The devices at your home may be the things you may want to control via internet. We understand that modern devices or home appliances were normally controlled by infrared, radio and digital signals. Most common open source infrared remote control project are LIRC. For the radio control, I found some videos as below. For the digital signals, you may be easily found information in GPIO pins of SOC computer boards in raspberry pi(s).
Pattern and texture printing to enhance the strength and performance.