Is FireBeetle-ESP32 too big for your projects? Why not try our newly launched Beetle-ESP32. This Beetle-ESP32 Microcontroller of 1.38”×1.34”small size is a simplified version of FireBeetle-ESP32 and specially designed for electronic engineering fans and DIY lovers. It is equipped with 4 analog ports, 4 digital ports, UART and I2C interfaces, which would be a perfect replacement of FireBeetle-ESP32.JavaScript display// 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. You may also check Bluetooth microcontrollor selection guide to get more information. This microcontroller enables users to directly burn programs via the on-board USB interface. Meanwhile, Bluetooth and WIFI are integrated in the microcontroller for supporting more applications. With this Beetle-ESP32, you can easily build up your dreaming project. Installing the ESP32 Board in Arduino IDE - DFRobot Features: A small size of 35mm×34mm Enable users to directly download and debug programs through Micro USB, free from programmer. Large-scale I/O ports with gold plating, easy to screw wire on it or to sew the board on the clothes with wires, no need to solder. A group of gold plating power interfaces of honeycomb type, convenient to use. Integrate WIFI and Bluetooth Specification: USB Supply Voltage: 5.0V VIN Supply Voltage: DC 3.5-6.5V Processor: Tensilica LX6 dual-core processor (One for high speed connection; one for independent programing) Frequency: 240MHz SRAM: 520KB Flash: 16Mbit Wi-Fi Standard: FCC/CE/TELEC/KCC Wi-Fi Protocol: 802.11 b/g/n/d/e/i/k/r（802.11n, high speed can reach to 150 Mbps), converge A-MPDU and A-MSDU, supporting 0.4us protecting interval. Frequency Range: 2.4~2.5GHz Bluetooth Protocol: comply with BR/EDR/BLE standard of Bluetooth v4.2. On-chip Clock: 40MHz crystal and 32.768 KHz crystal Digital Interface: D2, D3, D4, D7 Analog Interface: A0, A1, A2, A3 I2C: 1 Serial Port: 1 Dimension: 35×34mm/1.38×1.34" Documents: Product wiki More Documents Product Includes: Beetle ESP32 Microcontroller x1
