The Wemos ESP32 D1 R32 is a revolutionary development board that bridges the gap between traditional Arduino projects and modern IoT applications. Built around the ESP-WROOM-32 module, it offers dual-core processing power and integrated WiFi/Bluetooth. The genius of this board is its Uno R3 form factor, allowing you to plug in standard Arduino shields while benefiting from 240MHz speeds and wireless capabilities.
Uno-Shield Compatible: Uses the standard Arduino Uno pin layout, making it compatible with most existing LCD, Sensor, and Motor shields.
Dual-Core Performance: Powered by the 32-bit Xtensa LX6 processor, capable of handling complex tasks and real-time OS (FreeRTOS).
Wireless Powerhouse: Integrated 2.4GHz WiFi and Dual-Mode Bluetooth (Classic + BLE).
High-Speed Logic: Significantly faster than a standard Uno (240MHz vs. 16MHz).
Flexible Power: Can be powered via the DC Barrel Jack (5V-12V) or the Micro-USB port.
| Feature | Specification |
| Microcontroller | ESP-WROOM-32 |
| Clock Speed | 240 MHz |
| Flash Memory | 4 MB |
| SRAM | 520 KB |
| Operating Voltage | 3.3V (Logic Level) |
| Input Voltage | 5V 12V DC (via DC Jack) |
| Digital I/O Pins | 26 |
| Analog Input Pins | 6 (ADC) |
| Communication | UART, SPI, I2C, CAN, I2S |
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