{"product_id":"max7219-dot-matrix-8x8-led-display-module-for-arduino-51-stm32-mcu-drive","title":"Maxbell MAX7219 Dot Matrix 8x8 LED Display Module for Arduino \/51\/ STM32 \/ MCU Drive","description":"\u003cp\u003e\u003cb\u003eDescription:\u003c\/b\u003e\u003c\/p\u003e\n\u003cp\u003eIntegrating serial input\/output common cathode display driver, connects microprocessor to 8-digit or 7-digit LED display, bar graph display and 64 red LED.\u003cbr\u003eOperating Voltage: DC 5V\u003cbr\u003eWith 4 screws holes, hole diameter: Approx. 3 mm\/ 0.12 inch\u003cbr\u003eWith input and output interfaces\u003cbr\u003eSupports several module cascade\u003c\/p\u003e\n\u003cp\u003e\u003cb\u003eSpecification:\u003c\/b\u003e\u003c\/p\u003e\n\u003cp\u003eModule Dimensions: Approx. 32 ×32 ×13 mm\/ 1.26 ×1.26 ×0.51 inch\u003cbr\u003eAs the pictures show, the input port is in the left side of module, and the onput port is in the right left of that.\u003cbr\u003eWhen only control a single module, just need to connect the input port to CPU.\u003cbr\u003eWhen connect more modules, input port of the first module should connect CPU, onput port of that connects the input port of the second module, and the onput port of the second module connects the input port of the third module, and so on.\u003cbr\u003eTaking 51-Single Chip Micyoco as an example:\u003cbr\u003eVCC connects to 5V\u003cbr\u003eGND connects to GND\u003cbr\u003eDIN connects to P2.2\u003cbr\u003eCS connects to P2.1\u003cbr\u003eCLK connects to P2.0\u003c\/p\u003e\n\u003cp\u003e\u003cb\u003ePackage Includes:\u003c\/b\u003e\u003c\/p\u003e\n\u003cp\u003e1 Piece of PCB Board\u003cbr\u003e1 Piece of AS Dot Matrix LED Module\u003cbr\u003e2 Pieces of 1x8 Round Hole Female Header\u003cbr\u003e2 Pieces of 5P Looper\u003c\/p\u003e\n\u003cp\u003e\u003cb\u003eNote:\u003c\/b\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cb\u003e1.Please don't connect VCC and GND inversely, lest the chip is burnt out.\u003cbr\u003e2.When MCU-51 P0 port controls, the pull-up resistor must be connected, and the suggested resistance is about 4.7K-10K.\u003cbr\u003e3.Please insert the dot matrix to the  round hole block firstly, and then insert the round hole block to the PCB board  for weing.\u003cbr\u003e4.Please hold the side of dot matrix with words towards yourself, and the PIN of this side is on the order of 12345, from left to right.\u003c\/b\u003e\u003c\/p\u003e\n","brand":"Aladdin Shoppers: Best Online Shopping site in India - Shop Now!","offers":[{"title":"Default Title","offer_id":42305166049461,"sku":"60006521","price":640.0,"currency_code":"INR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/2570\/5654\/products\/1613057753205BtqyYo.jpg?v=1658899209","url":"https:\/\/aladdinshoppers.com\/products\/max7219-dot-matrix-8x8-led-display-module-for-arduino-51-stm32-mcu-drive","provider":"Aladdin Shoppers","version":"1.0","type":"link"}