Search found 3 matches

by boooleen
Fri May 13, 2022 4:12 pm
Forum: ESP-IDF
Topic: Inputting audio to an ESP32 from an INMP441 I2S microphone: success
Replies: 13
Views: 73552

Re: Inputting audio to an ESP32 from an INMP441 I2S microphone: success

I am using the SPH0690LM4H-1 Mems microphone with the esp32 development board. My objective is to amplify the voice received from the microphone using a the MAX 98357 amplifier and a standard 8 Ohm 1W speaker. Currently this is the code I have but I am not able to transmit anything to the output. #...
by boooleen
Fri May 13, 2022 10:53 am
Forum: ESP32 Arduino
Topic: voice amplifier
Replies: 2
Views: 2304

Re: voice amplifier

There is my shematic Image[/img]
by boooleen
Thu May 12, 2022 7:47 pm
Forum: ESP32 Arduino
Topic: voice amplifier
Replies: 2
Views: 2304

voice amplifier

Hello ! My project is to make a voice amplifier with a mic INMP441 and a speaker on a esp32 card. So I use the i2s protocol to collect the data from the mic and I convert the data to a 8-bits integer to send it to the DAC and then send it to the speaker (with a PAM8403 between). The problem is that ...