My Account Depending on the speed with which the SRAM data to the D / A are delivered, the original signal is reproduced with or without offset frequency spectrum. It's installed on system level so every application that uses microphone or other audio capture device will be affected. Refunds $47.99. I wish to change the output to 5 volt ( local mobile charging smps circuit are also available in market but they have very sort life, so do not want to use that ) I found your some article like https://homemade-circuits.com/2012/11/how-to-modify-smps-circuit.htmlbut SHUNT REGULATOR things are some difficult topic for me.Regards. This condition depends on the selected step by push-button switches S2 type (UP) and S3 (DOWN). More Buying Choices $125.00 (16 used & new offers) Ages: 8 years and up. I am really interested on this project and would like to see it work thank you, 4.7k preset in place of 5K is fine, the problem could be somewhere else, not sure exactly where….you can refer to the following datasheet and check if there's anything that you can include to improve your circuit or perhaps identify the fault, https://www.sparkfun.com/datasheets/Components/General/8950v110.pdf, I tried every way possible… at the final stage when I connected the 9v battery on the breadboard the speaker just kind of made a pumped sound then no response over and over again.. A voice changer software does exactly what the name implies. A simple online voice changer app to transform your voice and add effects. In accordance with a voice modulator technology from HOLTEK, this voice changer chip digitally processes the fed voice signal all the time. Track Your Order I am an electronic engineer (dipIETE ), hobbyist, inventor, schematic/PCB designer, manufacturer. changing the 12v zener to 15v will not burn any smps circuit, it might ahve happened due to some other fault, you can try it again with another board for confirmation. Or modify it even like a robot or a being from some  another planet? Your email address will not be published. It does this by shifting the frequency spectrum associated with the voice therewith, upwards or downwards in seven incremental steps and the resultant output is heard as relatively much thinner or thicker in its frequency. The second diagram is taken directly from the datasheet of the IC, and it should work without any issues….4.5V will be required otherwise the right side IC might not operate correctly…. 12 volt smps circuit are easily available at rs 30 and have 2 types of smps circuit which you explained, https://homemade-circuits.com/2012/05/cheapest-smps-circuit-using-mje13005.html, https://homemade-circuits.com/2013/10/12v-24v-1-amp-mosfet-smps-circuit.html, SMPS Circuit Using MJE13005 which I have is working very well and have more life in compare to the others. Get it as soon as Thu, Jan 14. I may changed 4148 to zenor diode as both looks same. Soldering required. Exchanges I tried to do same with 15volt zener and mine one got burned intently. Change your voice from male to female or vice versa. Security Order: 12 Pieces The frequency of the latter, which is about 512Khz, is determined by R2.After digitized voice signal is stored in a static RAM (SRAM), also controlled by the time base generator, a control circuit extracts information from the RAM and transferred to a latching register. Your email address will not be published. Live Sound Card V8 Voice Changer Dual DSP Noise Reduction Chip Audio Mixer Multiple Funny Effects for Phone Computer Game Ipad Karaoke Streamer Recording Black. Can I apply any zenor value like 5/6 and will it work to adjust the output ? In many occasions we are able to recognize the presence of someone in a group or in a social gathering by just hearing to his or her voice, without even seeing the individual. However under both the outputs the voice is fed to the IC through a standard electret microphone and the dimensioned output is reproduced through  a dynamic speaker. Once converted to its analog form, the speech signal is applied through C3 R8-network to a LM386 (IC2) amplifier, responsible for guiding the speaker (SPK1) and make it audible. The first feature amongst the two modifies your voice with more tremulous while the second influences it simulating a robot kind of voice. REMALL Bluetooth Sound Mixer Board for Live Streaming, Voice Changer Upgraded V8 Sound Card with Effects, Audio Mixer for Podcast Recording Singing for iPhone Cell Phone Computer Laptop Type C-V8A2. 4.1 out of 5 stars 71. But she and a bit of tech that costs less than dinner helped her owner just when she needed it most. Jan 13 the professionals accordance with a voice modulator technology from HOLTEK, this voice changer Handheld microphone changer. Her owner just when she needed it voice changer chip you to mask and recreate your from! 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