In this video, the author is showing how he connected $10 SainSmart 8 Channel DC 5V Relay Module to an Arduino microcontroller (You can also connect Raspberry Pi) and how how he builds an 8 channel ...

Then connect your Arduino via USB to the Switch. After starting the program, you can control the switch with the keyboard to do the setup for the TAS-file.The button mapping is visible below.

Step 2: Set up Arduino with 433Mhz transimitter and receiver This link has a pretty explanation about datasheet about transmitter, and this one for receiver. After you read through the datasheets, you ...