Is the FireBeetle ESP32 IoT Microcontroller too bulky for your compact project? Meet the newly launched Beetle ESP32 Microcontroller, a specialized IoT Microcontroller designed with a mini footprint of just 1.38” × 1.34”. This ultra-compact version of the FireBeetle ESP32 is perfect for DIY makers and electronics engineers. The Beetle ESP32 Microcontroller offers a simplified form with 4 analog ports, 4 digital ports, UART, and I2C interfaces, making it an ideal IoT Microcontroller alternative to larger boards. Features Mini size: Just 35mm × 34mm Beetle ESP32 Microcontroller dimensions Plug-and-play: Supports IoT Microcontroller programming via Micro USB, no external programmer required Gold-plated I/O ports: Easy to connect wires to the Beetle ESP32 Microcontroller or sew onto fabric Honeycomb-style power interfaces: Simplify wiring and IoT Microcontroller integration Built-in Wi-Fi and Bluetooth: Ideal for FireBeetle ESP32 style IoT applications Specifications USB Supply Voltage: 5.0V for Beetle ESP32 Microcontroller VIN Supply Voltage: DC 3.5~6.5V IoT Microcontroller input Processor: Tensilica LX6 dual-core, similar to FireBeetle ESP32 for independent programming Frequency: 240MHz Beetle ESP32 Microcontroller clock speed SRAM: 520KB IoT Microcontroller memory Flash: 16Mbit Beetle ESP32 Microcontroller flash Wi-Fi Protocol: 802.11 b/g/n/d/e/i/k/r (Up to 150 Mbps, IoT Microcontroller support) Bluetooth: Compliant with Bluetooth v4.2 (BR/EDR/BLE) Digital Pins: D2, D3, D4, D7 on Beetle ESP32 Microcontroller Analog Pins: A0, A1, A2, A3 for IoT Microcontroller sensors I2C Interface: 1 on Beetle ESP32 Microcontroller UART: 1 IoT Microcontroller serial port Dimensions: 35mm × 34mm / 1.38” × 1.34” IoT Microcontroller Comparison Table This table compares the Beetle ESP32 with other IoT Microcontroller boards such as WiDo, FireBeetle ESP8266, and FireBeetle ESP32, highlighting why this Beetle ESP32 Microcontroller is superior for compact designs. Name WiDo Beetle ESP32 FireBeetle ESP8266 FireBeetle ESP32 SKU DFR0321 DFR0575 DFR0489 DFR0478 Microcontroller CC3000 ESP32 ESP8266 ESP32 Flash (Mbit) – 16 16 16 SRAM (KB) – 520 50 520 Analog Pins 6 4 1 5 Digital Pins 14 4 11 10 UART / I2C / SPI 1 / 1 / 1 1 / 1 / 1 1 / 1 / 1 1 / 1 / 1 Wi-Fi Protocol 802.11b/g 802.11b/g/n 802.11b/g/n 802.11b/g/n Bluetooth ✗ Yes (v4.2) ✗ Yes (BLE + APP) CPU Frequency (MHz) 16 240 160 240 Power Supply USB / DC2.1 USB USB or 3.7V LiPo USB or 3.7V LiPo USB Voltage (V) 5V 3.5 – 6.5V 3.3 – 5.0V 3.3 – 5.0V Dimension (mm) 75 × 54 35 × 34 58 × 29 58 × 29 Weight (g) 30 12 24 24 Project Example Installing the Beetle ESP32 Microcontroller Board in Arduino IDE – DFRobotIncludes a step-by-step video tutorial on how to install and configure the IoT Microcontroller board using Arduino IDE. Shipping List 1× Beetle ESP32 Microcontroller Reference Product wiki for Beetle ESP32 Microcontroller
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