DOIT ESP-M2 ESP8285 Ultra-Compact Wireless WiFi Serial Module

Meet the DOIT ESP-M2 — a remarkably compact serial wireless WiFi transmission module built on the ESP8285 chip. Whether you're building IoT devices, home automation systems, smart sensors, or embedded electronics projects, this ultra-small SMD module delivers reliable 802.11 b/g/n WiFi connectivity in a footprint that fits almost anywhere.

Key Features

Ultra-Small Form Factor: Designed for space-constrained PCB layouts and embedded applications where size is critical.
ESP8285 Chipset: Integrates a Tensilica L106 32-bit processor with built-in 1MB Flash — no external Flash chip required.
Serial WiFi Transmission: Simple UART interface makes integration straightforward for makers, engineers, and hobbyists alike.
SMD Package: Surface-mount design for easy soldering onto custom PCBs or breadboard adapter boards.
802.11 b/g/n WiFi: Supports standard wireless networking for seamless connectivity with routers and access points.
Low Power Operation: Optimized for battery-powered and energy-efficient IoT applications.
Customizable Quantities: Available in 1 pc, 5 pcs, or 10 pcs — perfect for prototyping or small production runs.

Specifications

Module: ESP-M2
Chip: ESP8285 (ESP8266 + 1MB Flash integrated)
Interface: Serial (UART)
WiFi Standard: 802.11 b/g/n
Package: SMD
Customization: Available

What's in the Box?

ESP-M2 ESP8285 WiFi Module(s) (qty: 1 pc / 5 pcs / 10 pcs — as selected)

Perfect For

IoT (Internet of Things) prototyping
Home automation and smart device projects
Wireless sensor networks
Embedded system development
Arduino & microcontroller integration via serial interface

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Frequently Asked Questions

Q: What is the DOIT ESP-M2 ESP8285 WiFi module used for?

A: The DOIT ESP-M2 is an ultra-compact serial wireless WiFi module based on the ESP8285 chip. It is widely used in IoT projects, home automation, smart sensors, and embedded electronics where a small, reliable WiFi connection via UART serial interface is needed.

Q: What is the difference between the ESP8285 and ESP8266?

A: The ESP8285 is essentially an ESP8266 with 1MB of Flash memory integrated directly into the chip package, eliminating the need for an external Flash component. This allows for a significantly smaller module footprint — ideal for compact, space-constrained designs like the ESP-M2.

Q: Can I order the ESP-M2 module in bulk for a project?

A: Yes! The DOIT ESP-M2 ESP8285 module is available in quantities of 1 pc, 5 pcs, or 10 pcs, making it convenient for both single prototypes and small production runs. Simply select your preferred quantity at checkout.

Q: Is the ESP-M2 compatible with Arduino and other microcontrollers?

A: Yes. The ESP-M2 communicates via a standard UART serial interface, making it compatible with Arduino, Raspberry Pi, STM32, and most other microcontroller platforms. You can use AT commands or program it directly via the ESP8266/ESP8285 Arduino core.

Production & Packaging Notice

To maintain high stock availability and fast shipping times, our items are sourced from multiple verified manufacturing facilities. While the core quality, materials, and product specifications remain identical, you may notice slight variations in the packaging design, manufacturing origin, or the wording of the printed instructions.