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. 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. 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 https://elecena.pl/product/27742387/dfrobot-beetle-esp32-microcontroller 2025-01-23 https://elecena.pl/product/27742387/dfrobot-beetle-esp32-microcontroller 2026-02-23 https://elecena.pl/product/27742387/dfrobot-beetle-esp32-microcontroller 2026-03-05 https://elecena.pl/product/27742387/dfrobot-beetle-esp32-microcontroller 2026-03-14 https://elecena.pl/product/27742387/dfrobot-beetle-esp32-microcontroller 2026-03-18 https://elecena.pl/product/27742387/dfrobot-beetle-esp32-microcontroller 2026-03-31 https://elecena.pl/product/27742387/dfrobot-beetle-esp32-microcontroller 2026-04-05 https://elecena.pl/product/27742387/dfrobot-beetle-esp32-microcontroller 2026-04-12 https://elecena.pl/product/27742387/dfrobot-beetle-esp32-microcontroller 2026-04-16