5Pcs Development Board
34
Direct purchase from the factory 
Guaranteed Safe Checkout
Free Gift
Shipping Policy
Return PolicyFree Gift
Welcome to Roymall, your professional website for purchasing premium department store gifts. We highly value and appreciate your support, and we want to express our gratitude by adding an extra touch of excitement to your purchases. When you shop with us, you not only get to enjoy high-quality products that enhance your lifestyle, but you'll also receive an exclusive free gift with every order you place. Ready to explore our collection and find your perfect gifts? Browse our selection of premium department store items, place your order, and look forward to the excitement of your free gift arriving alongside your purchase.Shipping Policy
We will work hard to deliver items to you after receiving your orders and make sure they arrive safely. Delivery details will be provided in your confirmation email.In most cases, orders are processed within 2 days.Under special circumstances, it will be delayed as follows: When you place an order on Saturday, Sunday or public holidays, it will be delayed for 2 days..Normally, it needs 5-7 working days (Monday to Friday) without being affected by flight delay or other environmental factors..Because our shipping service is worldwide so the delivery times will depend on your location so it may need a few times and please wait patiently if you are in remote districts or countries.1. Return & Exchange Policy
We only accept items purchased from roymall.com. If you purchase from our local distributors or other retailers, you cannot return them on our side. Final sales items or free gifts are not acceptable for a return. To be eligible for a return, your item must be unused and in the same condition that you received it. It must also be in the original packaging.After receiving return instructions from us, please package up your returned items and drop your package at the local post office or another courier.We will process your return or exchange item within 3-5 working days after we receive it. The refund will be processed and credited automatically to your original method of payment.No returns or exchanges can be accepted if the product was custom produced, including custom size, custom color, or custom printed.Need more help, please contact us. service@roymall.com or Whatsapp: +8619359849471
2.Refund Policy
You'll get a full refund or 100% store credit after we receive the returned package and check it. The refund will be processed and credited automatically to your original method of payment. Please note that shipping costs and any duties or fees are not refundable. The extra shipping costs are non-refundable once the package has been shipped. You are responsible for paying these fees and we’re unable to waive or refund them, even if the order is returned back to us.Once we received and confirmed your returned item, we will send you an email to notify you that we have received your returned item. We will also notify you of the approval or rejection of your refund.If you have any problems regarding the refund process, please contact us. service@roymall.com or Whatsapp: +8619359849471
nt
nnttNote: This version can not compatible with OS system
ntntt
nttFeatures:
ntt
nttOpening original schematic design, free development software interface download, also allow your needs to be modified, easy and convenient to download the program.
nttCan simply use sensors, all kinds of electronic components connection (such as LED lights, buzzer, buttons and photosensitive resistance, etc.), make all sorts of interesting work.
nttUsing high-speed microprocessor controller (ATMEGA328), development interface and environment are all very simple, easy to understand, very suitable for beginners to learn.
ntt
nttDescription:
ntt
nttDigital I / O: 0 - 13
nttAnalog I / O: 0 - 5
nttSupport ISP download function
nttInput voltage: DC 5V ~ 9V (No external power supply when connected to the computer)
nttOutput voltage: DC 5V / 3.3V
nttUsing Atmega328 microprocessor controller
ntt
nttHow to use:
ntt
ntt1. Download the IDE
ntt Link: http: http://.cc/en/Main/Software (Copy to open)
ntt2. Download the USB chip driver
ntt Link: http://www.5v.ru/zip/ch341ser.zip (Copy to open)
ntt3. Plug in UNO development board, the driver will be installed automatically
ntt4. Select the UNO from the Option
ntt5. Select the COM port
ntt6. The best choice first, come with routine procedures, burn into it.
ntt
nttPackage included:
ntt
ntt5 x UNO R3 Development Board
ntt5 x USB cable
ntnttFeatures:
ntt
nttOpening original schematic design, free development software interface download, also allow your needs to be modified, easy and convenient to download the program.
nttCan simply use sensors, all kinds of electronic components connection (such as LED lights, buzzer, buttons and photosensitive resistance, etc.), make all sorts of interesting work.
nttUsing high-speed microprocessor controller (ATMEGA328), development interface and environment are all very simple, easy to understand, very suitable for beginners to learn.
ntt
nttDescription:
ntt
nttDigital I / O: 0 - 13
nttAnalog I / O: 0 - 5
nttSupport ISP download function
nttInput voltage: DC 5V ~ 9V (No external power supply when connected to the computer)
nttOutput voltage: DC 5V / 3.3V
nttUsing Atmega328 microprocessor controller
ntt
nttHow to use:
ntt
ntt1. Download the IDE
ntt Link: http: http://.cc/en/Main/Software (Copy to open)
ntt2. Download the USB chip driver
ntt Link: http://www.5v.ru/zip/ch341ser.zip (Copy to open)
ntt3. Plug in UNO development board, the driver will be installed automatically
ntt4. Select the UNO from the Option
ntt5. Select the COM port
ntt6. The best choice first, come with routine procedures, burn into it.
ntt
nttPackage included:
ntt
ntt5 x UNO R3 Development Board
ntt5 x USB cable
ntt
nn
n
n
n
n
n
n
n
n
n
n
n
n
n
n
