| The wide availability of low-cost switched mains sockets with radio remote control provides a simple way to control electrical equipment, li...
All items tagged with Radio and main (4)
| Only a handful of components are needed to build an intrument which is indispensable in any RF workshop: the grid dip meter or 'dipper...
| It is normally easy to tell when the mains voltage fails because then the radio stops playing or you are in the dark. Joking apart, compu...
| Most small portable radios require a 3 V supply normally provided by two size AA or AAA batteries. Since rechargeable batteries are an op...