Arduino is an open-source electronics platform. A good way to get started is with a starter kit like the Elegoo Starter kit, that contains everything you need.
The IR Remote Controlled Laser Cat Toy is now complete. I used an Arduino UNO, IR remote, IR receiver, Laser Diode and two servos to create an IR remote controlled laser cat toy.
Arduino is an open-source electronics platform. A good way to get started is with a starter kit like the Elegoo Starter kit contains everything you need.