Digital 8 Bit LED And Key TM1638 Keyboard Scan And Display Module + 5 Cables

Description:

• 8 key buttons,
• 8 LEDs, 1 per key
• 8-bit digital tube, common cathode LED digital tube
• Voltage: 5V DC
• can be directly connected to the microcontroller and STC, etc.
• The module uses chip TM1638, a collection of more than three kinds of SCM common peripheral circuits, the biggest feature is only occupied by three single-chip IO port can drive, scan display and keypad scanning does not require micro controller intervention, only need to read the relevant register send display data or test button, save MCU resources. 

Wiring connections: 

• VCC 
• GND
• STB CLK DIO connected microcontroller IO port

Package Includes:

• 1x Digital 8 Bit LED And Key TM1638 Keyboard Scan And Display Module
• 5x Cables

(Item Packed into anti-static bag, Instruction manual / wiring diagram NOT included, they can be found on google by entering the module model number)

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