LOLIN (WeMos) D1 R1 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 R1
Early version of D1 board - Uno-style ESP8266 layout for legacy compatibility and basic Wi-Fi.
Where to Buy LOLIN (WeMos) D1 R1
Starting from
10$ per Pcs
Prices are subject to change. We earn from qualifying purchases as an Amazon Associate.
Technical Specifications
Complete technical specification details for LOLIN (WeMos) D1 R1
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 R1 Pinout Diagram
Complete pin reference for LOLIN (WeMos) D1 R1
Pin Mappings
Complete pinout and GPIO mapping for LOLIN (WeMos) D1 R1
Digital I/O Pins
Interrupt Pins
Analog Inputs
| Pin | Analog | Touch | PWM | Other |
|---|---|---|---|---|
| 0 | ||||
| 1 | ||||
| 2 | LED_BUILTIN | |||
| 3 | ||||
| 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 R1
| Setting | Value |
|---|---|
| Uploader tool | esptool |
| Flash mode | dio |
| Maximum data size | 80 KB (81920 bytes) |
Configuration Summary
The LOLIN (WeMos) D1 R1 uses esptool for uploads , and bootloader at .
Flash mode: dio | Boot mode:
