Microcontroller (Small Size) Selection Guide

Product Name

Beetle

DFRduino Pro Mini V1.3 16M5V328

DFRduino Pro Mini V1.3 - 8M3.3V328 (Discontinued)

Dreamer Nano V4.1

DFRduino Nano

Bluno Nano

Figure

SKU

DFR0282

DFR0159

DFR0132

DFR0213

DFR0010

DFR0296

Processor

ATmega32u4

ATmega328

ATmega328

ATmega32u4

ATmega328

ATmega328

Board Type

Arduino Leonardo

Arduino Pro Mini(16M)

Arduino Pro Mini(8M)

Arduino Leonardo

Arduino Nano/ATmega328

Arduino UNO

Operating Voltage (voltage / input voltage)

5 V/3-5 V

5 V/3.6-8 V

3.3 V/3.6-8 V

5 V/7-12 V

5 V/7-12 V

5 V/7-12 V

CPU Frequency

16MHz

16MHz

8MHz

16MHz

16MHz

16MHz

Flash[KB]

32

32

32

32

32

32

Analog Ports (Input / output)

5 / 0

8 / 0

8 / 0

12 / 0

8 / 0

6 / 0

Digital Ports (IO/PWM)

10 / 4

14 / 6

14 / 6

20 / 7

14 / 6

14 / 6

UART

1

1

1

2

1

1

I2C

1

1

1

1

1

1

Download

Micro USB

FTDI Downloader

FTDI Downloader

Micro USB

Mini USB

Micro USB

Dimension

20 x 22mm

33 x 18mm

33 x 18mm

45 x 20mm

47 x 19mm

53 x 19mm

Features

*The beetle is one of the smallest Arduino Leonardo board. *It is compatible with Micro USB so that direct programming and testing is no longer a headache. *Suitable for artists and designers to make small and delicate Arduino works.

*DFRduino Pro Mini is small but powerful. It has a strong chip. *It performs well even compared with Arduino boards of standard size. *It can be widely applied to flight controllers, small machines. And it can satisfy people's special requirements for size.

*The only difference between the DFRduino Pro Mini V1.3(8M3.3V328) and Pro Mini V1.3 (16M5V328) is that the later has an operating voltage of 3.3V. *Both of them have 2 analogs I/O than normal main controllers.

*The ATmega32u4 chip used by the DFRduino Nano. It looks like the Nano, but the function is more powerful. *It is the most IO port and UART master controller in microcontrollers. *It can be widely applied to dual-string communication systems.

*DFRduino Nano adopts ATmega328, which is totally compatible with Arduino Nano. *It is suitable for all scenarios that need to be compatible with Arduino UNO or DFRduino UNO.

*Bluno Nano is a mini Arduino master with Bluetooth 4.0. *It brings more possibilities and freedom to the development of Android and IOS mobile applications. *It is suitable for Bluetooth developers with special size requirements.

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