Goodday, I have daisy chained 11 chips of 595 shift register powering 4 shift register together with 5v, thus powering the project using 3 nos 5v 500mA DC adapters. All led to every pin with 100 ohms resistor. the problem is that only 8 shift register display the led pattern from array included in …

Please guide

Grumpy_Mike January 12, 2018, 4:36pm 4

What is the schematic for these boards? Have you got decoupling capacitors on all the chips?

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