Well sure, but if you just need one feature (eg. infrared "tv-b-gone"), and you already have an arduino at home, you just need an infrared led. https://create.

Well sure, but if you just need one feature (eg. infrared "tv-b-gone"), and you already have an arduino at home, you just need an infrared led. https://create.arduino.cc/projecthub/mike-murray2/homemade-tv-b-gone-ee08c7 https://create.arduino.cc/projecthub/mike-murray2/homemade-t... If you want to open garage doors, you just need a cc1101 and an esp8266 https://github.com/gusgorman402/RFmoggy https://github.com/gusgorman402/RFmoggy If you want to clone rfid cards, you need one of the cheap readers, an empty card an an arduino https://github.com/miguelbalboa/rfid/blob/master/examples/RFID-Cloner/RFID-Cloner.ino https://github.com/miguelbalboa/rfid/blob/master/examples/RF... Yes, it's ugly, but it's cheap.