--\nOur eBay Store\n\nDFRobot DFR0575 Beetle ESP32 Microcontroller\n\nProduct Details\n\nThe Beetle-ESP32 Microcontroller is only 35 x 34mm (1.38 x 1.34in.) in size and is a simplified version of FireBeetle-ESP32, specially designed for electronic engineering fans and DIY lovers. It is equipped with 4 analogue ports, 4 digital ports, UART and I2C interfaces, making it a perfect replacement for many physically larger boards.\nThe microcontroller enables users to directly burn programs via the on-board USB interface and has Bluetooth and WIFI integrated in the microcontroller for supporting more applications.\n--Features:\n--Small size: only 35 x 34mm\n--Directly download and debug programs via Micro USB without a programmer\n--Large-scale I/O ports with gold plating, easy to twist wire on it or sew on to clothes with wires, no need to solder\n--A group of gold plated power interfaces of honeycomb type, convenient to use\n--Integrated WIFI and Bluetooth \n\n--Specification:\n--USB supp;