ESP32

Compact ESP32 DevKit with USB‑C (CH340C), dual‑core Xtensa LX6 at 80–240 MHz, 2.4 GHz Wi‑Fi 802.11 b/g/n & Bluetooth 4.2 + BLE, 4 MB SPI flash, ample GPIOs (UART/SPI/I2C/ADC/DAC/touch), ultra‑low sleep current (< 5 µA), and cross‑platform support (Arduino IDE, ESP‑IDF, MicroPython). Ideal for Sri Lankan IoT, robotics & smart‑home projects.