WEMOS D1 R32 is a development board based on the ESP32 microcontroller using XTENSA architecture.
This board features a maximum CPU frequency of 240 MHz and 4MB flash memory.
About WEMOS D1 R32
Arduino Uno-compatible ESP32 board - perfect for developers transitioning from AVR to ESP.
📋 Technical Specifications
Complete technical specification details for WEMOS D1 R32
🛰️ Connectivity
🧠 Microcontroller
✨ Features & Pins
Pin Mappings
Complete pinout and GPIO mapping for WEMOS D1 R32
| Pin | Analog | Touch | PWM | Other |
|---|---|---|---|---|
| 1 | PWM | TX | ||
| 2 | A0 | PWM | LED_BUILTIN | |
| 3 | PWM | RX | ||
| 4 | A1 | PWM | ||
| 5 | PWM | SS | ||
| 12 | PWM | |||
| 13 | PWM | |||
| 14 | PWM | |||
| 16 | PWM | |||
| 17 | PWM | |||
| 18 | PWM | SCK | ||
| 19 | PWM | MISO | ||
| 21 | PWM | SDA | ||
| 22 | PWM | SCL | ||
| 23 | PWM | MOSI | ||
| 25 | PWM | |||
| 26 | PWM | |||
| 27 | PWM | |||
| 34 | A3 | |||
| 35 | A2 | |||
| 36 | A4 | |||
| 39 | A5 |
Default Tools & Configuration
Build and upload settings for WEMOS D1 R32
| Setting | Value |
|---|---|
| Bootloader tool | esptool_py |
| Uploader tool | esptool_py |
| Network uploader tool | esp_ota |
| Bootloader address | 0x1000 |
| Flash mode | dio |
| Boot mode | dio |
| Maximum upload size | 1280 KB (1310720 bytes) |
| Maximum data size | 320 KB (327680 bytes) |
The WEMOS D1 R32 uses esptool_py for uploads , esp_ota for OTA updates, and esptool_py bootloader at 0x1000.
Flash mode: dio | Boot mode: dio
Max sketch size: 1280 KB | Max data size: 320 KB
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