JasonWdener

Hello All, I am very new to this so sorry for asking such a basic question. I want to program my own device. For example, a watch, toy, some machine I make or anything else. I want it to connect to my phone via Bluetooth or Wi-Fi. Can you please guide me what kind of hardware I can use for these kind of things and also what type of software I can use to program them. Thank you so much for your help! Sam