用74hc165和74hc595实现键盘输入和led显示的电路图,74hc165 and achieve 74hc595 with keyboard input and display circuit led

74HC165N级级联键盘 状态机解码 -74HC165 keyboard state machine decoder

使用I2C协议（山寨板）的MIDI键盘。 使用了一片74HC165接受信号。用74HC164扫段。 具有力度功能，可以和上位通信更改力度。是相当不错的学习资料！-Using the I2C protocol (cottage board) MIDI keyboard. Received signal using a 74HC165. With 74HC164 sweep segment. With the intensity function, you can change the in

实现msp键盘加上数码管显示功能，用的数码管是74hc165驱动，亲测可用-Achieve msp keyboard plus digital display with digital control is 74hc165 driver, pro-test available