Karl Komierowski
Published © CC BY

Gauge Reader Using Spresense Camera

A simple demo showing how Spresense could be retrofitted on a maching to digitize a mechanical gauge by using the camera and image analysis.

IntermediateFull instructions provided2 hours749
Gauge Reader Using Spresense Camera

Things used in this project

Hardware components

Spresense boards (main & extension)
Sony Spresense boards (main & extension)
This project can be done by only using the Spresense Main board.
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Spresense camera board
Sony Spresense camera board
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TFT display 320x240 ILI9341
These can be found on Ebay for a few euros.
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Software apps and online services

Arduino IDE
Arduino IDE
Spresense package must be added.

Hand tools and fabrication machines

Laser cutter (generic)
Laser cutter (generic)
Laser cutter, or CNC router is nice to have to produce the rig but not necessary.
Premium Female/Male Extension Jumper Wires, 40 x 6" (150mm)
Premium Female/Male Extension Jumper Wires, 40 x 6" (150mm)
Jumper cables to connect the display to the Spresense main board.

Story

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Schematics

TFT and Spresense main board

TFT display connected to Spresense main board, using SPI 5.

Code

Spresense Smart meter code

Credits

Karl Komierowski

Karl Komierowski

5 projects • 3 followers

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