When the momentary push-button (PB) switch is closed, 12V from C3 is applied at A, causing T2 to turn on. This state grounds the Reset bus, turns on PFET T4 by putting V gs(on) on its gate through the ...

Peterson Manufacturing introduced its 5600 Timer Box Switch, a new system for controlling interior cargo lights with “push-button ease and timed convenience,” the company announced.

SwitchBot Smart Switch Button Pusher $30 at Amazon This little tool will turn your analog devices—whether it's your light switch, a coffee machine, or your computer—into smart ones.

Inside a metal project box — grounded, of course — an ATtiny85 is connected to a button, an opto-isolated TRIAC AC power switch, and a ‘pilot’ light indicating power.

Altronix ACM220 series distribute and switch power to access control systems and accessories. They convert a 220VAC 50/60Hz input into eight (8) independently controlled 12VDC or 24VDC fuse ... by an ...