UNO R3 DIY Arduino Starter Kits , Analog Display Kit For Arduino
1.UNO R3 board*1
6.XY joystick module*1
7.Soil moisture sensor*1
8.Water level sensor*1
9.Temp and humidity sensor*1
11.LM35 temp sensor*1
16.3PIN sensor wire*5
19. Plastic packing box*1
UNO R3 2012 a new easy-to-use open source controller, hardware
compared with theUNO and no major changes, the biggest difference
isthat the USB-to-serial circuit part, instead, is a ATMega16U2
microcontroller, which costimproved software part before, there are
1 pin of changes: next to the AREF pin both I2C-pin (SDA and SCL,
just Analog 4 and 5 of the copy, not the additional I2C interface),
plus thetwo next to the RESET pin, one IOREF allow expansion board
voltage onboard, this pin expansion board just told the onboard
voltage (such as UNO 5V, can be seen as the power pins copy, does
not provide the level pull), the other is later Scratch placeholder
2 more stable RESET circuit. The RESET key position has changed,
has been moved to the corner near the USB interface board, more
convenient and press.
The 3. ATmega16U2 instead 8U2, and this does not mean that the 16K
flash of R3 to make your code run faster, this update is a service
ofthe USB interface chip, theoretically It UNO can simulate USB the
HID, such as MIDI / Joystick / Keyboard.
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