Ok, we need to choose homework #1 topic. we will be using this set: https://www.anodas.lt/mokomasis-elektronikos-rinkinys-ismaniosios-grandines-su-arduino you can buy cheaper and wait for this one: https://www.aliexpress.com/item/32714696336.html Homework {{:pasted:20201013-084537.png}} Homework 2 For the second homework, you have to do something with asynchronous programming. Also please use interrupts and also use Timers in your project. Please try to access pins using registers: https://www.arduino.cc/en/Reference/PortManipulation RESULTS so far: {{:pasted:20210120-190252.png}}