low-cost WiFi solution programmable with the Lua scripting language • on-board USB-serial adaptor • PCB antenna (no external antenna required) • 10 GPIO pins, each GPIO can be PWM, I2C, 1-wire • breadboard compatible • powered via microB USB, operating voltage: 5 VDC (USB) • dimensions: 5.8 x 3.2 x 1.2 cm • weight: 12 g
