Module parameters:
1. A single module can drive an 8 * 8 common cathode lattice
2. Module Operating voltage: 5V
3. Module size: 50x32x15mm
4. With four screws hole, aperture 3mm, using M3 screw
5. Module with input and output interfaces, supports multiple modules cascade

Wiring instructions:
1. The module left as an input port to the output port on the right.
2. The control of a single module, simply input port to the CPU
3. Multiple modules cascade input termination CPU, 2 output termination module, a module of the input of the input terminal, the output terminal of the first two modules of the first three modules, and so on ...

51 MCU, for example:
VCC → 5V
GND → GND
DIN → P22
CS → P21
CLK → P20

Package Contents:
1 x MAX7219 Dot Led Matrix Module

Packing Condition:
All goods are packed in bags or small boxes, then put into safety export standard carton box, well packed with Bubble.

Shipping Ways:
By express, air shipping or sea shipping methold.

Shipping Freight Saving Methold:

There are many different items in our stock, customers can by the insterested products in the list of one order, we will combine the products in one shipment, to save the shipping cost.

Buy more, save more!

Shipping Time:

1. We will arrange shipemnt in 1 to 5 working days after the payment confirmed.

2. Shipment will by DHL/Fedex/UPS/TNT/EMS/Aramex/SF-express etc. Please confirm the shipping methold when placing new order. 

3. After shipping, we will send the tracking number immediately for tracking the shipment.

Eshinede Technology is a manufacturer and wholesaler located in Shenzhen city, China.
Manufacturing digital voltmeter & ammeter, dc-dc converters, car chargers and other electronics.
There is no minimum order restriction, you can buy products in any order quantity - even 1 piece samples - from a wide selection of the latest released products.
You can pay by TT transfer, Western Union and credit card through Paypal, which offers total buyer protection;
Dropshippers can send single items directly from Eshinede to their customers.
All the products you buy from Eshinede are covered by a 12 month guarantee, and are carefully inspected for quality before packing- which is one additional level of QA over and above what is done in the factory;
You're supported by friendly English speaking staff before and after placing an order, and you can get full product information and support even before purchasing;
Your goods are packed carefully, and the packages are correctly labelled and accompanied by all the paperwork that's needed for smooth clearance through your country's Customs.
Goods are shipped to worldwide by air freight and couriers such as DHL/Fedex/UPS/TNT/EMS.

Eshinede Technology - 8 Years expertise on manufacturing digital voltmeter & ammeter, dc-dc converters, car chargers and other electronics for cars, motorcycles, electric bikes, phones, computers and other electronic equipments.
1. Offer different kinds of electronic products to meet customer's requirements.
2. Provide OEM & ODM service, and protect customer's private design and technic information.
3. Produce high quality products. 
4. Lifetime after-sale service, 100% free warranty.
5. Accept convenient payment methods: customers can make payment by alibaba trade assurance, Paypal, Credit Card, Bank Wire Transfer, Western Union, etc.
6. Speedy shipment: arrange the shipment within 1 to 5 working days.

1. Why choose Eshinede?
High Service Quality: OEM & ODM service; Reply in 24 hours; All of our products are up to the international quality standards and have 8 years experience in overseas export.
High Product Quality: Our well equipment and strict function testing in the productive process guarantee the excellent quality of each product.
Professional Manufacturer: Eshinede corporation is specialized in manufacturing digital voltmeter & ammeter, dc-dc converters, car chargers and some other electronics.

2. Could I order one piece for sample to test the quality?
Yes, We recommend checking the sample before order. You could order the sample before your order.

3. May I have your catalogue and price list for trial order in MOQ quantity?
All our products were shown on alibaba, please have a detailed looking and choose the interested models in our site.

4. If I order big quantity, what's the good price?
Please send the details enquiry to us, such as the item number, quantity for each item, quality request, Logo, payment terms, transport method, discharge place etc. We will make the accurate quotation to you as soon as possible.

5. What are my payment options?
For samples and small acount, it is 100% in advance.
For mass production, it is 30% in advance and 70% balance.
Welcome West Union, TT. bank account and Paypal.

6. How long will it take to ship my order?
As long as there is stock available, Eshinede usually ships items in 1 to 3 working days for samples and within 5 to 7 days for customized order once receiving the confirmation of a new order. The order will not be confirmed until the payment reaches Eshinede’S bank account. If we aretemporarily out of stock, we will do our best to inform you of the estimated lead time.

7. What does your warranty cover?
Eshinede’s product is backed by a 1-year limited warranty against manufacturing defects (material or workmanship). Missing/lost or worn out parts are not covered under our warranty.