LOLIN (WeMos) D1 R1 Development Board
Code name: ESP8266_WEMOS_D1R1
LOLIN (WeMos) D1 R1 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 R1
Early version of D1 board — Uno-style ESP8266 layout for legacy compatibility and basic Wi-Fi.
Where to Buy
Starting from
10$ per Pcs
Prices are subject to change. We earn from qualifying purchases as an Amazon Associate.
Technical Specifications
🛰️ Connectivity
🧠 Microcontroller
LOLIN (WeMos) D1 R1 Pinout
LOLIN (WeMos) D1 R1 Pins Mapping Arduino IDE
Below you can find the LOLIN (WeMos) D1 R1 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 | ||||
| 2 | LED_BUILTIN | |||
| 3 | ||||
| 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 R1 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 R1 development board by default is dio and respectively.
