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Posted on January 12, 2018 at 12:26Hello Sir,We have used opamp ic LM358 in our audio project, which used for amplification of signal from mic to adc of microcontroller.Could you please verify the attached circuit, let me know if you have any commen...
Posted on July 24, 2017 at 15:03Greetings. I need to use the mp3 codec library specifically developed for STM micro-controllers for my audio project (mentioned on the ST website). Nevertheless, I neither found the library to download it nor was I ab...
Posted on January 05, 2018 at 00:52Hello,I'm sorry but I am new to the forum and have no experience with ARM platforms at all. I have just realized Arduino projects or other ones using SBC's like Raspberry, but for my upcoming project the STM32F4 mc...
Posted on December 22, 2017 at 08:22STD5N52U Does anyone know this one have 2 device heat sink? Attached is label photo and parts picture
Posted on November 28, 2017 at 12:11Hello,I have a question about the TS3022 dual comparators.The datasheet states an input bias current of 300nA max. over full temperature range.Compared to similar competitor parts this is almost two orders of magn...
Posted on December 04, 2017 at 12:03Hi All,I am using an SPDIF receiver, It has been connected to the STM32F401 I2S. The diagram is as bellow,SPDIF Receiver (I2S Master) -> STM32F401 (I2S slave Receiver DMA) -> STM32F401 (DAC DMA) -> STM32F401 anal...
Posted on November 21, 2017 at 12:55The original post was too long to process during our migration. Please click on the attachment to read the original post.
Posted on November 19, 2017 at 06:09hello!I am new to this forum.All of us, except the deaf, hear a wide variety of sounds. The most amazing thing I think is dolphins. They can not only make the sounds we hear, they can make and hear what we can no...
Posted on October 30, 2017 at 23:15I work (again) on USB Audio on STM boards. It works, I get the audio from PC to board (or vice versa), so far OK. FW works, example/demo code is helpful, no issues from a SW coding point of view.My issue is: How to...
Posted on September 23, 2017 at 21:13Hello ,I'm trying to connect Adafruit microphone using SAI of the STM32L4. This microphone uses I2S protocol, and delivers as output PCM 24 bits data,(The microphone includes Segma delta filter and a decimator wh...