
$1.35
$0.90
SKU: GC-ESP-WROOM-02U
MPN: ESP-WROOM-02U
Manufacturer: Espressif Systems
Stock Status: In stock
Flash Memory
The ESP-WROOM-02U is a compact, low-power, Wi-Fi module incorporating the ESP8266EX chip. The device supports an external U.FL (IPEX) connector for optimized RF performance. It’s low power consumption and compact size (18 x 14.3 x 3.2 mm) makes the device essential for Internet of Things (IoT) applications.
Common applications include:
The ESP8266EX chip provides a Tensilica L106 32-bit RISC processor with a maximum clock speed of 160 MHz. The chip supports SPI flash memory with options of 2MB or 4MB and works with the following SPI modes:
The WROOM-02U is customizable with 80% of the processing power available for development through the Real-Time Operating System (RTOS) and Wi-Fi stacks. GitHub provides additional information and code examples.
SKU |
Flash Memory |
Operating Temperature |
Manufacturer Part # (MPN) |
---|---|---|---|
GC-ESP-WROOM-02U (SALE) | 2 MB | -40ºC to 85ºC (-40ºF to 185ºF) | ESP-WROOM-02U |
GC-ESP-WROOM-02U-N4 | 4 MB | -40ºC to 85ºC (-40ºF to 185ºF) | ESP-WROOM-02U-N4 |
GC-ESP-WROOM-02U-H2 | 2 MB | -40ºC to 105ºC (-40ºF to 221ºF) | ESP-WROOM-02U-H2 |
ESP-WROOM-02U Datasheet
ESP8266 Datasheet
ESP8266 Quick Start Guide
ESP8266 AT Bin
Antennas
External U.FL (IPEX) connector
Certifications
Dimensions
18 mm x 14.3 mm x 3.2 mm
Firmware
Frequency Band
Wi-Fi frequency: 2.4 GHz ~ 2.5 GHz (2400M ~ 2483.5M)
Interface(s)
Memory
2 MB or 4 MB
MPN
ESP-WROOM-02U
Pins
18
Power
Protocols
Security/Protection
Software
Temperature Range
Timers
On board clock: 26 MHz crystal
Voltage
Operating: 2.7V ~ 3.6V
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