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
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
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
Arduino Uno Rev3 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
Arduino Leonardo with Headers 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
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.
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 (USB-C) Special Features None Shield Compatibility Yes Price (Europe/Africa) €48,00 (Sold Out) Price (Asia/America/Oceania) $54.00 (Sold Out)
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 Micro
Arduino Micro 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 Limited Price (Europe/Africa) €21.60 Price (Asia/America/Oceania) $24.90
Use Cases Description Simple Projects LED blinking, basic sensors IoT Projects Possible with external Wi-Fi/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
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