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HDRカメラでメーターからAI自動検針

Spresense + HDR camera + W5500 build for meter reading: capture digits, run OCR on-device or via Drive+GAS, then notify — with wiring/SPI5 and SSL/DHCP tips.

matthew

Published October 28, 2025

166 UCC

9 WCC

47 VAR

1 Followers

1 Following

Original author: akino · JapanOriginal source (new tab)

HDRカメラでメーターからAI自動検針

Project description

Overview This project captures numeric utility meters (water/gas/electricity) with a Sony Spresense + HDR camera and performs AI digit recognition to auto-read the current value, then notifies via email/cloud. Networking is implemented over wired Ethernet using a W5500 add-on, and the author explores two recognition paths—Edge-AI on device and Cloud-AI via Google Drive + Google Apps Script (GAS)—to compare their trade-offs. (elchika) Original Language & Author The original article was published in Japanese on elchika on January 26, 2025. The author, akino, combines Spresense, an HDR camera…

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