Hello! I was hoping to build a 32 key keyboard using 4 165s, but it seems I can't even get one to work! I have Vcc connected to 5v, GND, CLK INH, SER, and Q! grounded, Latch to pin 4, Clock to pin 5, Q to in 3, and A - H as inputs from the switches Sadly it seems that none of the inputs work excep…

Problems with the HC165 Shift Register

DrDiettrich November 16, 2017, 1:15pm 4

The inputs don't have pullup resistors. Add a resistor to every switch.

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