Name: ESP-M1 Wi-Fi Module, Serial Transparent Transmission, ESP8285, Compatible with ESP8266, FCC/CE Certified, Factory Direct
SKU: 248
Availability: InStock

ESP-M1 Wi-Fi Module, Serial Transparent Transmission, ESP8285, Compatible with ESP8266, FCC/CE Certified, Factory Direct

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Firmware type

With or without an antenna

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Description

Parameter information

model：ESP-M1

brand：DOIT

Origin：Chinese mainland

Image and text details

Product Introduction
The core processor of the ESP-M1/M2 module uses the cost-effective ESP8285 chip. The ESP8285 offers complete Wi-Fi networking functionality — it can operate independently, or serve as a slave device paired with another host MCU. The ESP8285 only requires an SPI/SDIO interface or an I2C/UART port to function as a Wi-Fi adapter, making it applicable to designs based on any microcontroller.

Product Specifications

Product Parameters

Module Model	ESP-M1/M2	Description
Package Type	SMD	Surface-mount
Module Size	12.3 × 15/20 mm	±0.2 mm
Certifications	Fully Certified	FCC / CE / REACH / RoHS / SRRC / ANATEL
SPI FLASH	32 Mbit	Default
Supported Interfaces	/	UART / SDIO / SPI / I²C / I²S / IR Remote Control
Available I/O	9
Baud Rate	4,608,000 bps	Supported: 300–4,608,000 bps; Default: 115,200 bps
Frequency Range	2.4 GHz	2.4–2.5 GHz (2400–2483.5 MHz)
Antenna Type	Onboard / External	Onboard PCB Antenna / IPEX Gen 1
Transmit Power	/	802.11b: +20 dBm; 802.11g: +17 dBm; 802.11n: +14 dBm
Security	/	WPA / WPA2 / WEP / TKIP / AES
Supply Voltage	3.3 V	2.5–3.6 V; Avg. Current: 80 mA; Peak Current: >200 mA
Operating Temperature	Industrial Grade	−20°C to +85°C
AT Support	Built-in Smart Processing	Readable via AT Commands

Pin definition

No.	Pin Name	Type	Function
1	ADC	I	A/D converter pin. Input voltage: 0–1 V; output range: 0–1024.
2	EN	I	Chip enable. High: enabled; Low: shutdown, low power.
3	IO14	I/O	GPIO14; HSPI_CLK
4	IO12	I/O	GPIO12; HSPI_MISO
5	IO13	I/O	GPIO13; HSPI_MOSI; UART0_CTS
6	IO15	I/O	GPIO15; MTDO; HSPICS; UART0_RTS; onboard pull-down resistor.
7	VCC	P	Module power: 3.3 V
8	GND	P	GND
9	IO2	I/O	GPIO2; UART1_TXD
10	IO0	I/O	GPIO0; SPI_CS2
11	IO4	I/O	GPIO4
12	IO5	I/O	GPIO5
13	RXD	I/O	GPIO3; UART Rx for Flash programming.
14	TXD	I/O	GPIO1; UART Tx for Flash programming.
15	RST	I	External reset (active low); resets module; onboard pull-up resistor.
16	GND	P	GND

KEY ADVANTAGES

Product Advantages

GENUINE
PRODUCTS

Strict quality control with full traceability for every product.

AUTHORIZED
DISTRIBUTION

Factory-authorized distribution with traceable sourcing and assured quality.

COMPLETE
PRODUCT RANGE

Stable supply and a complete product lineup for worry-free purchasing.

READY STOCK

Large inventory available for immediate shipment.

FAST &
EFFICIENT

Premium, efficient service for a better customer experience.

Additional information

Firmware type	AT Firmware, Pass-through firmware, probe firmware
With or without an antenna	Without antenna

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