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Congratulations to okystar for becoming a strong customer of Alibaba
Description: 1. MAX7219 is an integrated serial input / output common-cathode display drivers , which connects the microprocessor 7-segment digital LED display with 8 digits , bar graph can also be connected monitor or 64 separate LED. On type B BCD encoder includes an on-chip , multi-channel scanning loop , segment word drive, but also a 8x8 static RAM for storing each data . Only one external register is used to set the segment current for each LED . 2. A convenient four-wire serial interface can connect all common microprocessor. Each data can be addressed in the update does not overwrite all of the display . MAX7219 also allows the user to select each of the data code or not coded . 3. The entire device includes a 150A low-power shutdown mode , analog and digital brightness control , a scan-limit register allows the user to 1-8 bits of data , there is an LED light so that all the detection mode . 3. Requires only three IO ports can drive a dot ! No flashing dot matrix display ! Support cascade ! | |||||||
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Our company
Okystar Technology Co., Ltd is subsidiary of Okystar Technology Group Co., Ltd, which holds 4 subsidiary companies and more than 1500 skilled workers,50 technicians.Okystar Tech Co.,Ltd was built in 2004.We mainly manufacture and export 3D Printer, Board&shield, sensor module, Smart Car Robot, Smart DOF Robot, Servo, DIY toys ,Science toys, Mainboard,etc.
After 15 years development, our company has grown into a large high-tech group corporation integrating industry, technology and trading. With electronic information industry as our main business, we keep being top 10 in the board, shield, sensor, modules for arduino.
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FAQ
1. What is the delivery time?
Normally, 1-5 workdays after payment;
Special requirement orders, delivery time is negotiable.
2.If the products can’t work after receiving it,what should I do?
We will replace new items for you at once, and respect your final decision for wrong goods.
3.If the products don’t meet my demand after I received it,can I return it?
Yes,no problem.
You can return back to us, we will refund your full payment.
4.what is the warranty?
1-2 years warranty according to different products.
1-3 months to replace new items for free.
All products are tested strictly for 2-3 times before leaving factory. we have earned very good reputation in quality,Certified by the ISO9001.
Leonardo R3 With USB Cable 32U4 UNO R3