Standex Electronics has created a reed relay that measures 7.95 x 4.67 x 3.6mm and can switch 100V, 200mA, 3W or 8GHz. 8GHz ...

[Peter] is calling this a “long lines relay” after old AT&T microwave technology, but it is essentially two Heltec modules set up to operate as Meshtastic nodes, where one can operate as a ...

The semiconductor light-emitting diode, or LED, is a key component of ... In the introduction to his patent 12 entitled 'Light Relay', which was filed in 1927 and granted on 31 December 1929 ...