My Funny Electronics - Simple Circuit for Controlling LED Strip using Arduino Mega and ULN2803 Read more at : http://www.haberocean.com/2014/11/simple-circuit-for-controlling-led -strip-using-arduino-mega-and-uln2803/ | Facebook
![How do I add status LEDs to my board driving optocouplers with ULN2803A? Should it be in series or parallel and how to calculate a new resistor value? : r/AskElectronics How do I add status LEDs to my board driving optocouplers with ULN2803A? Should it be in series or parallel and how to calculate a new resistor value? : r/AskElectronics](https://preview.redd.it/qa5go13ueg271.png?width=1784&format=png&auto=webp&s=6d193f63333ddae5c70f828be232bcdb8225ebe5)
How do I add status LEDs to my board driving optocouplers with ULN2803A? Should it be in series or parallel and how to calculate a new resistor value? : r/AskElectronics
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