Hope this is the right section for this query. I wanted to ask something about how to send diffirent variables to a attiny controller. Like for example if I want to control ? row of LEDS numbered trough 1 - 5 connected to a Attiny. How can I turn them on by using a number 1 - 5 which would be send…

Communication with an ATtiny and Arduino. For saving Pins.

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