
Description:
The Cytron WROOM-02 ESP8266 WiFi Shield is a plug-and-play wireless connectivity solution for Arduino UNO, Mega, and compatible boards. Powered by the reliable ESP8266 WROOM-02 module, it enables easy WiFi integration for IoT, home automation, robotics, and DIY electronics projects. Featuring onboard 3.3V regulation, selectable UART pins, AT command support, and Arduino R3 compatibility, this shield offers stable wireless performance with simple installation, making it ideal for beginners and advanced developers alike.
Specifications:
- Core WiFi Module: ESP-WROOM-02
- Pre-loaded Firmware: Cytron_ESP_AT V2.2.0
- Form Factor: Standard Arduino Shield
- Wireless Standards: 802.11 b/g/n, Wi-Fi Direct (P2P), Soft-AP
- Operating Voltage: 5V DC
- RF Output Power: +19.5 dBm
Features:
- Compatible with Arduino R3 layout boards, including Maker UNO, CT-UNO, CT-ARM, Arduino UNO R3, and Arduino Leonardo.
- Preassembled with the ESP8266 WROOM-02 module and flashed with Cytron_ESP_AT V2.2.0 firmware.
- Onboard 3.3V regulator capable of supplying up to 500 mA for stable WiFi operation.
- Selectable UART/serial communication via mini jumpers (USB, hardware serial, and software serial options).
- Supports 802.11 b/g/n, Wi-Fi Direct (P2P), Soft-AP mode, and full TCP/IP protocol stack.
- Integrated TR switch, balun, power amplifier, LNA, PLLs, regulators, and 32-bit CPU.
- +19.5 dBm output power for strong wireless range.
- Breakout pins are available for programming or full I/O access of WROOM-02.
- Includes an optional microSD slot for data logging and local storage.
- Each shield is fully assembled and tested before shipping.
Useful Links:
- Rev1.0 - With ESP8266-12 module:
- Rev2.0 - with ESP-WROOM-02 module
- Arduino Library and Examples - Github
- ESP-AT firmware - Github
Package Included:
1 x Cytron ESP8266 WiFi Shield