[Peter Fairlie] built this Meshtastic repeater which can greatly extend the range of his low-power system. [Peter] is calling this a “long lines relay” after old AT&T microwave technology ...

Omron is aiming at electric vehicle chargers and solar photovoltaic installations by adding a low contact resistance model to its two-pole single-throw G7L-2A-X series of PCB-mount relays. G7L-2A-X-SI ...

With the addition of a capacitor to smooth out the voltage, this little circuit is able to trip the 40 amp solid state relay controlling power to the vacuum using nothing more than the energy ...