Product Parameters Comparison MODEL R7FA4 PLUS A R7FA4 PLUS B ESP32-S3-NANO MICROCONTROLLER R7FA4 (32-bit ARM Cortex-M4) R7FA4 (32-bit ARM Cortex-M4) ESP32-S3R8 (Dual-core 32-bit Xtensa LX7) ESP32-S3FN8 (Dual-core 32-bit Xtensa LX7) CLOCK FREQUENCY R7FA4: 48MHz R7FA4: 48MHz ESP32-S3R8: 240MHz ESP32-S3FN8: 240MHz STORAGE R7FA4: 256kB Flash, 32kB RAM R7FA4: 256kB Flash, 32kB RAM ESP32-S3R8: 384kB ROM, 512kB RAM, 16MB Flash, 8MB PSRAM ESP32-S3FN8: 384kB ROM, 512kB RAM, 8MB Flash WIRELESS COMMUNICATION None 2.4GHz WiFi + Bluetooth LE OPERATING VOLTAGE Options for 5V/3.3V, support more shields 3.3V POWER INPUT 6~24V 6~21V RESET BUTTON Lateral, easier to use when connecting with shield Vertical IO PIN OUTPUT CURRENT 8mA 40mA DIGITAL PINS 14 14 ANALOG PINS 6 8 DAC 2 None PWM 6 5 UART 1 2 I2C 1 1 SPI 1 1 CAN 1 None DC JACK Low profile, shields won't be blocked anymore while connecting None POWER OUTPUT HEADER Provides 5V OR 3.3V power output and common-grounding with other boards None 5V POWER OUTPUT Up to 2000mA Max, features higher driving capability 1000mA Max EXPERIMENTAL BOARD Support, solder pad is provided for DIY interfaces to connect with experimental board Support What's On BoardPinout DefinitionOutline Dimensions
