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[ Description ]
Keyestudio 5V Leonardo R3 Development Board + Usb Cable KE-0011
Note: If you use Arduino IDE software, you need to click tool and select the corresponding Arduino development board. If you do not select the correct development board type, the compilation will not be transferred normally. Therefore, this is a problem that requires special attention. We offer technical support services, so if you have any questions, please feel free to contact us. ■ KEYESTUDIO LEONARDO R3 is completely compatible with the official version, has the same circuit sequence as the official. FCC and CE certification, and is made from environmentally friendly production technology and materials. We perform function, voltage, and current tests before. ■ This is the latest open source controller. Equipped with cute yellow black design and 23 digital I/O ports, 7 PWM ports and 12 analog input port ■ 5V digital/analog port maximum allowable current: 40 mA, and 3.3V digital/analog port: 50mA 。 Voltage used: 5V; input voltage (recommended): 7-12V ■ [KEYESTUDIO Technical Support] If you have any problems during use, please feel free to contact us and we will support you quickly. There is a complete online graphic description of this product, and you can find a detailed English user manual by searching for Keyestudio KS0248 on Google Chrome. ■ specification
Controller: Atmega32U4
Work frequency: 16 MHz /O Port: 23
PWM channel: 7
Input of analog: 12
5V digital/analog port maximum allowable current: 40 MA < BR> Flash Memory: 4 KB
SRAM: 2.5KB (Atmega32U4)
EEPROM: 1KB (Atmega32U4) Procedure
Digital IO port: 23 (D0-D13, D14-Miso, D15-SCK, D16-MOSI, D18-23 [A0-A5])
Analog input: 12 (12 A0 ~ A5, D4 ~ A6, D6 ~ A7, D8 ~ A8, D9 ~ A9, D10 ~ A10, D12 ~ A11) Serial communication: D0 (RX) and D1 (TX)
IIC communication: D2 (SDA) And D3 (SCL)
External interrupt: D3 (interrupt 0), D2 (interrupt 1), D0 (interrupt 2), D1 (interrupt 3), D7 (interrupt 4)
PWM port: D3, D5, D6
【important】---------------------------------------------------------------------------------
To all buyers residing in the United States
If you purchase a product over 800 USD,
After confirming your tax identification number etc. before shipping.
It will be shipped.
If you do not submit your tax identification number, your order may be cancelled. Please note.
【important】---------------------------------------------------------------------------------
Authenticity: 100% AUTHENTIC!
We have multiple items in stock.
The product may differ from the photo and used product.
Please feel free to contact us for details such as size, color, scratches, stains, product rank, etc.
To avoid troubles, please purchase the product after you understand and confirm the condition of the product.
[ About Outlet Products ]
Outlet products are available as well.
It is possible that materials, fabrics or other details of these items may be different from the original ones even if they have the same model numbers.
In addition, it may happen that some stains or scratches cannot be repaired.
Please note that outlet products will not be acceptable for after-sales service.
Thank you for your understanding.
[ Country of Manufacture ]
If there is no description of Made in Japan on the listing page,
Products are manufactured in other countries (other than Japan, such as China and Vietnam).
[ Manual & Menu Language ]
Most of our products are items used in the Japanese market.
So the item only has Japanese manual and menu language.
If you need a manual or menu in English or your country's language, please obtain it yourself from the official website.
[ Electronics ]
Japan Voltage : 100V
Please check your country's voltage before order. Buyer may need down transfomer to use our item,
Because most of country's voltage is higher than 100V.
Plug: TypeA
Please check your country's plug. Buyer may need exchange plug.
[ International Buyers - Please Note ]
Import duties, taxes and charges are not included in the item price or shipping charges.
These charges are the buyer's responsibility.
Please check with your country's customs office to determine what
these additional costs will be prior to bidding/buying.
These charges are normally collected by the delivering freight (shipping) company or
when you pick the item up - do not confuse them for additional shipping charges.
We do not mark merchandise values below value or mark items as "gifts"
US and International government regulations prohibit such behavior.
[ Shipping Method ]
worldwide with tracking number.FedEx Fast Shipping or Japan Post.
3-10 business days after shipping.
(Tracking number + insurance.)