Media Summary: An improved version of that shown in TN076, now with 4-times more resolution, improved speed of analysis and an extra octave, ... In this project I use the Fast Fourier Transform algorithm to convert audio (in the time domain) back to its component frequency ... Have you ever tried to connect an SPI device and it did not work, well here are my experiences and solutions for getting them ...

Tech Note 077 Esp32 8 - Detailed Analysis & Overview

An improved version of that shown in TN076, now with 4-times more resolution, improved speed of analysis and an extra octave, ... In this project I use the Fast Fourier Transform algorithm to convert audio (in the time domain) back to its component frequency ... Have you ever tried to connect an SPI device and it did not work, well here are my experiences and solutions for getting them ...

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Tech Note 077 - ESP32 8-Octave Audio Spectrum Display
Tech Note 076 - ESP8266/ESP32 Audio Spectrum Analyser using FFT
ESP32 #8 with the Keypad Step by Step
Tech Note 064 - ESP32 How to Connect SPI Devices and Get Them Working
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Tech Note 077 - ESP32 8-Octave Audio Spectrum Display

Tech Note 077 - ESP32 8-Octave Audio Spectrum Display

An improved version of that shown in TN076, now with 4-times more resolution, improved speed of analysis and an extra octave, ...

Tech Note 076 - ESP8266/ESP32 Audio Spectrum Analyser using FFT

Tech Note 076 - ESP8266/ESP32 Audio Spectrum Analyser using FFT

In this project I use the Fast Fourier Transform algorithm to convert audio (in the time domain) back to its component frequency ...

ESP32 #8 with the Keypad Step by Step

ESP32 #8 with the Keypad Step by Step

I am using the ELEGOO Super Starter Kit

Tech Note 064 - ESP32 How to Connect SPI Devices and Get Them Working

Tech Note 064 - ESP32 How to Connect SPI Devices and Get Them Working

Have you ever tried to connect an SPI device and it did not work, well here are my experiences and solutions for getting them ...