# Adafruit 12-Key Capacitive Touch Sensor Breakout - MPR121 [ADA1982] — resale value

Source: JunkPal price guide — https://junkpal.ai/products/adafruit-12-key-capacitive-touch-sensor-breakout-mpr121-ada1982-b00sk8pvna

**Adafruit 12-Key Capacitive Touch Sensor Breakout - MPR121 [ADA1982]** sells for about **$10.98** 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/adafruit-12-key-capacitive-touch-sensor-breakout-mpr121-ada1982-b00sk8pvna

## Value

| Condition | Value (USD) |
| --- | --- |
| New / Sealed | $10.98 |

Values are medians of real closed eBay sales, updated 2026-07-17. 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%3DAdafruit%252012%2520Key%2520Capacitive%2520Touch%2520Sensor%2520Breakout%2520MPR121%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%3DAdafruit%252012%2520Key%2520Capacitive%2520Touch%2520Sensor%2520Breakout%2520MPR121%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 | Adafruit |
| Category | Computers |

## About

The Adafruit 12-Key Capacitive Touch Sensor Breakout, model MPR121 [ADA1982], is a specialized computer component designed for projects requiring capacitive touch input.

This module is sought after by makers, hobbyists, and engineers building interactive electronic devices.

Its resale value is influenced by the physical condition of the board, whether all components are present, and if it is an original or specific edition.

## FAQ

**What is the MPR121 [ADA1982]?**

It is an Adafruit 12-Key Capacitive Touch Sensor Breakout module used in computer and electronics projects.

**What factors affect its resale value?**

Resale value depends on the item's condition, completeness, and edition.

**Who typically buys this component?**

Makers, hobbyists, and engineers looking to add capacitive touch functionality to their projects are the primary buyers.

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Full price guide: https://junkpal.ai/products/adafruit-12-key-capacitive-touch-sensor-breakout-mpr121-ada1982-b00sk8pvna
How these values are computed: https://junkpal.ai/methodology
Cite as: "JunkPal price guide value as of 2026-07-17, based on real sold listings (junkpal.ai)"