Members of the Mechatronics Club at ENSA Kenitra and I have did some case studies on every Arduino board from Classic Family. This article is our conclusion on Arduino Classic Boards, covering specifications, use cases, and difficulty levels from Beginners to Professionals. I have discussed on Nano boards, MKR boards and Mega boards as well.
Arduino UNO R4 Minima
Specification
Details
Microcontroller
RA4M1
Clock Speed
48 MHz
Digital I/O Pins
14 (6 PWM)
Analog Input Pins
6
PWM Channels
6
Flash Memory
128 KB
SRAM
16 KB
EEPROM
None
Operating Voltage
5V
Connectivity
None
Power Consumption
TBD
USB Ports
1 (Type C)
Special Features
None
Shield Compatibility
Yes
Price (Europe/Africa)
€18.00
Price (Asia/America/Oceania)
$20.00
Use Cases
Description
Simple Projects
LED blinking, basic sensors
IoT Projects
Possible with external WiFi/Bluetooth modules
Robotics
Suitable for basic robotics
Wearables
Not recommended
Data Logging
Suitable with additional shields
Advanced Prototyping
Basic level
User Profiles
Description
Beginners
Yes
Intermediate Users
Yes
Advanced Users
Limited
Professionals
Limited
Arduino UNO R4 WiFi
Specification
Details
Microcontroller
RA4M1
Clock Speed
48 MHz
Digital I/O Pins
14 (6 PWM)
Analog Input Pins
6
PWM Channels
6
Flash Memory
128 KB
SRAM
16 KB
EEPROM
None
Operating Voltage
5V
Connectivity
WiFi, Bluetooth
Power Consumption
TBD
USB Ports
1 (Type C)
Special Features
Built-in LED matrix, IMU
Shield Compatibility
Yes
Price (Europe/Africa)
€25.00
Price (Asia/America/Oceania)
$27.50
Use Cases
Description
Simple Projects
LED blinking, basic sensors
IoT Projects
Home automation, connected devices
Robotics
Suitable for basic robotics
Wearables
Yes
Data Logging
Suitable with additional shields
Advanced Prototyping
Basic level
User Profiles
Description
Beginners
Yes
Intermediate Users
Yes
Advanced Users
Yes
Professionals
Limited
Arduino UNO R3
Specification
Details
Microcontroller
ATmega328P
Clock Speed
16 MHz
Digital I/O Pins
14 (6 PWM)
Analog Input Pins
6
PWM Channels
6
Flash Memory
32 KB
SRAM
2 KB
EEPROM
1 KB
Operating Voltage
5V
Connectivity
None
Power Consumption
19 mA
USB Ports
1 (Type B)
Special Features
None
Shield Compatibility
Yes
Price (Europe/Africa)
€24,00
Price (Asia/America/Oceania)
$27.60
Use Cases
Description
Simple Projects
LED blinking, basic sensors
IoT Projects
Possible with external Wi-Fi/Bluetooth modules
Robotics
Suitable for basic robotics
Wearables
Not recommended
Data Logging
Suitable with additional shields
Advanced Prototyping
Basic level
User Profiles
Description
Beginners
Yes
Intermediate Users
Yes
Advanced Users
Limited
Professionals
Limited
Arduino Leonardo
Specification
Details
Microcontroller
ATmega32u4
Clock Speed
16 MHz
Digital I/O Pins
20 (7 PWM)
Analog Input Pins
12
PWM Channels
7
Flash Memory
32 KB
SRAM
2.5 KB
EEPROM
1 KB
Operating Voltage
5V
Connectivity
None
Power Consumption
20 mA
USB Ports
1 (Micro-USB)
Special Features
Built-in USB communication
Shield Compatibility
Yes
Price (Europe/Africa)
€48,00
Price (Asia/America/Oceania)
$54.00
Use Cases
Description
Simple Projects
LED blinking, basic sensors
IoT Projects
Possible with external WiFi/Bluetooth modules
Robotics
Suitable for basic robotics
Wearables
Yes
Data Logging
Suitable with additional shields
Advanced Prototyping
Basic level
User Profiles
Description
Beginners
Yes
Intermediate Users
Yes
Advanced Users
Limited
Professionals
Limited
Arduino UNO Mini Limited Edition
Note: We have not personally tested this board; the information provided is based on feedback from individuals who have owned and tested it.
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