Ryde remote controls
The Ryde DATV receiver is designed to work with an Infrared remote control handset.
A Infrared sensor is needed and can be one salvaged from an old consumer electronic part or purchased new - typical example is https://uk.farnell.com/vishay/tsop2438/ir-receiver-45m-0-12mw-m2-side/dp/4913097
These sensors are 3 legged devices with +ve, gnd and output which is connected directly to pin x of the RPi GPIO port.
Older devices may need to be used on a +5v supply and if that