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