How to drive eight PIN diodes in parallel with 90 mA current using Arduino Uno R3

Other Hardware LEDs and Multiplexing
5

Clearly not.

But it gets worse - 16 groups!

I consider the ULN2x03 obsolete, you use the TPIC6B595 instead, but as you note, this can only source current.

You probably want a couple of UDN2983. Not very elegant, but should work.

Can you not have a resistor for each PIN diode?

1 Like