Meet the Tiny Arduino Board That Fits on Your Fingertip

In the ever-evolving world of electronics, innovation often comes in unexpected sizes. The Moddo Pinch has emerged as a remarkable contender, claiming the title of the world's smallest Arduino-compatible board. Measuring a mere 0.41 inches, this tiny marvel is designed to fit comfortably on your fingertip, making it an exciting option for DIY enthusiasts.

Features of the Moddo Pinch

Despite its compact size, the Moddo Pinch is packed with features that make it a powerful tool for various electronic projects. It supports USB-C functionality, enabling connections for CDC serial programming, input devices, and MIDI.

16-pin header for expansion
RGB LED
Reset button
4KB static RAM
32-bit Microchip ATSAMD11D14A microcontroller

Performance Specifications

Under the hood, the Moddo Pinch utilizes a 32-bit Microchip ATSAMD11D14A microcontroller based on the ARM Cortex-M0+ architecture. It offers 4KB of static RAM and 16KB of flash storage, making it capable of handling a variety of tasks despite its small form factor.

Comparison with Previous Models

The claim of being the smallest Arduino-compatible board is backed by comparisons with previous record holders. The Atto board, which measured the same 0.41 inches, utilized a less powerful 8-bit Microchip ATmega32U4. While the Raspberry Pi-based RPDot was slightly smaller at 0.39 inches, it is not commercially available, making the Moddo Pinch a unique offering.

Challenges in Development

The creator of the Moddo Pinch, known as 'jus-kim,' shared insights into the development process. The physical design was not the most significant hurdle; instead, the challenge lay in creating a custom Arduino board package and fitting a specialized 4KB bootloader. By reusing the bootloader's USB CDC system, they were able to conserve valuable flash memory space.

Availability and Pricing

Currently, the Moddo Pinch is available for pre-order at a price of $16, with shipping expected to begin in September. This package includes a breakout board and male 0.1-inch pitch header pins, providing extra space for easier handling.

Why Choose the Moddo Pinch?

While it may not be the most budget-friendly Arduino-compatible board on the market, the Moddo Pinch stands out due to its size and processing capabilities. It's an excellent choice for compact Internet of Things (IoT) applications and smart home projects where every millimeter counts.

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