Wio Node was born with most of the features as its elder brother: An ESP8266 based open-source Wi-Fi development board Supports Plug-n-Play Groves Visual Configuration OTA (Over-The-Air) Firmware Updates RESTful APIs IFTTT Application Android & iOS APPs
Features Cheaper, lighter, smaller, and simpler Built around ESP 8266 Wifi module Supports Plug-n-Play Groves Visual Configuration OTA (Over-The-Air) Firmware Updates RESTful APIs IFTTT Application Android & iOS APPs
Specification Wi-Fi Network Protocol: 802.11b/g/n Wi-Fi Encryption Technologies: WEP/TKIP/AES Expansion (2x Grove Connectors): UART0/I2C0/D0, Analog/I2C1/D1 Input Voltage: Battery holder: 3.0~4.2V, Micro USB: 5V Operating Voltage: 3V3 Maximum Charge Current: 500mA Digital I/O Pins: 4 Analog Input Pins:1 DC Current PER I/O PIN: 12mA Flash Memory: 4MByte (W25Q32B) Frequency of Crystal: 26MHz Dimensions: 28mm x 28mm