Islamabad, Islamabad Capital Territory, Pakistan


t is a development board with ESP-WROOM-02 and USB Serial converter IC (FT231XS). It also has a 3.3 V output regulator, reset switch and an running mode switcher which enables you to use your ESP-WROOM-02 Wi-Fi right away.

The highlight of this board is an FT231X USB-to-Serial converter. That's what translates data between your computer and ESP-WROOM-02.

Solder pin headers to bread board. Pin headers not included.

ESP-WROOM-02 Development Board

Module Aspects:


IEEE 802.11b/g/n (2.4 GHz)
32-bit low power micro-controller (MCU)
10 bit A/D Converter
FCC、CE、Design certified
Deep sleep mode: Under 10 uA, Off mode: Under 5 uA
Startup to packet transmission: Under 2 ms
Power consumption(standby): Under 1 mW(DTIM3)
Output: +20 dBm(when using 802.11b)
-40 ℃〜125 ℃
USB : MicroUSB

FT231XS on board

TX,RX signs on LED for correspondence check are reversed.RX will switch when a transmission has been made from ESP-WROOM-02.Alterations are planned from next lot.(July 12th 2016)
RESET button、MODE Switch Button

Operation Voltage: 3.3 V
Power pin

VIN: 3.7-6 V
VOUT: Changed name to VOUT pin from 5 V pin.(January 8th 2016)
Operating voltage: 5 V (fed from USB),Power of VIN will output from VOUT (fed from VIN)
3.3 V Pin: For output purpose only

Documents Package:

Schematic Rev.2(PDF)
Schematic Rev.3(PDF)
Product page(English)
ESP8266EX Datasheet Version 4.4(pdf)(English)
ESP8266 System Description Version 1.4(pdf)(English)
ESP-WROOM-02 Datasheet Version 0.6(pdf)(English)
Compliance guide(Japanese)
Blog entrys(Japanese)
Developing method for Auduino IDE(Japanese)
Left Button: RESET, Right button: MODE Switch

ESP-WROOM-02 Development Board

Push reset button to reset.
Mode switcher button is attached to IO0 pin. Push IO0 for LOW, free for HIGH.If you reset it from HIGH mode, it will activate at firm ware running mode. If you reset it from LOW mode, it will activate at programming mode.

Package Includes:

1 x ESPr Development Board ESP-WROOM-02

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Published: 2 years ago
Ad Id: 8750