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/diy/ - Do It Yourself

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>> No.1275222 [View]
File: 26 KB, 829x711, spice.png [View same] [iqdb] [saucenao] [google]
1275222

When I simulate this in LTSpice, it limits the current through the LEDs to just under 20mA with the 1.33k R1, but when I put it together on a breadboard, I had to lower R1 down to around 35 ohms to get the same current output.

wtf am I doing wrong?

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