LOLIN(WEMOS) D1 ESP-WROOM-02 is a development board based on the ESP8266 microcontroller using XTENSA LX106 architecture.
This board features a maximum CPU frequency of 160 MHz and 4 MB flash memory.
About LOLIN(WEMOS) D1 ESP-WROOM-02
ESP8266 board with WROOM-02 module - Arduino Uno layout with full Wi-Fi capabilities.
Technical Specifications
Complete technical specification details for LOLIN(WEMOS) D1 ESP-WROOM-02
Connectivity
WiFi 802.11 b/g/n (2.4 GHz)
Bluetooth -
BLE -
Microcontroller
Model esp8266
Clock Speed 160 MHz
Flash Size 4 MB
Architecture Xtensa LX106
LOLIN(WEMOS) D1 ESP-WROOM-02 Pinout Diagram
Complete pin reference for LOLIN(WEMOS) D1 ESP-WROOM-02
Pin Mappings
Complete pinout and GPIO mapping for LOLIN(WEMOS) D1 ESP-WROOM-02
Digital I/O Pins
Interrupt Pins
Analog Inputs
| 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 |
Legend
A0 Analog input
T0 Touch sensor
PWM PWM capable
RX/TX Serial pins
LED Built-in LED
# Pin number
Default Tools & Configuration
Build and upload settings for LOLIN(WEMOS) D1 ESP-WROOM-02
| Setting | Value |
|---|---|
| Uploader tool | esptool |
| Flash mode | dio |
| Maximum data size | 80 KB (81920 bytes) |
Configuration Summary
The LOLIN(WEMOS) D1 ESP-WROOM-02 uses esptool for uploads , and bootloader at .
Flash mode: dio | Boot mode:
