R7FA4 PLUS B Development Board, Based on R7FA4M1AB3CFM, Equipped with ESP32-S3FN8, Compatible with Arduino UNO R4 WiFi

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Specifications

MODEL


R7FA4 PLUS A

(This product)


R7FA4 PLUS B

(Also available)



MICROCONTROLLERR7FA4 (32-bit ARM Cortex-M4)R7FA4 (32-bit ARM Cortex-M4)
ESP32-S3FN8 (Dual-core 32-bit Xtensa LX7)
CLOCK FREQUENCYR7FA4: 48MHzR7FA4: 48MHz
ESP32-S3FN8: 240MHz
STORAGER7FA4: 256kB Flash, 32kB RAMR7FA4: 256kB Flash, 32kB RAM
ESP32-S3FN8: 384kB ROM, 512kB RAM, 8MB Flash
WIRELESS COMMUNICATIONNone2.4GHz WiFi + Bluetooth LE
OPERATING VOLTAGEOptions for 5V/3.3V, support more shields
POWER INPUT6~24V
RESET BUTTONLateral, easier to use when connecting with shield
IO PIN OUTPUT CURRENT8mA
DIGITAL PINS14
ANALOG PINS6
DAC2
PWM6
UART1
I2C1
SPI1
CAN1
DC JACKLow profile, shields won't be blocked anymore while connecting
POWER OUTPUT HEADERProvides 5V OR 3.3V power output and common-grounding with other boards
5V POWER OUTPUTUp to 2000mA Max, features higher driving capability
EXPERIMENTAL BOARDSupport, solder pad is provided for DIY interfaces to connect with experimental board

    

Onboard 12×8 Red LED Matrix

Supports Customisation Of Display Effect

What's On Board?

  1. R7FA4M1AB3CFM
  2. ESP32-S3-MINI-1 module
  3. MP8759
    5V voltage regulator
  4. TXB0108DQSR
    voltage translator, for communication between R7FA4 and ESP32-S3
  5. AMS1117-3.3
    3.3V voltage regulator
  6. DC input
    6V ~ 24V
  7. Qwiic connector
    for connecting I2C device of Qwiic Eco
  8. USB Type-C connector
    for uploading program OR serial port debugging
  9. Power output header
    3.3V OR 5V, voltage level configured by the onboard power configuration switch, used as power output and common-grounding with other boards

 

  1. ESP32-S3 pinheader
    for ESP32-S3-MINI-1 firmware downloading
  2. USB communication selection
  3. ICSP interface
  4. Power configuration
    for configuring R7FA4 PLUS B operating voltage
  5. Reset button
  6. Arduino interface
    compatible with standard Arduino interface, adapting 2.54 pitch solder pad, can be directly connected to experimental board
  7. User LED
  8. Serial port RX/TX indicators
  9. Power indicator
  10. 12×8 LED matrix

Pinout Definition

Outline Dimensions

What's in the box?

1 x Arduino Uno Rev 4 wifi compatible 
1 x USB Type-A to Type-C cable

Resources

Wiki: www.waveshare.com/wiki/R7FA4_PLUS_B

  • Availability: 9 In Stock
  • Model: WS R4 PlusB wifi
  • Brand: WaveShare