$USD
  • EUR€
  • £GBP
  • $USD
SELECTION GUIDE IoT Arduino ESP8266

DFRobot Internet of Things Microcontrollor Selection Guide

DFRobot Dec 29 2018 66

Internet of Things Microcontrollor Selection Guide


Name WiDo
Beetle ESP32
FireBeetle ESP8266
FireBeetle ESP32
SKU DFR0321
DFR0575 DFR0489
DFR0478
Microcontroller
CC3000
ESP32 ESP8266
ESP32
Power supply interface
USB or DC2.1
USB USB or 3.7V Lipo
USB or 3.7V Lipo
USB Powered or External (V)
7 - 12
3.5 - 6.5
3.3 - 5.0
3.3 - 5.0
Operating Voltage (V)
5V
3.3V 3.3V
3.3V
CPU Frequency (MHz)
16
240
160
240
Flash(M)
-
16
16
16
SRAM(KB)
- 520 50 520
Analog pins
6 4 1 5
Digital pins
14 4 10 10
Wi-Fi protocol
802.11b/g 802.11b/g/n 802.11b/g/n 802.11b/g/n
Frequency range
2.4 GHz 2.4 - 2.5 GHz 2.4 - 2.5 GHz 2.4 - 2.5 GHz
UART
1 1 1 1
I2C
1
1
1
1
I2S
1
1 1 1
SPI 1
1
1
1
Compatible IDE
Arduino IDE 1.6+
Arduino IDE 1.6+
Arduino IDE 1.6+
Arduino IDE 1.6+
Download Mode
Micro USB
Micro USB
Micro USB
Micro USB
Arduino UNO Compatible

×
×
×
Lipo Charger Support
×



Dimension(mm)
75*54
35*34
58*29
58*29
 Weight (g)
30 g 12 g 24 g 24 g
Price($)
$29.9 $14.9
$11.9
$18.9
Key Features

On board 2.4G PCB Antenna

and SD card slot.

 Integrate a Dual-Core ESP-WROOM-32 module. Support MCU and Wi-Fi &Bluetooth dual-mode communication. V shaped gilded I/O interface, can be sewn on clothes directly.
Arduino、RTOS、microPython Programming Support. Built-in 32-bit Tensilica L106 MCU and 10-bit ADC.
Mobile BLE APP Connection Support. Two way H-bridged Motor Driver with 2A maximum current and wireless socket.

REVIEW