ESP-M1 ESP8285 Serial-to-WiFi Module (Replaces ESP-07/07S)
The ESP-M1 is a compact ESP8285-based serial-to-WiFi transparent transmission module designed for low-power IoT applications. It operates on 3.3V and communicates via UART AT commands, providing a direct replacement for ESP-07 and ESP-07S modules in smart home and industrial control systems.
Features
- ESP8285 Core: Integrates a Tensilica L106 processor with built-in flash memory for standalone Wi-Fi connectivity and application logic.
- Serial-to-WiFi Transparency: Enables seamless bidirectional data conversion between UART serial port and TCP/IP network for remote device control.
- Low Power & Long Range: Engineered for ultra-low power consumption and enhanced wireless transmission distance for battery-operated IoT nodes.
- Direct ESP-07/07S Replacement: Offers a pin-compatible upgrade path for existing designs using the popular ESP-07 series modules.
- AT Command Interface: Simplifies configuration and network management via standard ESP8266/8285 AT command set over a serial connection.
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The ESP-M1 module is a dedicated serial-to-WiFi bridge built around the ESP8285 SoC, which combines a 32-bit microcontroller with integrated Wi-Fi (802.11 b/g/n) and 1MB of flash memory. This integration allows for compact designs that require minimal external components. The module facilitates transparent transmission, meaning data received on its UART pins is automatically packetized and sent over Wi-Fi to a specified server or client, and vice-versa.
Operating from a 3.0V to 3.6V supply, the ESP-M1 is optimized for low-power scenarios common in sensor networks and smart home devices. Its design supports stable long-distance communication and is fully programmable via the Arduino IDE or ESP8266 SDK for custom firmware, beyond the standard AT command mode. The built-in PCB antenna provides adequate coverage, while the module’s industrial temperature rating (-40°C to +125°C) ensures reliability in harsh environments.
Additional Information
| Weight | 0.005 kg |
|---|---|
| Dimensions | 3 × 1.6 cm |
