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![Driving RGB leds with the ULN2003A and pwm on the attiny85 [SOLVED] - LEDs and Multiplexing - Arduino Forum](https://europe1.discourse-cdn.com/arduino/optimized/4X/9/c/e/9ce6677727a3193a40b43ec9fed739e19953b2f9_2_445x500.png "Driving RGB leds with the ULN2003A and pwm on the attiny85 [SOLVED] - LEDs and Multiplexing - Arduino Forum")