I suggest you to use a microcontroller as a EEPROM programmer. First you need to find which type of EEPROM you have. If you have an I2C one, you need find a microcontroller with an I2C port. If it is SPI, you need to find a micro with a SPI port. I usually work with Atmel AT24C64, 64KB EEPROM with I...

With those all in one chips, you will hardly find an I2C (or SPI) interface to connect a microcontroller which can then feed raw PCM them. So those are not much attracted to electronic enthusiasts.

There are limitations in compilers. If you are using HITECH C, this is likely the issue. Mostly you will need their Professional version. If you are using HITECH C, you can ask this question in their forum and let us know as well. I never faced this kind of issue since I use a professional version.

Hey Deepak, This is nothing more than beeping. If you need more quality, you better use PWM to control the frequency. Have a look at the following circuit diagram. ex.PNG Instead of a piezo speaker, you can use a 8 Ohm speaker here. However with a simple arrangement as below, you can drive a piezo w...

This whole discussion was aiming at making a simple Musical door bell. It is definitely not good for any songs type playback. To playback such music, you will have to use a DAC (Digital-to-Analogue converter) chip such as CS4334. I have added a schematic at Making an MP3 player using STA013 & CS4334...

It is a common question asked over the net on how to make a good quality MP3 player. By using STA013 and CS4334 chips in combination can make this dream come true. Here is the schematics. 1.gif All you have to do is, find a microcontroller with I2C bus and write MP3 data directly over that. Rest wil...

Hmm , sounds like not enough experience in Analog and Power Electronics Right? No. I think for the circuit mentioned in the main topic, it is enough to have that LM amplifier. Besides we welcome all opinions here rather than only from experts. So it is really important to share ideas within the com...

LM386 circuit submitted by RKSK is a common one. You would add a 10K resistor in series with the 10uf cap in pin 1,8 to increase the gain from 20x to 200x (Without that you would only get a 20x amplification). However this amplifier is only good for driving a low power speaker from a sound effects m...

amp.gif Here is a simple and easy to build general purpose 120W Amplifier with TDA7293 IC for process sound system. This amplifier was have the input for a radio, TV, stereo or other line level device. It also has a phone input for a record player, guitar, microphone or other non-amplified source. ...

This small amplifier is constructed around the TDA2003 IC, capable of delivering 4Wrms at 4ohms. The TDA 2003 has improved performance with the same pin configuration as the TDA 2002. The additional features of TDA 2002, very low number of external components, ease of assembly, space and cost saving...