{"product_id":"dm49c04-4-digit-7-segment-led-display-module-uart-ttl-serial-port-ascii-text-display-for-arduino-uno-mega2560-leonardo-micro-nano","title":"DM49C04 4-Digit 7-Segment LED Display Module – UART TTL Serial Port ASCII Text Display for Arduino UNO MEGA2560 LEONARDO MICRO NANO","description":"\u003cp\u003e\u003cspan style=\"color: rgb(255, 0, 0);\"\u003e\u003cspan style=\"font-size:22px\"\u003eProduct Name:\u003c\/span\u003e\u003c\/span\u003e 4bit UART TTL Serial Port 7Seg LED Digital Tube Display Module for Arduino for UNO MEGA2560 LEONARDO MICRO NANO ADAPTER Pro Mini\u003c\/p\u003e\n\u003cp\u003e\u003c\/p\u003e\n\u003cdiv\u003e\n \u003cdiv\u003e\n  \u003cp\u003e\u003c\/p\u003e\n  \u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\n  \u003cp\u003e\u003cspan style=\"font-size:18px\"\u003ePacking list:\u003c\/span\u003e\u003c\/p\u003e\n  \u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\n  \u003cp\u003e\u003cspan style=\"font-size:18px\"\u003e\u003cspan style=\"color:rgb(0, 0, 0)\"\u003e5 PCS 4 Digit UART(TTL232) \u003c\/span\u003e\u003c\/span\u003e\u003cspan style=\"font-size:18px\"\u003eDigital Tube \u003c\/span\u003e\u003cspan style=\"font-size:18px\"\u003e\u003cspan style=\"color:rgb(0, 0, 0)\"\u003eLED Display Module; \u003c\/span\u003e\u003c\/span\u003e\u003cspan style=\"color:rgb(0, 0, 0)\"\u003e(\u003c\/span\u003ePlease choose with Pin or no Pin)\u003c\/p\u003e\n  \u003cp\u003e\u003cbr\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0858\/1700\/0192\/files\/900096202609151551316aa8f903c6597.jpg?v=1789459049\" alt=\"拼图_美图设计室\" class=\"\"\u003e\u003c\/p\u003e\n  \u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\n  \u003cp\u003e\u003c\/p\u003e\n \u003c\/div\u003e\n \u003cbr\u003e\n \u003cdiv\u003e\n  \u003cdiv\u003e\n   \u003cbr\u003e\u003cspan style=\"color:rgb(0, 0, 0);font-size:18pt\"\u003eDescription:\u003c\/span\u003e\n   \u003cbr\u003e\n   \u003cbr\u003e\u003cspan style=\"font-size:18px\"\u003e\u003cspan style=\"font-family:arial, helvetica, sans-serif\"\u003eWorking voltage: DC 5V\u003cbr\u003e\n      4-digit 0.36-inch red digital tube\u003cbr\u003e\n      Driver chip: the company's custom chip\u003cbr\u003e\n      Driver interface: TTL 232 RXD, driven by USB to TTL or MUC UART TXD interface\u003cbr\u003e\n      Can display characters: AbcdEFGHIJKLMnopqrStUvWXYZ1234567890\u003cbr\u003e\n      Size: 33mm*15mm*11mm\u003cbr\u003e\n      Weight: 5 grams\u003c\/span\u003e\u003c\/span\u003e\n  \u003c\/div\u003e\n  \u003cbr\u003e\n  \u003cdiv\u003e\n   \u003cbr\u003e\u003cspan style=\"font-family:arial, helvetica, sans-serif\"\u003e\u003cspan style=\"font-size:18px\"\u003e\u003cstrong\u003ePin description:\u003c\/strong\u003e\u003c\/span\u003e\u003c\/span\u003e\n   \u003cbr\u003e\n   \u003cbr\u003e\u003cspan style=\"font-family:arial, helvetica, sans-serif\"\u003e\u003cspan style=\"font-size:18px\"\u003eVCC: positive power supply 5V\u003cbr\u003e\n      GND: negative power supply\u003cbr\u003e\n      RXD: serial port receiving line (connected with the TXD of the single-chip USB to TTL)\u003c\/span\u003e\u003c\/span\u003e\n  \u003c\/div\u003e  \n  \u003cdiv\u003e\n   \u003cbr\u003e\u003cstrong\u003e\u003cspan style=\"font-size:22px\"\u003eApplications:\u003c\/span\u003e\u003c\/strong\u003e\n   \u003cbr\u003e\n   \u003cbr\u003e\n   \u003cbr\u003e\u003cspan style=\"font-size:18px\"\u003e\u003cspan style=\"font-family:arial, helvetica, sans-serif\"\u003efor Arduiuo UNO MEGA2560 LEONARDO MICRO NANO ADAPTER Pro Mini ZERO DUE\u003cbr\u003e\n      for raspberry pi 3 B+ 4\u003cbr\u003e\n      for MCU AVR PIC ARM STM32\u003cbr\u003e\n      for FPGA\/CPLD\u003cbr\u003e\n      for Toy car\u003cbr\u003e\n      for instrument meter\u003cbr\u003e\n      for Electronic hobby DIY\u003c\/span\u003e\u003c\/span\u003e\n  \u003c\/div\u003e\n \u003c\/div\u003e  \n \u003cdiv style=\"font-size:19px;color:rgb(0, 0, 0)\"\u003e\n  Connect with UNO(\u003cspan style=\"color:red\"\u003eDoes not include UNO)\u003c\/span\u003e\n \u003c\/div\u003e  \n \u003cdiv\u003e\n  \u003cbr\u003e\n  \u003cp\u003e\u003c\/p\u003e\n  \u003cp\u003e\u003cimg slate-data-type=\"image\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0858\/1700\/0192\/files\/1786201135170suw_1784178594540.jpg?v=1789459048\" class=\"\"\u003e\u003c\/p\u003e\n  \u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\n  \u003cp\u003e\u003cbr\u003e\u003cspan style=\"color:rgb(0, 0, 0);font-size:19px\"\u003eConnect with MCU\/FPGA or USB to TTL232 Board\u003c\/span\u003e\u003c\/p\u003e\n  \u003cp\u003e\u003cbr\u003e\u003cimg slate-data-type=\"image\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0858\/1700\/0192\/files\/1786201135889jee_1784178595277.jpg?v=1789459049\" class=\"\"\u003e \u003cbr\u003e\u003cbr\u003e\u003c\/p\u003e\n  \u003cp\u003e\u003c\/p\u003e\n \u003c\/div\u003e\n\u003c\/div\u003e\n\u003cp\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"font-size:18px\"\u003e\u003cspan style=\"font-family:verdana, geneva, sans-serif\"\u003eTheoretically, these Ascii characters ''AbcdEFGHIJKLMnopqrStUvWXYZ1234567890'' can be displayed, but some characters need to be identified according to the following table:\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"font-size:18px\"\u003e\u003cspan style=\"font-family:verdana, geneva, sans-serif\"\u003e\u003cbr\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg slate-data-type=\"image\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0858\/1700\/0192\/files\/1786201136601zyo_1784178595952.jpg?v=1789459049\" class=\"\"\u003e\u003cbr\u003e\u003cbr\u003e\u003cspan style=\"font-size:18px\"\u003e\u003cspan style=\"font-family:arial, helvetica, sans-serif\"\u003e\u003cstrong\u003e3 Special Function Characters:\u003c\/strong\u003e\u003c\/span\u003e\u003c\/span\u003e\u003cbr\u003e\u003cspan style=\"font-size:18px\"\u003e\u003cspan style=\"font-family:arial, helvetica, sans-serif\"\u003e#:Reset(And Clear Screen)\u003cbr\u003e\n    *:Insert Decimal Point\u003cbr\u003e\n    %:Bit Clear\u003c\/span\u003e\u003c\/span\u003e\u003cbr\u003e\u003cbr\u003e\u003cspan style=\"font-size:18px\"\u003e\u003cspan style=\"font-family:arial, helvetica, sans-serif\"\u003e\u003cstrong\u003eHow to use:\u003c\/strong\u003e\u003c\/span\u003e\u003c\/span\u003e\u003cbr\u003e\u003cspan style=\"font-size:18px\"\u003e\u003cspan style=\"font-family:arial, helvetica, sans-serif\"\u003eConnect the DC 5V power supply to the VCC GND port, and connect the RXD port to the TXD port of the MCU or USB to TTL Board\u003c\/span\u003e\u003c\/span\u003e\u003cbr\u003e\u003cbr\u003e\u003cspan style=\"font-size:18px\"\u003e\u003cspan style=\"font-family:arial, helvetica, sans-serif\"\u003e\u003cspan style=\"color:rgb(0, 0, 255)\"\u003eUART communication parameters: Baud rate 9600, 8, 1, N\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003cbr\u003e\u003cbr\u003e\u003cspan style=\"font-size:18px\"\u003e\u003cspan style=\"font-family:arial, helvetica, sans-serif\"\u003eAdd the # reset command in front of the character, you can enter 1-5 characters (1-4 characters and 1 decimal point) at a time, more than 5 characters will cover the previous characters, except for #*% and the characters to be displayed, There must be no other characters (space\/enter), otherwise an exception will be displayed.\u003c\/span\u003e\u003c\/span\u003e\u003cbr\u003e\u003cbr\u003e\u003cspan style=\"font-size:18px\"\u003e\u003cspan style=\"font-family:arial, helvetica, sans-serif\"\u003e\u003cstrong\u003eExample:\u003c\/strong\u003e\u003c\/span\u003e\u003c\/span\u003e\u003cbr\u003e\u003cspan style=\"font-size:18px\"\u003e\u003cspan style=\"font-family:arial, helvetica, sans-serif\"\u003eDisplay 1234 Input: #1234\u003cbr\u003e\n    Display 123.4 Input: #123*4\u003cbr\u003e\n    Display 88.88 Input: #88*88\u003cbr\u003e\n    Display 123 Input : #123% Do not display the lowest digit\u003cbr\u003e\n    Display 234 Input : #%234 does not display the highest bit\u003c\/span\u003e\u003c\/span\u003e\u003cbr\u003e\u003cbr\u003e\u003cspan style=\"font-size:18px\"\u003e\u003cspan style=\"font-family:arial, helvetica, sans-serif\"\u003e\u003cspan style=\"color:rgb(255, 0, 0)\"\u003eNotice:\u003cbr\u003e\n     If it shows abnormality, please check if the string has ''space\/enter'' or other special characters at the beginning or end of the string\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003cbr\u003e\u003c\/p\u003e","brand":"Eletechsup","offers":[{"title":"with Pin","offer_id":49764584489216,"sku":"DM49C04_A*5","price":6.97,"currency_code":"USD","in_stock":true},{"title":"no Pin","offer_id":49764584521984,"sku":"DM49C04_B*5","price":6.97,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0858\/1700\/0192\/files\/S43d025cc0a0143fb97cdb19825c7d73ei.webp?v=1789459044","url":"https:\/\/www.eletechsups.com\/products\/dm49c04-4-digit-7-segment-led-display-module-uart-ttl-serial-port-ascii-text-display-for-arduino-uno-mega2560-leonardo-micro-nano","provider":"eletechsup","version":"1.0","type":"link"}