Description

M5Stamp Pico is a plug-and-play, cost-effective Wi-Fi minimum core board powered by the Espressif ESP32-PICO-D4 SoC. It integrates two low-power Xtensa 32-bit LX6 microprocessors running up to 240MHz, making the M5Stamp Pico suitable for compact, battery-powered, and space-constrained IoT products.

The M5Stamp Pico combines a small 24.0 x 18.0mm footprint with 2.4GHz Wi-Fi, 4MB flash, 520KB SRAM, 12 GPIO breakouts, a programmable RGB LED, and a programmable button. Its high-temperature plastic armor protects the 3D antenna and components, while the RF circuit is tuned for stable wireless communication.

Notice: Stamp-Pico uses an ultra-simplified circuit design and does not include an onboard download circuit. To burn firmware, connect a USB-TTL downloader to the board according to the silkscreen and install the matching driver for the downloader chip.

Features

• M5Stamp Pico uses ESP32-PICO-D4 with 2.4GHz Wi-Fi and a dual-core 240MHz processor.
• Multiple I/O breakouts support SMT, DIP, and flying-lead mounting methods.
• Integrated programmable RGB LED and physical button.
• ESP32 minimum system board with onboard 5V to 3.3V DC/DC circuit.
• 12 GPIO pins with 2.54mm pitch for compact embedded designs.
• High-temperature plastic armor protects the 3D antenna and components.
• Supports UiFlow1, UiFlow2, Arduino IDE, ESP-IDF, and PlatformIO workflows.

Specifications

Applications

• Smart home sensors, controllers, and wireless nodes built around the M5Stamp Pico.
• Wearable devices and compact battery-powered IoT hardware.
• Medical equipment prototypes and connected monitoring devices.
• Wi-Fi enabled embedded devices that need a small ESP32 core board.
• Production designs where the M5Stamp Pico can be mounted by SMT, DIP, or flying leads.

Product List

• 5 x Stamp-Pico
• 5 x High-temperature sticker

Other Content

The M5Stamp Pico is best suited to projects that need a tiny ESP32 Wi-Fi core with flexible mounting options. For firmware flashing, prepare a compatible USB-TTL downloader and install the matching CP2104 or CH9102 driver before connecting the board.

For pin planning, note that the programmable RGB LED uses G27 and the button uses G39. The board exposes 12 IO pins, supports 2.54mm pitch wiring, and provides a compact path from prototype to embedded installation.

Resources

Stamp-Pico Product Documentation

Stamp-Pico Structure Files on GitHub

Stamp-PICO KiCad Footprint File

ESP32-PICO Series Datasheet PDF

Stamp-Pico Arduino Quick Start

Stamp-Pico UiFlow1 Quick Start

Stamp-Pico UiFlow2 Quick Start

Stamp-Pico Button Example Code

Stamp-Pico IO Example Code

Stamp-Pico LED Example Code

CP210x Windows Driver ZIP

CP210x macOS Driver ZIP

CH9102 macOS Driver ZIP

FAQ

Does this board include an onboard USB download circuit?

No. The M5Stamp Pico requires an external USB-TTL downloader for firmware flashing.

Which development platforms are supported?

The M5Stamp Pico supports UiFlow1, UiFlow2, Arduino IDE, ESP-IDF, and PlatformIO development workflows.

What is included in the 5pcs package?

The M5Stamp Pico package includes five Stamp-Pico boards and five high-temperature stickers.

What type of projects is it designed for?

The M5Stamp Pico is designed for compact Wi-Fi IoT products, including smart home, wearable, monitoring, and embedded control applications.