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how to wire the 6 digit 7 segment 2.4 inch ht1621 lcd display module on arduino microcontroller
by：Kimeery
2020-04-15
Another example is how to connect a 6-bit 7-segment LCD Display powered by HT621 on a micro-controller.
The module is in multiple
Table, voltage monitor, solar monitor, clock, thermometer, electronic measuring equipment, car, etc.
The module is compatible with your favorite micro-controller using 3-wire SPI communication and has backlight suitable for dark environments.
This module runs on 4. 7~5. 2V DC 0.
No back 4 mA-
Light and 4 mA with the back-light.
Need for component saraster single chip microcomputer, ESP826 June, 12E, ESP8266 NodeMCU, espamer, Verus, ATMEGA328 16/12, ATMEGA250, at32u4 16/8/1900 mhz, ESP8266, ATMEGA250, atsam21, ATTINY85 16/8 MHz (
Note: The NANO is used in the following figure.
Please refer to the corresponding pins if you use other MCU-
Number 7 Segment 2.
4 inch LCD display module jumper/DuPont WireSee above for connecting the LCD display module.
The module is in multiple
Table, voltage monitor, solar monitor, clock, thermometer, electronic measuring equipment, car, etc.
The module is compatible with your favorite micro-controller using 3-wire SPI communication and has backlight suitable for dark environments.
This module runs on 4. 7~5. 2V DC 0.
No back 4 mA-
Light and 4 mA with the back-light.
Need for component saraster single chip microcomputer, ESP826 June, 12E, ESP8266 NodeMCU, espamer, Verus, ATMEGA328 16/12, ATMEGA250, at32u4 16/8/1900 mhz, ESP8266, ATMEGA250, atsam21, ATTINY85 16/8 MHz (
Note: The NANO is used in the following figure.
Please refer to the corresponding pins if you use other MCU-
Number 7 Segment 2.
4 inch LCD display module jumper/DuPont WireSee above for connecting the LCD display module.
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