8-Digit Display + 16-Key Module.

Pack of 1-piece/lot.

Image is for package illustration purpose only. Refer to product specs for detail.

Product Details

8-Digit Display + 16-Key Module.

This LED+Keypad modules is based on Titan Microelectronics TM1638 chip. TM1638 is an IC dedicated to LED (light emitting diode display) drive control and equipped with a keypad scan interface. It integrates MCU digital interface, data latch, LED drive, and keypad scanning circuit. This product is reliable in quality, stable in performance and strong in interference resistance. It is mainly used for household electrical appliances (smart water heaters, microwave ovens, washing machines, air conditioners, electric stove), set-top boxes, electronic scale, smart meters and other digital tube or LED display devices.


  • 8-Digit 7-Segment Display.
  • 16-Keys Interface.
  • 3-Wires SPI Interface to common 8-bit micro controller
  • PWM 8-Level Brightness adjustment.
  • On web rich Arduino Library available.

Related Information:

1. TM1638 Module Schematic Diagram

2. TM1638 Controller Specification

3. NFD3641BS 4-digit 7-Segments LED Modules

4. Arduino Libary

T & C

We warrant Handson Technology Manufactured Products will be free from manufacturing defects for a period of thirty (30) days following the date of delivery to you. We will replace, repair or credit you for any confirmed defective product at our option. Products that are not manufactured by Handson Technology may, or may not, be covered by original manufacturer’s warranty and passed through to you. Please contact support to confirm warranty period prior to purchase.

Warranty will not apply if Product fails or is damaged after delivery to you due to accident, abuse or misuse.


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RM 18.40
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Shipment and Delivery: 2-3 Business Days
Ship To: Refer to T&C
Brand: OEM
SKU: tm1638
Order Quantity
In Stock