Komponenten & Zubehör
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The RedBearLab Wi-Fi Micro is made based on CC3200 module by Texas Instruments (TI). The target MCU is TI CC3200, the industry’s first single-chipARM Cortex-M4 core MCU with built-in Wi-Fi connectivity. With on-chip Wi-Fi, Internet, and robust security protocols, no prior Wi-Fi experience is required for faster development. They are offered to make you quickly produce prototypes and demos target for not only Internet of Thing (IoT) but also many other exciting and interesting projects. Such as Wi-Fi camera, Wi-Fi Audio, TFTP Client, TCP/IP OR UDP Server/Client, Http Server, XMPP Client, mDNS, etc.
This is with MK20 USB board version, if you need it, please visit Wi-Fi Micro.
CC3200 Wi-Fi consists of applications microcontroller, Wi-Fi network processor, and power-management subsystems:
Applications Microcontroller Subsystem
Wi-Fi Network Processor Subsystem
The power-management subsystem includes integrated DC-DC converters supporting a wide range of supply voltages. This subsystem enables low-power consumption modes, such as the hibernate with RTC mode requiring less than 7uA of current.
|Operating Voltage||2.3V to 3.6V|
A: 2.3V - 3.6V
B: 3.3V - 5.5V (VIN)
Cause: Use either one power source at a time, otherwise you will damage the board.
Wireless LAN (802.11 b/g/n @2.4GHz)
Micro USB (CDC, virtual COM port)
|Flash Memory||1MB (External Flash in Module)|
The MK20 (Freescale MK20DX128VFM5) USB board acts as a dongle, it accepts 5V from USB port and regulates to 3.3V via the onboard LDO which can be used to power BLE Nano. It appears on your computer as both a serial port and a removable mass storage disk. Please refer to the guide Getting Started with BLE Nano to learn how to deploy firmware using MK20 USB board.
Since the BLE Nano can work as low as 1.8V, we have designed the MK20 USB board to run at 1.8V as well, simple short the switch S, then the regulator will outputs 1.8V instead. This would allow your BLE Nano to work with 1.8V components.
We have prepared a detail guide Getting Started with RedBearLab Wi-Fi Micro to show you how to upload firmware to Wi-Fi Micro using Energia IDE.