diff --git a/docs/reference/pins/i2c-read-number.md b/docs/reference/pins/i2c-read-number.md
index bbd7df7b..973db55e 100644
--- a/docs/reference/pins/i2c-read-number.md
+++ b/docs/reference/pins/i2c-read-number.md
@@ -4,7 +4,7 @@ Read one number from the specified 7-bit I2C address, in the specified
 number format.
 
 ```sig
-pins.i2cReadNumber(0, NumberFormat.Int8LE);
+pins.i2cReadNumber(0, NumberFormat.Int8LE, false);
 ```
 
 ### Parameters
@@ -17,6 +17,7 @@ pins.i2cReadNumber(0, NumberFormat.Int8LE);
   * **Int** stands for "integer", and **UInt** stands for "unsigned integer".
   * **LE** stands for "little-endian" and **BE** stands for "big-endian".
   * The number in each format name stands for the number of bits in the format.
+* ``repeated`` repeated start, true - don't send stop at end
 
 ### Example
 
@@ -24,7 +25,7 @@ The following example reads a number in big-endian, 16-bit, unsigned integer
 format from the 7-bit I2C address `32`.
 
 ```blocks
-pins.i2cReadNumber(32, NumberFormat.UInt16BE);
+pins.i2cReadNumber(32, NumberFormat.UInt16BE, false);
 ```
 
 #### ~hint
diff --git a/docs/reference/pins/i2c-write-number.md b/docs/reference/pins/i2c-write-number.md
index b386b257..6158fc9e 100644
--- a/docs/reference/pins/i2c-write-number.md
+++ b/docs/reference/pins/i2c-write-number.md
@@ -4,7 +4,7 @@ Write the specified number to the specified 7-bit I2C address in the
 specified number format.
 
 ```sig
-pins.i2cWriteNumber(0, 0, NumberFormat.Int8LE);
+pins.i2cWriteNumber(0, 0, NumberFormat.Int8LE, true);
 ```
 
 ### Parameters
@@ -18,6 +18,7 @@ pins.i2cWriteNumber(0, 0, NumberFormat.Int8LE);
   * **Int** stands for "integer", and **UInt** stands for "unsigned integer".
   * **LE** stands for "little-endian" and **BE** stands for "big-endian".
   * The number in each format name stands for the number of bits in the format.
+* ``repeated`` repeated start, true - don't send stop at end
 
 ### Example
 
diff --git a/libs/core/_locales/core-strings.json b/libs/core/_locales/core-strings.json
index b254d3e7..cb5f38ea 100644
--- a/libs/core/_locales/core-strings.json
+++ b/libs/core/_locales/core-strings.json
@@ -250,8 +250,8 @@
   "pins.analogWritePin|block": "analog write|pin %name|to %value",
   "pins.digitalReadPin|block": "digital read|pin %name",
   "pins.digitalWritePin|block": "digital write|pin %name|to %value",
-  "pins.i2cReadNumber|block": "i2c read number|at address %address|of format %format=i2c_sizeof",
-  "pins.i2cWriteNumber|block": "i2c write number|at address %address|with value %value|of format %format=i2c_sizeof",
+  "pins.i2cReadNumber|block": "i2c read number|at address %address|of format %format=i2c_sizeof|repeated %repeat",
+  "pins.i2cWriteNumber|block": "i2c write number|at address %address|with value %value|of format %format=i2c_sizeof|repeated %repeat",
   "pins.map|block": "map %value|from low %fromLow|from high %fromHigh|to low %toLow|to high %toHigh",
   "pins.onPulsed|block": "on|pin %pin|pulsed %pulse",
   "pins.pulseDuration|block": "pulse duration (µs)",
diff --git a/libs/core/pins.ts b/libs/core/pins.ts
index a4027824..aee682d4 100644
--- a/libs/core/pins.ts
+++ b/libs/core/pins.ts
@@ -22,9 +22,9 @@ namespace pins {
      * Read one number from 7-bit I2C address.
      */
     //% help=pins/i2c-read-number blockGap=8 advanced=true
-    //% blockId=pins_i2c_readnumber block="i2c read number|at address %address|of format %format=i2c_sizeof" weight=7
-    export function i2cReadNumber(address: number, format: NumberFormat): number {
-        let buf = pins.i2cReadBuffer(address, pins.sizeOf(format))
+    //% blockId=pins_i2c_readnumber block="i2c read number|at address %address|of format %format=i2c_sizeof|repeated %repeat" weight=7
+    export function i2cReadNumber(address: number, format: NumberFormat, repeated?: boolean): number {
+        let buf = pins.i2cReadBuffer(address, pins.sizeOf(format), repeated)
         return buf.getNumber(format, 0)
     }
 
@@ -32,11 +32,11 @@ namespace pins {
      * Write one number to a 7-bit I2C address.
      */
     //% help=pins/i2c-write-number blockGap=8 advanced=true
-    //% blockId=i2c_writenumber block="i2c write number|at address %address|with value %value|of format %format=i2c_sizeof" weight=6
-    export function i2cWriteNumber(address: number, value: number, format: NumberFormat): void {
+    //% blockId=i2c_writenumber block="i2c write number|at address %address|with value %value|of format %format=i2c_sizeof|repeated %repeat" weight=6
+    export function i2cWriteNumber(address: number, value: number, format: NumberFormat, repeated?: boolean): void {
         let buf = createBuffer(pins.sizeOf(format))
         buf.setNumber(format, 0, value)
-        pins.i2cWriteBuffer(address, buf)
+        pins.i2cWriteBuffer(address, buf, repeated)
     }
 
     /**
diff --git a/tests/i2c.ts b/tests/i2c.ts
new file mode 100644
index 00000000..f106621f
--- /dev/null
+++ b/tests/i2c.ts
@@ -0,0 +1,6 @@
+
+let item = pins.i2cReadNumber(123, NumberFormat.Int8LE)
+pins.i2cWriteNumber(123, 0, NumberFormat.Int8LE)
+
+let item2 = pins.i2cReadNumber(123, NumberFormat.Int8LE, true)
+pins.i2cWriteNumber(123, 0, NumberFormat.Int8LE, true)