seeed studio Wio Node

seeed studio Wio Node

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