Analog and audio

Hi, I followed X-NUCLEO-AMICAM1 QUICK START GUIDE. Nucleo-l4r5zi with X-nucleo-amicam1 has no audio output. Even rebuild project, but got two channels audio noise out. I tried two Nucleo-l4r5zi, but still same situation. Does anyone know about that?

How to drive STA350BW (X-NUCLEO-CCA01M1) from Raspberry Pi (or other) SBC

Hi,I'm trying to attach a RaspberryPi-like SBC to the STA350BW dev board. I have I2C working (bit-banged), and have also connected the I2S LRCLK, BCLK and DATA signals.However, looking at the documentation, it appears that a master clock (MCLK) is al...

AM looking for datasheet of ST Chip

Hi all, Can somebody support in getting datasheet of "324 ST MZCS903" which is a 14 - pin chip.Am unable to get from internet .Thanks in advance.Rohitrohit.kadecha@battrixx.com

I wanted to build the voice over BLE (Bluenrg1 chip). need to have two-way voice communication from the door bell. Can you guide how can i start. is that possible in Bluenrg1 chip ? what extra modules i need ?

In the datasheet of LF253, only the dc common mode rejection ration is presented, but I need to know how it changes with the frequency.

Low power voltage reference with NPN transistor

Hi,I'm looking for advise concerning a low power voltage reference using NPN transistor as following :Q2 is used as diode (with negative TC)Q3 is used as zener diode (with positive TC)This circuit create a temperature-compensated +6V reference.So my ...

how to read FDA801 DB Data?

i read the data sheet about FDA801 and try to read DB data , the data i read were all 0x00 ,But none of the speakers came through , i think there is something wrong in my process procedure . Here's how I tried it:May I ask if this process is correct?...

Regarding LM2901 datasheet: Why is there such a big difference of the typical ICC@(VCC=5V and Tamb=25°C) in table 3 and figure 3?

FDA903D Interface with NXP S32K148

I am trying to interface FDA903D EVK with S32K148 EVK, but not able to access I2C registers.Is there any sample code or Example code available that I can take as reference?

Kindly find the difference between the LM358DT in the following pictures.

Dear Sir/Madam,One is from mouser and the other is also from an authorised distributor. When used, it was found that LM358DT part from mouser was working properly and the part from the other distributor was not working properly. I wanted to know why ...