LOLIN(WEMOS) D1 ESP-WROOM-02 Development Board
Code name: ESP8266_WEMOS_D1WROOM02
LOLIN(WEMOS) D1 ESP-WROOM-02 development board is based on esp8266 microcontroller and uses Xtensa LX106 architecture. This board has a maximum CPU frequency of 160 MHz and a flash size of 4 MB.
About LOLIN(WEMOS) D1 ESP-WROOM-02
ESP8266 board with WROOM-02 module — Arduino Uno layout with full Wi-Fi capabilities.
Technical Specifications
🛰️ Connectivity
🧠 Microcontroller
LOLIN(WEMOS) D1 ESP-WROOM-02 Pinout
LOLIN(WEMOS) D1 ESP-WROOM-02 Pins Mapping Arduino IDE
Below you can find the LOLIN(WEMOS) D1 ESP-WROOM-02 pinout. This development board provides digital IO pins, out of which can be used as external interrupt pins and as analog input pins .
| Pin | Analog | Touch | PWM | Other |
|---|---|---|---|---|
| 0 | ||||
| 1 | TX | |||
| 2 | LED_BUILTIN | |||
| 3 | RX | |||
| 4 | ||||
| 5 | ||||
| 12 | ||||
| 13 | ||||
| 14 | ||||
| 15 | ||||
| 16 | ||||
| PIN_WIRE_SDA | SDA | |||
| PIN_WIRE_SCL | SCL |
Default Tools
| Uploader tool | esptool |
| Flash mode | dio |
| Maximum data size | 80 Kb (81920 B) |
The LOLIN(WEMOS) D1 ESP-WROOM-02 development board by default uses esptool uploader tool, network uploader tool for Over-the-air (OTA) uploads and bootloader tool. The bootloader starts at address "". Flash mode and boot mode for LOLIN(WEMOS) D1 ESP-WROOM-02 development board by default is dio and respectively.
