# flashtree FPM12 Optical Fingerprint Reader Sensor Module for Arduino Mega2560 UNO R3 — resale value

Source: JunkPal price guide — https://junkpal.ai/products/flashtree-fpm12-optical-fingerprint-reader-sensor-module-for-arduino-m-b07gd7z4t7

**flashtree FPM12 Optical Fingerprint Reader Sensor Module for Arduino Mega2560 UNO R3** sells for about **$19.99** new or sealed, based on real closed eBay sales.

Live listings and the full sold-price history are on the page: https://junkpal.ai/products/flashtree-fpm12-optical-fingerprint-reader-sensor-module-for-arduino-m-b07gd7z4t7

## Value

| Condition | Value (USD) |
| --- | --- |
| New / Sealed | $19.99 |

Values are medians of real closed eBay sales, updated 2026-07-21. They are estimates for reference, not offers or appraisals — condition, completeness and edition move them a lot, so compare against the sold listings before pricing anything.

## Check the market

- [Sold listings on eBay](https://junkpal.ai/api/go?to=https%3A%2F%2Fwww.ebay.com%2Fsch%2Fi.html%3F_nkw%3DFlashtree%2520FPM12%2520Optical%2520Fingerprint%2520Reader%2520Arduino%26LH_Sold%3D1%26LH_Complete%3D1%26mkcid%3D1%26mkrid%3D711-53200-19255-0%26siteid%3D0%26campid%3D5339166094%26toolid%3D10001%26mkevt%3D1%26customid%3Dmd-sold&p=md-sold) — the closed sales these medians are computed from
- [Live listings on eBay](https://junkpal.ai/api/go?to=https%3A%2F%2Fwww.ebay.com%2Fsch%2Fi.html%3F_nkw%3DFlashtree%2520FPM12%2520Optical%2520Fingerprint%2520Reader%2520Arduino%26mkcid%3D1%26mkrid%3D711-53200-19255-0%26siteid%3D0%26campid%3D5339166094%26toolid%3D10001%26mkevt%3D1%26customid%3Dmd-live&p=md-live) — what sellers are asking right now

eBay links are affiliate links: JunkPal may earn a commission at no cost to you.

## Details

| Field | Value |
| --- | --- |
| Brand | flashtree |
| Category | Computers |

## About

This is the flashtree FPM12 Optical Fingerprint Reader Sensor Module, designed for integration with microcontrollers such as Arduino Mega2560 and UNO R3.

It is sought after by hobbyists, makers, and developers building biometric authentication projects.

The resale value of this module is influenced by its operational condition and completeness.

## FAQ

**What is the flashtree FPM12 used for?**

It is an Optical Fingerprint Reader Sensor Module used for biometric authentication projects.

**Which Arduino boards is this module compatible with?**

This module is designed for use with Arduino Mega2560 and UNO R3.

**What affects the resale value of this sensor module?**

The resale value is determined by the module's operational condition and whether it is complete.

---

Full price guide: https://junkpal.ai/products/flashtree-fpm12-optical-fingerprint-reader-sensor-module-for-arduino-m-b07gd7z4t7
How these values are computed: https://junkpal.ai/methodology
Cite as: "JunkPal price guide value as of 2026-07-21, based on real sold listings (junkpal.ai)"