# ASR(Automatic Speech Recognition) Module(EF05037) ## Introduction It is able to control the device via your voice such as to give commands of moving forward, reversing and starting the line-tracking mode etc. ![](./images/05037_01.png) ## Products Link [ELECFREAKS PlanetX PIR Sensor](https://www.elecfreaks.com/planetx-pir.html) ## Characteristics Designed with RJ11 ports and easy to plug. ## Specification Item | Parameter :-: | :-: SKU|EF05037 Connection|RJ11 Connection Type|IIC Working Voltage|3.3V Core IC|SNR3512M ## Outlook and Dimension ![](./images/05037_02.png) ## Quick to Start ### Materials required and connections diagram Connect the ASR module to the IIC port and the motor fan to J1 port on Nezha expansion board. ![](./images/05037_03.png) ## MakeCode Programming ### Step 1 Click "Advanced" in the drawer of the MakeCode to see more choices. ![](./images/05001_04.png) We need to add a package for programming. Click "Extensions" in the bottom of the drawer and search with "PlanetX" in the dialogue box to download it. ![](./images/05001_05.png) ***Note:*** If you met a tip indicating that the codebase will be deleted due to incompatibility, you may continue as the tips say or build a new project in the menu. ### Available Commands of ASR Module ![](./images/05037_05.png) ### Step 2 ### Code as below ![](./images/05037_06.png) ### Link Link: [https://makecode.microbit.org/_9j8UEEYi82tF](https://makecode.microbit.org/_9j8UEEYi82tF) You may also download it directly below:
### Result The motor fan is controlled by the ASR module. ## Relevant File ## Technique File