Karl Komierowski
Published © MIT

Spresense Audio Scope

Plot the audio recorded with Spresense on a TFT display.

IntermediateFull instructions provided2 hours2,547
Spresense Audio Scope

Things used in this project

Hardware components

1.8 inch ST7735R SPI 128*160 TFT LCD Display Module
A generic ST7735R display. You can find various variants of these displays on eBay. Adafruit sells one version which can be purchased at: https://www.adafruit.com/product/358
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Spresense boards (main & extension)
Sony Spresense boards (main & extension)
Main and extension board is used in this project.
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Male/Female Jumper Wires
Male/Female Jumper Wires
8 jumper wires will be needed to drive the TFT display from Spresense.
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Adafruit Electret Microphone - 20Hz-20KHz Omnidirectional
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Resistor 2.21k ohm
Resistor 2.21k ohm
Needed to be source a small biasing current to the electret microphone. https://developer.sony.com/develop/spresense/developer-tools/hardware-documentation#_how_to_use_microphones
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Software apps and online services

Arduino IDE
Arduino IDE
Sony Spresense board package for the Arduino IDE
If you already know how to add a new board to the board manager in the Arduino IDE add this link: https://github.com/sonydevworld/spresense-arduino-compatible/releases/download /generic/package_spresense_index.json
Sony Audio scope repo
The repository holding the source code for this project. Libraries and sketch.

Story

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Schematics

Schematic

The schematics for this project, including the board, TFT display and microphone.

Code

Spresense scope source repo

GitHub repo containing the source code for this project.

Credits

Karl Komierowski

Karl Komierowski

5 projects • 7 followers

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