pinch Dev Board held between fingers
Tiny, But Capable

pinch

The World's Smallest 32-Bit Arduino-
Compatible Board

SHIPPING STARTS SEPT 2026

smaller area than UNO by 97%

Size comparison

pinch
pinch board
Nano
Arduino Nano board
Micro
Arduino Micro board
UNO
Arduino UNO board
Dimension
10.5 x 10.9 mm²
0.413in x 0.429in
18.0 x 45.0 mm²
0.71in x 1.77in
18.0 x 48.0 mm²
0.71in x 1.89in
53.4 x 68.6 mm²
2.10in x 2.70in
Reset Button
Native USB
LEDs
RGB (Rainbow)
Yellow
Yellow, Green
Yellow
GPIO Pins
12 + 3 (RGB LEDs)
22
20
20
Weight
1.1 g
0.04 oz
7.0 g
0.25 oz
13.0 g
0.46 oz
25.0 g
0.88 oz
pinch
pinch board
Dimension10.5 x 10.9 mm²
0.413in x 0.429in
Reset Button
Native USB
LEDsRGB (Rainbow)
GPIO Pins12 + 3 (RGB LEDs)
Weight1.1 g
0.04 oz
Nano
Arduino Nano board
Dimension18.0 x 45.0 mm²
0.71in x 1.77in
Reset Button
Native USB
LEDsYellow
GPIO Pins22
Weight7.0 g
0.25 oz
Micro
Arduino Micro board
Dimension18.0 x 48.0 mm²
0.71in x 1.89in
Reset Button
Native USB
LEDsYellow, Green
GPIO Pins20
Weight13.0 g
0.46 oz
UNO
Arduino UNO board
Dimension53.4 x 68.6 mm²
2.10in x 2.70in
Reset Button
Native USB
LEDsYellow
GPIO Pins20
Weight25.0 g
0.88 oz
Built to fit anywhere

Specs & Features

Compact Size

Designed for projects where every millimeter matters, measuring at 10.5 x 10.9 mm².

Arduino Ready

Program with the Arduino IDE using familiar libraries, examples, and environment.

Onboard Essentials

Everything you need is built in, including USB-C, 3.3V regulator, RGB LED, and a reset/bootloader button.

15 GPIO Pins

Digital, ADC, DAC, PWM, SPI, I2C, and UART are available for any project you take on.

Native USB

Create custom HID keyboards, mice, gamepads, MIDI devices, serial interfaces, and more.

Ultra Low Power

Designed for battery operation with SAMD11 that reduces sleep current to just a few microamps.
START BUILDING IN MINUTES

EASY PROGRAMMING

Program pinch using Arduino IDE with existing libraries, examples, and workflows. No complicated setup; just plug it in and start creating.

Plug & Program
No external programmer required
Arduino Compatible
Works with the Arduino IDE
USB-C
Power, program, & serial in one
Examples Included
Learn from ready-to-run projects
Documentation
Wiki page coming soon
Expandable
Future shields & accessories on the way.
Arduino IDE with pinch selected as the board
pinch boards and USB-C accessories.
Endless Possibilities

EMBED IT ANYWHERE

Designed for projects where every millimeter counts, pinch fits seamlessly into wearables, compact robotics, IoT devices, and tiny USB HID projects.

COMMS
I2C, SPI, UART, USB
USB
HID, MIDI, Serial
I/O
ADC & DAC

Full Specs

Product Namepinch
ProcessorARM Cortex-M0+ processor running at up to 48 MHz (SAMD11)
RAM4 KB SRAM
Flash16 KB Flash (12 KB for sketches, 4 KB bootloader)
Interface
  • GPIO Pin x15 (D0–D14)
  • Header GPIO x12 (D0–D11)
  • Analog Pin x5 (A0–A4)
  • PWM Pin x11
  • DAC x1
  • I2C x1
  • UART x2 (USB & D5/D6)
  • SPI x1
USBUSB-C, native full-speed (CDC serial + HID)
Onboard
  • RGB LED (D12–D14)
  • Reset button
  • 3.3 V LDO
Header16-pin, 1.27 mm pitch
Power
  • 5 V (USB-C) @ 500 mA max output
  • 3.3 V (LDO) @ 300 mA max output
DebugSWD on D5 (SWCLK) / D6 (SWDIO)
Dimensions
  • 10.5 mm x 10.9 mm (±0.2 mm)
  • 0.413 in x 0.429 in (±0.008 in)

PINOUT DIAGRAM

pinch Arduino pinout diagram
moddoMOUSE components arranged from above

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