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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. |
The small size and high performance makes FireBeetle become idea solution for IOT low power consumption projects.
ESP32 Bluetooth(BLE) Temperature Sensor
Brew Probe - WiFi Temperature Monitor
The system will be placed on my balcony and will retrieve temperature, humidity and air pressure. For this project you will need:
Project 2. How to Make a Smart Colorful Light
Today we will teach you How to Make a Smart Colorful Light Based On FireBeetle ESP32 IOT Microcontroller.
Hardware in need:
Project 3. How To Make a Step-Counter By Use Of The FireBeetle Board-ESP32
Project 6. How to Make an Temperature Measurement Gun
An Application Tutorial of FireBeetle ESP32 Make an Temperature Measurement Gun with Noncontact IR Temperature Sensor MLX90614
Hardware List
Project 7. How to Make an Mail Alarm
This time using a PIR sensor and an ESP32 to send an email every time that movement is detected.