5Pcs Max7219 8X8 Dot Matrix Led Display and 50 similar items

5Pcs Max7219 8X8 Dot Matrix Led Display Module 5V Mcu Control Max7219 88 Led, B Description: 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. Wiring instructions: 1,Module on the left as an input port, output port on the right. 51 MCU, for example: VCC ? 5V Package list: 2 X MAX7219 dot matrix module Notice: Requires only three IO ports can drive a dot ! No flashing dot matrix display ! Support cascade ! Product Features 1.Module Operating voltage : 5V 2.Module size : 5 cm X 3.2 cm wide X 1.5 cm high 3.Single module can drive a common cathode 8 * 8 dot matrix 4.Holes with four screws , diameter 3mm, can be fixed by using our M3 studs 5.Modules with input and output interfaces , support for cascading multiple modules Shipping: Shipping is complimentary within the lower 48 US States. We Do Not Ship to PO/APO Boxes, HI or Alaska We Do Not Ship Outside of the Continental US All items ship within 24-72 hours of Payment For large items that require Freight shipping a valid phone number is required to call and schedule your delivery Terms of Sale and Feedback: Feedback is extremely important to us and If you are satisfied with our transaction, please take a moment to leave Positive Feedback. YOUR Satisfaction is our #1 Priority! If there are any issues, PLEASE contact us BEFORE leaving a neutral or negative rating so that we may resolve any concerns. We PROMISE we can make you happy if you give us a fair chance. Returns / Concerns: All items qualify for returns within 14 - 30 days of receipt. Buyer is responsible for return shipping on any item that is not damaged Please be sure this is an item you want before making your purchase. Customer Satisfaction is our TOP priority! All items are IN STOCK at time of listing. Inventory changes constantly and it is impossible to maintain a perfectly accurate count of all items. Please do not penalize us if we have to issue you a refund! Thank You For Your Business!