For UNO R3 Single Chip ATmega16U2 AVR USB Board Module For A

Detailed Information About The Product:

Pin changes: Two I2C pins SDA and SCL just a copy of Analog 4 and 5 not an additional I2C interface are added beside the AREF pin and two pins are also added beside RESETone is IOREFwhich can make the expansion board adapt to the on-board voltage. This pin just tells the expansion board what the current on-board voltage is for examplefor UNO is 5V which can be regarded as a copy of the pow er pin and does not provide level pull-up and the other is the future Standby pins to be used.
More stable RESET circuit. The position of the RESET b utton has also changed and it has been moved to the corner of the board near the USB interface making it easier to press.
ATmega16U2 repla ces 8U2 this does not mean that R3 with 16K flash can make your code run faster this update is for the service of USB interface chip theoretically it allows for UNO to simulate USB HID such as MIDI/ Joystick/Keyboard.
Open the circuit diagram of the design the development software interface is free to download and you can also modify it yourself according to your needs. The download procedure is simple and convenient. You can simply use sensors connect various electronic components such as: LED lights buzzers b uttons photoresistors etc. to make a variety of interesting works.
Using a high-speed microprocessor controller ATMEGA328 the development operation interface and environment are very simple and easy to understand which is very suitable for beginners to learn.

Microcontroller ATmega328
Operating Voltage 5V
Input Voltage recommended 7-12V
Input Voltage limits 6-20V
Digital I/O Pins 14 of which 6 provide PWM output
Analog Input Pins 6
DC Current per I/O Pin 40 mA
DC Current for 3.3V Pin 50 mA
Flash Memory 32 KB ATmega328 of which 0.5 KB used by bootloader
SRAM 2 KB ATmega328
EEPROM 1 KB ATmega328
Clock Speed 16 MHz
Colour:blue
Material: PCB
Size:10 x 5 x 3CM

Package Contents:
1 x Open Source Controller
1 x USB Cable

Only the above package content other products are not included.
Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.
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