# Adafruit AT42QT1070 5-Pad Touch Sensor

> Adafruit 1362 standalone 5-pad capacitive touch breakout: Microchip AT42QT1070 senses up to 5 wired conductive pads (channel 0 can act as a guard key) and drives 5 active-low outputs with LEDs — no microcontroller needed; 1.8–5.5 V supply, 0.9 × 1.0 in board with four mounting holes.

- Manufacturer: Adafruit Industries
- Part number: 1362
- Category: Tactile & touch sensors
- Canonical page: https://www.xirkit.io/products/adafruit-at42qt1070-5-pad-touch-sensor-a70d
- Pinout: https://www.xirkit.io/products/adafruit-at42qt1070-5-pad-touch-sensor-a70d/pinout
- Structured JSON: https://www.xirkit.io/products/adafruit-at42qt1070-5-pad-touch-sensor-a70d/data.json
- Source: Xirkit structured parts catalog — every value traced to a cited document; unknowns are explicit.

## Key specifications

| Property | Value |
| --- | --- |
| Sensing | capacitive |
| Active area shape | electrodes |
| Touch channels | 5 |
| Output | 5 digital outputs, active low while touched |
| Interface | digital |
| Supply voltage | 1.8–5.5 V |
| Dimensions | 25.4 × 22.86 × 1.6 mm |

## Pinout (12 pins, 0 with electrical limits)

| Pin | Position | Kind | Chip pad | Functions | VIH | VIL | VOH | VOL | IOH | IOL | 5 V tolerant |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| GND | — | ground | — | ground | — | — | — | — | — | — | — |
| VDD | — | power in | — | power_in | — | — | — | — | — | — | — |
| IN0 | — | other | — | in0 | — | — | — | — | — | — | — |
| IN1 | — | other | — | in1 | — | — | — | — | — | — | — |
| IN2 | — | other | — | in2 | — | — | — | — | — | — | — |
| IN3 | — | other | — | in3 | — | — | — | — | — | — | — |
| IN4 | — | other | — | in4 | — | — | — | — | — | — | — |
| OUT0 | — | output | — | out0 | — | — | — | — | — | — | — |
| OUT1 | — | output | — | out1 | — | — | — | — | — | — | — |
| OUT2 | — | output | — | out2 | — | — | — | — | — | — | — |
| OUT3 | — | output | — | out3 | — | — | — | — | — | — | — |
| OUT4 | — | output | — | out4 | — | — | — | — | — | — | — |

## Where to buy

| Supplier | Price | Stock | Checked | URL |
| --- | --- | --- | --- | --- |
| www.adafruit.com | 7.5 USD | in_stock | 2026-10-01 | https://www.adafruit.com/product/1362 |

## FAQ

**What voltage powers the Adafruit AT42QT1070 5-Pad Touch Sensor?**

Supply range 1.8–5.5 V.

**How much does the Adafruit AT42QT1070 5-Pad Touch Sensor cost?**

From $7.5 at www.adafruit.com. Prices are observed unit prices before tax and shipping.

**What are the Adafruit AT42QT1070 5-Pad Touch Sensor dimensions?**

25.4 × 22.86 × 1.6 mm. A STEP model is available for enclosure fit checks.

**Where does this Adafruit AT42QT1070 5-Pad Touch Sensor data come from?**

Every value in this record is traced to a source — 2 documents including the board and chip datasheets — with the page and table cited per value. Unknowns are left explicit, never guessed.

## Sources

- [Adafruit AT42QT1070 5-Pad Touch Sensor datasheet](https://cdn-learn.adafruit.com/downloads/pdf/adafruit-capacitive-touch-sensor-breakouts.pdf)
- [www.adafruit.com listing](https://www.adafruit.com/product/1362)

## Part graph

### Built from

- AT42QT1070 — sensor on the Adafruit AT42QT1070 5-Pad Capacitive Touch

### Alternatives (by use case)

- [Alpha MF02A Square FSR 38 mm (1–49 N)](https://www.xirkit.io/products/alpha-mf02a-square-fsr-38-mm-1-49-n-09b0) — Both serve touch and force sensing — check the trade-offs; $7.5 vs $5.95
- [Alpha MF01A Round FSR 14.7 mm (0.3–10 N)](https://www.xirkit.io/products/alpha-mf01a-round-fsr-14-7-mm-0-3-10-n-22e6) — Both serve touch and force sensing — check the trade-offs; $7.5 vs $3.95
- [Interlink FSR 402 Round FSR 12.7 mm](https://www.xirkit.io/products/interlink-fsr-402-round-fsr-12-7-mm-3272) — Both serve touch and force sensing — check the trade-offs; $7.5 vs $10.95
- [Adafruit AT42QT1012 Capacitive Touch (toggle)](https://www.xirkit.io/products/adafruit-at42qt1012-capacitive-touch-toggle-8b03) — Both serve touch and force sensing — check the trade-offs; $7.5 vs $5.95
- [Interlink FSR 400 Small Round FSR 5 mm](https://www.xirkit.io/products/interlink-fsr-400-small-round-fsr-5-mm-9120) — Both serve touch and force sensing — check the trade-offs; $7.5 vs $10.95
- [Adafruit MPR121 12-Key Capacitive Touch](https://www.xirkit.io/products/adafruit-mpr121-12-key-capacitive-touch-b241) — Both serve touch and force sensing — check the trade-offs; $7.5 vs $7.95
- [Adafruit AT42QT1010 Capacitive Touch (momentary)](https://www.xirkit.io/products/adafruit-at42qt1010-capacitive-touch-momentary-ba53) — Both serve touch and force sensing — check the trade-offs; $7.5 vs $5.95
- [Seeed Grove Round Force Sensor (FSR402)](https://www.xirkit.io/products/seeed-grove-round-force-sensor-fsr402-ede8) — Both serve touch and force sensing — check the trade-offs; $7.5 vs $14.9