Introduction: How to Wire the 6 Digit 7 Segment 2.4 Inch Ht1621 LCD Display Module on Arduino Microcontroller

Another illustration how to wire the HT621 driven 6 Digit 7 Segment LCD Display on Microcontroller. This module is widely used in multi-meter, voltage monitor, solar power monitor, clock, thermometer, electronic measuring device, automotive, etc. this module is compatible in your favorite Microcontroller using 3 wire SPI communication and it has a backlight suitable in dark environment. This module runs on 4.7~5.2V DC 0.4mA without back-light and 4mA with back-light.

Required Components

Arduino Microcontroller, ESP8266 12, 12E, ESP8266 NodeMCU, ESPDuino, WeMos, ATMEGA328 16/12, ATMEGA32u4 16/8/ MHz, ESP8266, ATMEGA250 16 MHz, ATSAM3x8E, ATSAM21D, ATTINY85 16/8 MHz (Note: The Diagram below is using NANO. If your using other MCU please refer to the respective pin-outs6 Digit 7 Segment 2.4 Inch LCD Display ModuleJumper Wires / DuPont Wire

See above schematics for wiring the LCD Display Module.

Source Code and Code segment address mapping can be found

http://www.14core.com/wiring-the-6-digit-7-segment-2-4-inch-ht1621-lcd-display-module-on-microcontroller/

Comments

author
dancopy (author)2017-07-20

Hello Friend!
I
have a Display of this but it is with 5 digits and I would like to do
something, like a clock but I do not have enough knowledge; I would like some code and / or some help; Thank you

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