This circuit uses a diode as a radiation sensor. The operational ones are old because the publication is from the 80's, but modern low voltage equivalents can be tested.
This simple circuit connects in external battery to a load when the AC Power line fails. S1 can be...
July 2017 - Diodes Incorporated's ultra low voltage drop voltage (ULDO) AP7380 regulators can now...
Mouser Electronics already has in stock the new RF transceivers Atmel / Microchip ATA8820 SIGFOX ™ for...