Seeeduino Lite
Seeeduino Lite is a microcontroller based on ATmega32U4. Just like Arduino Leonardo,
it saves a secondary processor needed for USB to serial communication. And this
allows Seeeduino Lite appear to computer as a USB device, like keyboard and mouse.
Derived from Leonardo, we also merged custom details of Seeeduino series into
Seeeduino Lite, like selectable operating voltage, onboard Grove connectors and so on.
It has 20 digital I/Os (7 of which can output PWM),a micro USB connection, a power
jack, an ICSP header, and a reset button. It contains everything needed to support the
microcontroller; simply connect it to a computer with a USB cable or power it with a ACto-DC adapter to get started.
Specifications
Microcontroller: ATmega32u4
Operating Voltage: 5V
Input Voltage (recommended): 7-12V
Input Voltage (limits): 6-20V
Digital I/O Pins: 20
PWM Channels: 7
Analog Input Channels: 12
DC Current per I/O Pin: 40 mA
DC Current for 3.3V Pin: 50 mA
Flash Memory: 32 KB (ATmega32u4) of which 4 KB used by bootloader
SRAM: 2.5 KB (ATmega32u4)
EEPROM: 1 KB (ATmega32u4)
Clock Speed: 16 MHz
Interface
U1: 78M05 IC, Three-terminal positive voltage regulator.
U3: LD1117 IC, a Low Drop Voltage Regulator able to provide up to 800mA of Output
Current.
U5: Atmega32U4 IC, 8-bit AVR Microcontroller with 32K Bytes of ISP Flash and USB
Controller.
Driver Installation
Note
If this is your first time using Arduino, we highly recommend you to refer to Getting
Started with Arduino
Download the driver files from here https://github.com/SeeedStudio/Signed_USB_Serial_Driver.
Connect Seeeduino Lite to your computer via a micro-USB wire.
Wait for the new found hardware prompt.If the installer does not launch automatically,
Navigate to the Windows Device Manager and find the Seeeduino Lite listing.
Right click and choose Update driver. When asked to install automatically or from a
specific location, select "Browse my computer for driver software".
Choose "Search for the best driver in these locations", and check the box "incude this
location in the search". Click the Browse button and navigate to drive you have
downloaded. Select the drivers folder an click OK.
Replace two file in the path of Arduino. Open up Arduino1.0.1/hardware/arduino/cores/arduino directory, replace the file:USBCore.cpp with the
new USBCore.cpp.And replace file:boards.txt with the new boards.txt in the
path:Arduino-1.0.1/hardware/arduino. Now, you can program and use the seeeduino lite
as you use other Arduino boards.
Tech Support
Please submit any technical issue into our forum or drop mail to techsupport@seeed.cc.
http://wiki.seeedstudio.com/Seeeduino_Lite/2‐6‐19
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