# Case 01: Connect Scratch-Windows ## Goal Connect Scratch with Smart Coding Kit. ## Products Link 1 x [ELECFREAKS micro:bit Smart Coding Watch Kit](https://shop.elecfreaks.com/products/elecfreaks-micro-bit-smart-coding-watch-kit-without-micro-bit-board?_pos=2&_sid=ce4e7cb69&_ss=r) 1 x computer(support Bluetooth) ## Background ### What is Scratch ? [Scratch](https://en.wikipedia.org/wiki/Scratch) is a graphical programming tool developed by Lifelong Kindergarten Group from MIT, it suits for teenagers. ## Software Scratch online programming link: [https://scratch.mit.edu/projects/editor](https://scratch.mit.edu/projects/editor) Scratch software download: https://scratch.mit.edu/download](https://scratch.mit.edu/download) Both the software and the online version are acceptable, you can choose one. Scratch Link (Windows):[https://downloads.scratch.mit.edu/link/windows.zip](https://downloads.scratch.mit.edu/link/windows.zip) Scratch Link (macOS):[https://downloads.scratch.mit.edu/link/mac.zip](https://downloads.scratch.mit.edu/link/mac.zip) micro:bit firmware:[https://downloads.scratch.mit.edu/microbit/scratch-microbit-1.1.0.hex.zip](https://downloads.scratch.mit.edu/microbit/scratch-microbit-1.1.0.hex.zip) ## Connection Steps ### Step 1 Connect the micro:bit to your computer and send the prepared micro:bit firmware to the micro:bit. ![](./images/case_01_01.gif) Give power to micro:bit solely and the displaying characters on the micro:bit is the identification code for Bluetooth. ![](./images/case_01_02.gif) ### Step 2 Open Scratch Link and you will see an icon of it on the status bar. ![](./images/case_01_03.png) Open the Scratch coding software, choose micro:bit expansion after clicking `+` on the left bottom. ![](./images/case_01_04.png) ![](./images/case_01_07.png) Choose your micro:bit in the pop-up dialogue box. ![](./images/case_01_05.png) ![](./images/case_01_06.png) ## Complete If connection is completed, the yellow exclamation mark changes to a green check mark. Now you can code the micro:bit with Scratch! ![](./images/case_01_08.png) ## FAQ **Fail to connect Scratch** 1. The lowest operation system version is listed at the top of this page. 2. Only one copy of the scratch can be connected to the micro:bit. If you have open the Scratch in other browsers, please close all of them and re-try. 3. If there is another computer connecting to your micro:bit, please cut off the connection with another computer or yours, and re-try. 4. You might press the "reset" button between the USB connector and power supply connector on the back of the micro:bit while operating it, make sure your hands or feet be away from it! ## Relevant Files Scratch official connection files: [https://scratch.mit.edu/microbit](https://scratch.mit.edu/microbit) Scratch official website: [https://scratch.mit.edu](https://scratch.mit.edu)