HM – Self-contained stand alone speech recognition circuit, User Programmable through keys. 2 No’s of 7-Segment Display (To Display Voice Recognize. The heart of the circuit is the HM speech recognition IC. AVR SELF LEARNING KIT–Interfacing 16 x 2 LCD in 8 bit ModeIn “AVR. Model #: Product’s Page: Speech Recognition System based on HM The speech recognition system.

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Voice Recognition board HM – How to control a motor using voice commands | alselectro

Provide a separate 12v DC power source to L board. This L can drive 2 motors at a time. Functioning of L can be understood from this post.

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Take care to avoid using this board in Noisy places. It is not necessary to train all word spaces.


Notify me of new comments via email. In the training process user trains the IC by speaking words into the microphone and. RoboticsUncategorized — 1 Comment. The 8 bit data is passed through an octal latch IC 74HC You are commenting using your Twitter account.


Training Words for Recognition: This 8 bit data can be directly connected to a port of Microcontroller for further action.

The speehc of the circuit is the HM speech recognition IC. Let us test the board by connecting to a Motor through a motor driver board L As the RAM is volatilea 3v button battery is used to backup stored data. To stop the motor decimal 08 is assigned. Speech samples are acquired by a Microphone on board. Motor Control by Voice Recognition.

Say the target word into the onboard microphone near LED clearly. Before starting the training process we can erase the previous memory.

By continuing to use this website, you agree to their use. Check out the table below to see how to achieve a number for a Word. To display the command numbers 2 common cathode 7 segment displays are provided.

To find out more, including how to control cookies, see here: A 12v adapter can be used as a power source, as the board has inbuilt 5v regulator with heat sink. An 8 kB external RAM is needed to store data. You are commenting using your Facebook account. Take a look around and grab the RSS reccognition to stay updated. The board requires 5v Hm207 supply.


Leave a Reply Cancel reply Enter your comment here If the system has to work under noisy environments, background noise may corrupt the original data and leads to malfunctioning.

HM Speech Recognition Kit

The IC can recognize 20 words, each word a length of 1. In the training process user trains the IC by speaking words into the microphone and assigning a particular value for that word. It is used in Robotics to control motors according to voice gecognition. Email required Address never made public. You are commenting using your WordPress. This can then be later connected to a microcontroller for further functions.