Arduino
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Arduino UNO R4 WiFi Original
1 Pin - Male to Female Jumper Wire - 12 Inch/30.5cm - Pack of 100 PCS Description : These wires are commonly used for prototy..
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250 Meter Multicolor Circuit Wrapping Wire - PVC Insulated -Tinned Copper Wire - 30AWG Wrapping Wire is suitable for Flexible and insulation wrap..
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F-F Jumper Wire - Set of 40 - 2.54mm - 20cm LengthSet of 40 jumper wires with female connector at both ends. Allow you to easily prototype with ..
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F-M Jumper Wire - 20cm Length - 2.54mm - Set of 40Set of 40 jumper wires with female connector at one end and male connector on other. Allo..
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Male to Male Jumper Wires - 1 Pin - Set of 65 Wires - Mix colors - Mix LengthThis is a set of 65 pcs male-to-male high-quality jumper wires cables..
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Male to Male Jumper Wires - 20cm Length - 2.54mm - Set of 40 Set of 40 jumper wires with male connector at both ends. Allow you to..
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2 Pin Shunt - 2.54mm Pitch - Jumper Cap - Yellow ColorPackage Includes : 10x Yellow Jumper Cap 2.54mm
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400 Tie Points - Solderless BreadboardHigh Quality breadboard with power lanes and printed top face for easy prototyping.Specifications..
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Arduino UNO R4 WiFi
The Arduino UNO R4 WiFi is the first UNO board to feature a 32-bit microcontroller and an ESP32-S3 Wi-Fi® module (ESP32-S3-MINI-1-N8). It features a RA4M1 series microcontroller from Renesas (R7FA4M1AB3CFM#AA0), based on a 48 MHz Arm® Cortex®-M4 microprocessor. The UNO R4 WiFi's memory is larger than its predecessors, with 256 kB flash, 32 kB SRAM and 8 kB of EEPROM.
The RA4M1's operating voltage is fixed at 5 V, whereas the ESP32-S3 module is 3.3 V. Communication between these two MCUs is performed via a logic-level translator (TXB0108DQSR).
Features
Overview
- 48 MHz Arm® Cortex®-M4 microprocessor with a floating point unit (FPU)
- 5 V operating voltage
- Real-time Clock (RTC)
- Memory Protection Unit (MPU)
- Digital-to-analog Converter (DAC)
Memory
- 256 kB Flash Memory
- 32 kB SRAM
- 8 kB Data Memory (EEPROM)
Peripherals
- Capacitive Touch Sensing Unit (CTSU)
- USB 2.0 Full-Speed Module (USBFS)
- 14-bit ADC
- Up to 12-bit DAC
- Operational Amplifier (OPAMP)
Power
- Operating voltage for RA4M1 is 5 V
- Recommended input voltage (VIN) is 6-24 V
- Barrel jack connected to VIN pin (6-24 V)
- Power via USB-C® at 5 V
Communication
- 1x UART (pin D0, D1)
- 1x SPI (pin D10-D13, ICSP header)
- 1x I2C (pin A4, A5, SDA, SCL)
- 1x CAN (pin D4, D5, external transceiver is required)
- Package Includes : 1x Arduino UNO R4 WiFi
Specifications
| Microcontroller | Renesas RA4M1 (Arm® Cortex®-M4) | |
| USB | USB-C® | Programming Port |
| Pins | Digital I/O Pins | 14 |
| Pins | Analog input pins | 6 |
| DAC | 1 | |
| PWM pins | 6 | |
| Communication | UART | Yes, 1x |
| I2C | Yes, 1x | |
| SPI | Yes, 1x | |
| CAN | Yes 1 CAN Bus | |
| Power | Circuit operating voltage | 5 V (ESP32-S3 is 3.3 V) |
| Input voltage (VIN) | 6-24 V | |
| DC Current per I/O Pin | 8 mA | |
| Clock speed | Main core | 48 MHz |
| ESP32-S3 | up to 240 MHz | |
| Memory | RA4M1 | 256 kB Flash, 32 kB RAM |
| ESP32-S3 | 384 kB ROM, 512 kB SRAM | |
| Dimensions | Width | 68.85 mm |
| Length | 53.34 mm | |
