ESPRESSIF(ESP)

The Arduino UNO R4 WiFi merges the RA4M1 microprocessor from Renesas with the ESP32-S3 from Espressif, creating an all-in-one tool for makers with enhanced processing power and a diverse array of new peripherals. With its built-in Wi-Fi® and Bluetooth® capabilities, the UNO R4 WiFi enables makers to venture into boundless creative possibilities. Furthermore, this versatile board boasts a convenient on-board 12×8 LED matrix and a Qwiic connector, offering ample space for innovation and unleashing creativity. This dynamic combination empowers makers to transform their ideas into reality and elevate their projects to unprecedented heights.

• Built in Wi-Fi module of standard 802.11
• Wi-Fi module operate in range of 2.4 GHz – 2.5 GHz
• Three modes of operation: 1. Access point. 2. Client. 3. Access point + station
• Dual core microprocessor of 32 – bit
• Operating voltage is 3.3 V
• Clock frequency from 80 MHz and goes up to 240 MHz
• SRAM memory is of 512 KB
• ROM memory is 448 KB
• External flash memory is supported and is up to 32 Mb i.e. 4MB
• Maximum current in each pin is 12 mA but 6 mA is recommended to use
• It has 36 general purpose input / output pins
• General purpose input / output pins comes up with PWM / I2C and SPI functionality
• Bluetooth version 4.2 is available and Bluetooth low energy (BLE) version
• 2 to 3.6 V operating voltage
• Deep sleep current of 2.5 µA
• 10 electrode capacitive touch support
• Hardware supported encryption for AES, ECC, RSA – 4096, SHA2
• On board PCB antenna or IPEX connector which act as external antenna
• Operating temperature lies in range of -40°C to +125°C