1x 4bit UART TTL Serial Port Digital Tube Display Module replace TM1650 MAX7219

Description: Product Name: 4bit UART TTL Serial Port Digital Tube Display Module replace TM1650 MAX7219 TM1637 74HC595 for Arduiuo NODEMCU Pi Packing list: 1 pcs 4 bit RXD TTL232Digital TubeLED Display Module; (Please choose with Pin or no Pin) Description: Working voltage: DC 5V 4-bit 0.36-inch red digital tube Driver chip: the companys custom chip Driver interface: TTL232 (RXD Pin), driven by USB to TTL or MUC UART TXD interface Can display characters: AbcdEFGHIJKLMnopqrStUvWXYZ1234567890 Size: 33mm*15mm*11mm Weight: 5 grams Pin description: VCC: positive power supply 5V GND: negative power supply RXD: serial port receiving line (connected with the TXD of the single-chip USB to TTL) Applications: for Arduiuo UNO MEGA2560 LEONARDO MICRO NANO ADAPTER Pro Mini ZERO DUE for raspberry pi 3 B+ 4 for MCU AVR PIC ARM STM32 for FPGA/CPLD for Toy car for instrument meter for Electronic hobby DIY forAscii code Text Display Board Connect with UNO(Does not includeUNO) Connect with MCU/FPGA or USB to TTL232 Board Theoretically, these Ascii characters AbcdEFGHIJKLMnopqrStUvWXYZ1234567890 can be displayed, but some characters need to be identified according to the following table: 3 Special Function Characters: #:Reset(And Clear Screen) *:Insert Decimal Point %:Bit Clear How to use: Connect 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 UART communication parameters: Baud rate 9600, 8, 1, N Add 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. Example: Display 1234 Input: #1234 Display 123.4 Input: #123*4 Display 88.88 Input: #88*88 Display 123 Input : #123% Do not display the lowest digit Display 234 Input : #%234 does not display the highest bit Notice: If it shows abnormality, please check if the string has space/enter or other special characters at the beginning or end of the string

Price: 1.99 USD

Location: Guangzhou

End Time: 2024-02-10T08:15:05.000Z

Shipping Cost: 2.99 USD