• 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