Say "so long" to at least some of your old light switches and mechanical timers
. Ever-shrinking and smarter microelectronics containing "embedded intelligence" can help you save a bit on energy costs, but more important, they'll add convenience.
The supermarket industry decided to improve its electric heater defrosters by replacing mechanical timers
with optical, infrared, and temperature sensors that would activate the defrost cycle when they indicated that excessive ice had accumulated or that temperature had dropped below a preset point.
The bomb consisted of a sandwich box packed with at least a kilo of explosives, a detonator, battery and mechanical timer
, all taped together and fixed to the underside of the car with a large magnet.
The raid seized 80 improvised explosive devices, including those triggered by cellphones, radios, mechanical timers
, booby-traps and mass and jolt sensitive sensors, containing approximately 1 ton of explosives including gelignite and fabricated explosives.
The MultiWave ECS system is designed to be an easy, affordable upgrade for pools currently using mechanical timers
. The MultiWave ECS Plus enables ultimate control capability and has a built-in 300W transformer for low-voltage requirements.
Turnkey systems controlled automatically by mechanical timers
or PLC controllers.