Compare LINE palm images and log Gemini health insights to Google Sheets

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Built by Hiroshi Hashimoto Hiroshi Hashimoto
Created on June 05, 2026

Description

AI Palm Health Tracker – Overview

This workflow receives palm images sent via LINE and provides AI-generated health insights.

Step-by-step process:
1.User sends a palm image via LINE
2.Webhook receives the image
3.Image is saved to Google Drive
4.Past records are checked in Google Sheets

If this is the first submission:
→ AI will perform a palm reading

If previous records exist:
→ Retrieve the latest saved image
→ Validate that two images are available
→ AI performs a comparison analysis

All results are saved in Google Sheets and sent back to the user via LINE.

Nodes Used (6)

Basic LLM Chain
@n8n/n8n-nodes-langchain.chainLlm
Code
n8n-nodes-base.code
Google Drive
n8n-nodes-base.googleDrive
Google Gemini Chat Model
@n8n/n8n-nodes-langchain.lmChatGoogleGemini
Google Sheets
n8n-nodes-base.googleSheets
HTTP Request
n8n-nodes-base.httpRequest