Results tagged #Rf Signal in Circuits

This is a simple how-to guide on making a cheap remote/wireless ignition for a spud gun or other application. It uses a doorbell circuit to ...

Used this circuit once to track down the location of a plastic pipe, buried underground. It transmits a weak RF signal, which can be picked ...

This RF Wave Absorbion meter will detect signals between 10cms and 10m away all acording to the setting of the 22MegOhm gain adjustment pote...