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Questions tagged [signal-processing]

Use this tag if your question is related to signal processing techniques (within the Arduino's capability).

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Arduino audio frequency reader

I have a simple project for my arduino : light some leds when i send a certain frequency from my smartphone through the jack output . For example , I play a simple audio file generated with a ...
Sir's user avatar
  • 23
2 votes
1 answer

Arduino Cross Correlation?

How can I write lightweight cross correlation code for arduino? I couldnt find any solution. The measurement system contains an ultrasonic sensor and a servo that turns from 45 to 135 degree and ...
acs's user avatar
  • 235
1 vote
1 answer

Sending a character 'A' through blinking led

How do i code to send a character 'A' to the arduino through a blinking led? i am doing a project about data transmission. i really need help&some guide. Material used are arduino uno r3,...
Nyssa's user avatar
  • 15
1 vote
1 answer

MPU6050 Sending Bad values for Angular Velocity

The mpu gives me perfectly fine values for the yaw, pitch, and roll position of the chip, but when I use mpu.getRotation(&gx, &gy, &gz) to obtain the current angular velocity of the chip, ...
Ember's user avatar
  • 83
0 votes
1 answer

Advice on setting up a real-time audio equaliser

First time Arduino user here. We have a microphone set-up which feeds back loudly on particular frequencies and need an equalizer to (preferably automatically) detect spikes in particular frequency ...
mediocreCraig's user avatar