The Pinenut-01S module offers a complete and self-contained Wi-Fi and BLE networking solution, allowing it to either host the application or to offload all Wi-Fi and Bluetooth networking functions to another application processor. Features: Build-in antenna Powered by Pineseed BL602 SoC 2MBytes Flash Size Serial/UART baud rate: 115200 bps Input power: 3.3V I/O voltage tolerance: 3.6V Max Eight pins interface, VCC-3V3, GND, RST TXD and RXD. Three extra GPIOs can be used for ADC, PWM, i2C, or UART functions Build in three LEDs output and one push button switch input Dimension: 14.3 x 24.8mm Pinenut-01S Schematic Diagram Pinenut-01S GPIO Pin Definition Warranty: 30 days