70`.",
+            "detail": "Start driver for Sensirion SHTC3 temperature/humidity sensor at I2C `0x70`.\r",
             "startName": "startSHTC3",
             "classIdentifiers": [
                 337754823,
@@ -267,7 +267,7 @@
         },
         {
             "label": "Sensirion SHT30",
-            "detail": "Start driver for Sensirion SHT30 temperature/humidity sensor at I2C `0x44` or `0x45` (default is `0x44`)",
+            "detail": "Start driver for Sensirion SHT30 temperature/humidity sensor at I2C `0x44` or `0x45` (default is `0x44`)\r",
             "startName": "startSHT30",
             "classIdentifiers": [
                 337754823,
@@ -280,7 +280,7 @@
         },
         {
             "label": "AHT20",
-            "detail": "Start driver for AHT20 temperature/humidity sensor at I2C address `0x38`.",
+            "detail": "Start driver for AHT20 temperature/humidity sensor at I2C address `0x38`.\r",
             "startName": "startAHT20",
             "classIdentifiers": [
                 337754823,
@@ -293,7 +293,7 @@
         },
         {
             "label": "LITEON LTR-390UV-01",
-            "detail": "Start driver for LITEON LTR-390UV-01 UV/ambient light sensor at I2C address `0x53`.",
+            "detail": "Start driver for LITEON LTR-390UV-01 UV/ambient light sensor at I2C address `0x53`.\r",
             "startName": "startLTR390",
             "classIdentifiers": [
                 527306128,
@@ -306,7 +306,7 @@
         },
         {
             "label": "Bosch BME68",
-            "detail": "Start driver for Bosch BME680 temperature/humidity/pressure/gas sensor at I2C `0x76` (default) or `0x77`.",
+            "detail": "Start driver for Bosch BME680 temperature/humidity/pressure/gas sensor at I2C `0x76` (default) or `0x77`.\r",
             "startName": "startBME680",
             "classIdentifiers": [
                 337754823,
@@ -321,7 +321,7 @@
         },
         {
             "label": "Pico Bricks for Raspberry Pi Pico",
-            "detail": "Drivers for the {@link https://shop.robotistan.com/products/pico-bricks | Pico Bricks } shield for Raspberry Pi Pico ({@link https://github.com/Robotistan/PicoBricks/tree/main/Documents | datasheets}).",
+            "detail": "Drivers for the {@link https://shop.robotistan.com/products/pico-bricks | Pico Bricks } shield for Raspberry Pi Pico ({@link https://github.com/Robotistan/PicoBricks/tree/main/Documents | datasheets}).\r",
             "startName": "PicoBricks",
             "imports": {
                 "PicoBricks": "@devicescript/drivers"
@@ -330,16 +330,25 @@
         },
         {
             "label": "Seeed Studio XIAO Expansion Board",
-            "detail": "Drivers for the {@link https://wiki.seeedstudio.com/Seeeduino-XIAO-Expansion-Board/ | Seeed Studio XIAO Expansion Board } for Raspberry Pi Pico.",
+            "detail": "Drivers for the {@link https://wiki.seeedstudio.com/Seeeduino-XIAO-Expansion-Board/ | Seeed Studio XIAO Expansion Board }.\r",
             "startName": "XiaoExpansionBoard",
             "imports": {
                 "XiaoExpansionBoard": "@devicescript/drivers"
             },
             "snippet": "const shield = new XiaoExpansionBoard()\n"
         },
+        {
+            "label": "Grove Shield for Seeed Studio XIAO",
+            "detail": "Drivers for the {@link https://www.seeedstudio.com/Grove-Shield-for-Seeeduino-XIAO-p-4621.html | Grove Shield for Seeed Studio XIAO } for Raspberry Pi Pico.\r",
+            "startName": "XiaoGroveShield",
+            "imports": {
+                "XiaoGroveShield": "@devicescript/drivers"
+            },
+            "snippet": "const shield = new XiaoGroveShield()\n"
+        },
         {
             "label": "WaveShare Pico LCD114 for Raspberry Pi Pico",
-            "detail": "Driver for WaveShare Pico-LCD-1.14 inch.",
+            "detail": "Driver for WaveShare Pico-LCD-1.14 inch.\r",
             "startName": "WaveSharePicoLCD114",
             "imports": {
                 "WaveSharePicoLCD114": "@devicescript/drivers"
@@ -348,7 +357,7 @@
         },
         {
             "label": "Pimoroni Pico Badger",
-            "detail": "Support for Badger 2040 W (Pico W Aboard)",
+            "detail": "Support for Badger 2040 W (Pico W Aboard)\r",
             "startName": "PimoroniBadger2040W",
             "imports": {
                 "PimoroniBadger2040W": "@devicescript/drivers"
@@ -357,7 +366,7 @@
         },
         {
             "label": "KittenBot Grape:bit ESP32-C3",
-            "detail": "Support for KittenBot Grape:bit ESP32-C3",
+            "detail": "Support for KittenBot Grape:bit ESP32-C3\r",
             "startName": "KittenBotGrapeBit",
             "imports": {
                 "KittenBotGrapeBit": "@devicescript/drivers"
diff --git a/website/docs/api/drivers/aht20.mdx b/website/docs/api/drivers/aht20.md
similarity index 100%
rename from website/docs/api/drivers/aht20.mdx
rename to website/docs/api/drivers/aht20.md
diff --git a/website/docs/api/drivers/bme680.mdx b/website/docs/api/drivers/bme680.md
similarity index 100%
rename from website/docs/api/drivers/bme680.mdx
rename to website/docs/api/drivers/bme680.md
diff --git a/website/docs/api/drivers/grovergblcd16x2.mdx b/website/docs/api/drivers/grovergblcd16x2.mdx
new file mode 100644
index 0000000000..dda76f5776
--- /dev/null
+++ b/website/docs/api/drivers/grovergblcd16x2.mdx
@@ -0,0 +1,20 @@
+# Grove RGB LCD 16x2
+
+Driver for Grove RGB LCD 16x2 Character screen at address `0x3e`.
+
+-   Services: [character screen](/api/clients/characterscreen/)
+-   [Seeed Wiki](https://github.com/Seeed-Studio/Grove_LCD_RGB_Backlight/)
+
+## Usage
+
+```ts
+import { startGroveRGBLCD16x2 } from "@devicescript/drivers"
+const screen = await startGroveRGBLCD16x2()
+
+await screen.message.write(":)")
+```
+
+## Configuration
+
+-   Configure I2C throught the [board configuration](/developer/board-configuration)
+-   Check that you are using the correct I2C address
diff --git a/website/docs/developer/graphics/display.mdx b/website/docs/developer/graphics/display.mdx
index fa3789de07..2238368922 100644
--- a/website/docs/developer/graphics/display.mdx
+++ b/website/docs/developer/graphics/display.mdx
@@ -47,9 +47,12 @@ Using the service is compatible with the simulator.
 -   [Source](https://github.com/microsoft/devicescript/blob/main/packages/drivers/src/characterscreen.ts)
 
 ```ts
-import { SSD1306Driver, startCharacterScreen } from "@devicescript/drivers"
+import {
+    SSD1306Driver,
+    startCharacterScreenDisplay,
+} from "@devicescript/drivers"
 
-const screen = await startCharacterScreen(
+const screen = await startCharacterScreenDisplay(
     new SSD1306Driver({ width: 128, height: 64 })
 )
 await screen.message.write(`hello
diff --git a/website/docs/devices/shields/xiao-expansion-board.mdx b/website/docs/devices/shields/xiao-expansion-board.mdx
index 386e7aa1dc..3442caec51 100644
--- a/website/docs/devices/shields/xiao-expansion-board.mdx
+++ b/website/docs/devices/shields/xiao-expansion-board.mdx
@@ -18,10 +18,13 @@ click the **wand** icon on the file menu and
 select "Seeed Xiao ESP32-C3 Expansion board".
 
 ```ts
-import { XiaoExpansionBoard, startCharacterScreen } from "@devicescript/drivers"
+import {
+    XiaoExpansionBoard,
+    startCharacterScreenDisplay,
+} from "@devicescript/drivers"
 const shield = new XiaoExpansionBoard()
 
-const display = await startCharacterScreen(await shield.startDisplay())
+const display = await startCharacterScreenDisplay(await shield.startDisplay())
 const buzzer = await shield.startBuzzer()
 const button = await shield.startButton()
 ```
diff --git a/website/docs/devices/shields/xiao-grove-shield.mdx b/website/docs/devices/shields/xiao-grove-shield.mdx
new file mode 100644
index 0000000000..9479627437
--- /dev/null
+++ b/website/docs/devices/shields/xiao-grove-shield.mdx
@@ -0,0 +1,23 @@
+---
+title: Grove Shield for Seeed Studio XIAO ESP32-C3
+---
+
+# Grove Shield for Seeed Xiao ESP32-C3
+
+-   Device: [Seeed Xiao ESP32-C3](/devices/esp32/seeed-xiao-esp32c3) or [Adafruit QT Py C3](/devices/esp32/adafruit-qt-py-c3)
+-   [Home](https://www.seeedstudio.com/Grove-Shield-for-Seeeduino-XIAO-p-4621.html)
+
+![Photograph of shield](/img/shields/grove-shield-xiao.webp)
+
+## DeviceScript import
+
+You must import `XiaoGroveShield` to access the shield services.
+
+In [Visual Studio Code](/getting-started/vscode),
+click the **wand** icon on the file menu and
+select "Grove Shield for Seeed XIAO".
+
+```ts
+import { XiaoGroveShield } from "@devicescript/drivers"
+const shield = new XiaoGroveShield() // configure i2c
+```
diff --git a/website/docs/samples/weather-dashboard.mdx b/website/docs/samples/weather-dashboard.mdx
index fa0193eaaa..c9074d4abc 100644
--- a/website/docs/samples/weather-dashboard.mdx
+++ b/website/docs/samples/weather-dashboard.mdx
@@ -50,7 +50,6 @@ setInterval(async () => {
 }, 1000)
 ```
 
-
 ## Xiao + Expansion board + BME680
 
 The generic sample above can be specialized to run on a Xiao ESP32-C3 with expansion board.
@@ -58,17 +57,17 @@ The generic sample above can be specialized to run on a Xiao ESP32-C3 with expan
 ```ts
 import {
     XiaoExpansionBoard,
-    startCharacterScreen,
+    startCharacterScreenDisplay,
     startBME680,
 } from "@devicescript/drivers"
 import { ValueDashboard } from "@devicescript/runtime"
 
 const board = new XiaoExpansionBoard()
 const { temperature, humidity } = await startBME680({
-    address: 0x76
+    address: 0x76,
 })
 const display = await board.startDisplay()
-const screen = await startCharacterScreen(display)
+const screen = await startCharacterScreenDisplay(display)
 
 const dashboard = new ValueDashboard(screen, {
     temperature: { digits: 1, unit: "C" },
@@ -80,4 +79,5 @@ setInterval(async () => {
     dashboard.values.humi = await humidity.reading.read()
     await dashboard.show()
 }, 1000)
-```
\ No newline at end of file
+```
+ 
\ No newline at end of file
diff --git a/website/docs/samples/weather-display.mdx b/website/docs/samples/weather-display.mdx
index 3e753ccef4..cbf4a08ee9 100644
--- a/website/docs/samples/weather-display.mdx
+++ b/website/docs/samples/weather-display.mdx
@@ -25,9 +25,12 @@ Let's start by mounting a `sensor` client and logging each sensor reading to the
 
 ```tsx
 import { startSHT30 } from "@devicescript/drivers"
-import { SSD1306Driver, startCharacterScreen } from "@devicescript/drivers"
+import {
+    SSD1306Driver,
+    startCharacterScreenDisplay,
+} from "@devicescript/drivers"
 
-const screen = await startCharacterScreen(
+const screen = await startCharacterScreenDisplay(
     new SSD1306Driver({ width: 128, height: 64 })
 )
 const { temperature, humidity } = await startSHT30()
diff --git a/website/static/img/shields/grove-shield-xiao.webp b/website/static/img/shields/grove-shield-xiao.webp
new file mode 100644
index 0000000000..d495db6657
Binary files /dev/null and b/website/static/img/shields/grove-shield-xiao.webp differ