TM1638 按鍵數碼管LED顯示模組 8位元七段顯示器 LED 按鍵

商品說明

• 8個按鍵
• 8個LED
• 8位元數碼管，共陰極LED數碼管
• 可以和STC等單片機直接連接
• 提供ardiuno驅動程式

TM1638 模組所用晶片為TM1638，集合了以上三種單片機常見週邊電路，最大特點是只需佔用單片機三個IO口即可驅動，掃描顯示和按鍵掃描不需要單片機干預，只需要讀寫相關寄存器送顯示資料或檢測按鍵，節省MCU資源。購買該模組提供實例程式。

接線方法：

VCC GND接5V電源， STB CLK DIO接單片機IO口。

Arduino 範例與函數庫

https://github.com/rjbatista/tm1638-library/

技術補充（英文）

以下為原廠英文技術說明，提供使用者參考。

• 100% brand new and high quality
• Quantity:1pc
• Weight:28 g
• Color: as picture show
• Size:75mmx48mm/2.95″x1.89″(inch) (approx)
• The rated voltage: DC12V
• Voltage range: DC5V
• The input power: 0.24 A
• The rated speed: 9500 R.P.M
• Temperature range:-10.. 70 ¡ã C
• Txpect life: 25 ¡ã C L10 when expected life 50000 hours
• Bearing structure: free maintenance dual ball bearings
• Rotation direction: the wind from stents place eduction, facing the rotor counter-clockwise
• The wiring way: + red-black signal: blue (blue line, the alarm line speed, it is necessary to pay attention to). Line about 20 cm long
• The biggest air volume: 26.8 m? / h
• The electric motor protection : overload protection, wrong level protection and stall lock current protection
• Minimum wind pressure : 0.. 120 Pa
• Noise index : 41.9 dB (A)
• Material qualitative material: glass fiber reinforced plastic, PBT shell, PA blades
• Function explain : electronic reversing the rotor dc fans, complete electronic directional control components