| This circuit switches two electrical loads on and off under the control of an acoustic signal. The remote control operates reliably up to...
| This circuit switches two electrical loads on and off under the control of an acoustic signal. The remote control operates reliably up to...
| Infra-red remote control units for TVs and video recorders usually have a large number of press-keys to select a staggering variety of fun...
| LIGHT SWITCH WITH TV REMOTE CONTROL Why not use the infra-red remote control, that magic little box supplied with every TV set these days, f...
| EE July/August 1986 34 We all sometimes wish that some of the switches around the home were just a little easier to locate and operate, nota...
| Just like the associated hand-held transmitter (see previous article), the receiver is simple to construct. As can be seen from the circuit...