> For the complete documentation index, see [llms.txt](https://sharinghub-eng.kittenbot.hk/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://sharinghub-eng.kittenbot.hk/educational-kit-sets/micro-bit-inventor-education-kit/micro-bit-inventor-kit-iot-upgrade/iot-safe.md).

# IoT Safe

![](https://kittenbothk.readthedocs.io/en/latest/_images/lock.png)

### Building Instructions

[Download Instructions](https://github.com/kittenbothk/kittenbothk/raw/master/Kits/classroom_inventor/iot_instructions/images/lock.pdf)

![](https://kittenbothk.readthedocs.io/en/latest/_images/lock_wire.png)

### Sample Program(MakerCloud)

{% embed url="<https://makecode.microbit.org/_PRwgraY2sUbv>" %}

[Sample Program](https://makecode.microbit.org/_PRwgraY2sUbv)

### MakerCloud Set Up

![](https://kittenbothk.readthedocs.io/en/latest/_images/lock_makercloud1.png)

![](https://kittenbothk.readthedocs.io/en/latest/_images/safe_makercloud2.png)

![](https://kittenbothk.readthedocs.io/en/latest/_images/safe_makercloud1.png)

![](https://kittenbothk.readthedocs.io/en/latest/_images/safe_makercloud3.png)

### Model Instructions

1. Fill in WiFi and MakerCloud credentials.
2. Fill in password in variable key.
3. Publish message of your password, the lock will open.
4. Publish message "CLOSE", the lock will be locked.