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TM1638 Digital Tube LED Display Module 5V 8 Bits Key Digital Tube 8 LEDs 8 Button Keys for Arduino AVR ARM with Dupont Cable - 2PCS

4.8 (1) Write Review
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$8.99

$ 4 .99 $4.99

In Stock

About this item

  • 8-bit digital tube, featuring a common cathode LED display.Display mode 10 segments × 8 digits. Key scan (8 × 3bit). Oscillation method: RC oscillation (450KHz + 5%).
  • Scan display and button scan do not require MCU intervention, only need to read and write related registers. Send display data or test button to save MCU resources.
  • Only need to occupy three IO ports of the microcontroller to drive.Can be directly connected with STC and other microcontrollers.
  • Mainly used in refrigerators, air conditioners, home theater products such as high-segment display driver.
  • VCC GND is connected to the 5V power supply, STB CLK DIO is connected to the IO port of the microcontroller.
  • You will receive 2 x TM1638 Display Module, 1 x 11.8" Female-Male Dupont Cables 10 PIN.


Feature:
1.8-bit digital tube, common cathode LED digital tube.
2. Serial interface: CLK, STB, DIO
3. Display mode: 10 segments
4. Key scan: 8 x 3bit
5. Brightness adjustment circuit (duty cycle adjustable in 8 levels)
6. Oscillation mode: RC oscillation (450KHz ±5%)
7. Built-in power-on reset circuit
8. Scan display and button scan do not require MCU intervention, only need to read and write related registers. Send display data or test button to save MCU resources.
9. Wiring Diagram:VCC GND connected 5V supply, STB CLK DIO connected microcontroller IO port.
10. The button sensitive and LED display works well.

Package Included:
2 x TM1638 Display Module
1 x 11.8" Female-Male Dupont Cables 10 PIN


Raph
Reviewed in France on March 3, 2025
Une Led sur chaque module est mal soudée, petite rectif et tout fonctionne bien. En plus des deux câbles FF 5 points, un câble MF 10 points est livré. Les librairies se trouvent sans problème sur Github. On peut contrôler la luminosité des afficheurs de 0 à 7.