GlacialLight has added the GL-PIR10C, a versatile infrared motion sensing switch, to its popular range of lighting products. GlacialLight has added the GL-PIR10C, ...

This light sensor switch circuit allows the automatic connection of a lamp when the light is low (at nightfall) and will maintain the lamp ON for a certain period of time. This time can be adjusted ...

Sisah 220 Volt Auto Day/Night On/Off Photocell, LDR Sensor Switch is best for use in an outdoor environment where managing the frequent turning on and off of the light source is not possible.

Light sensor switches are primarily used for convenience with holiday lighting or decorative string lighting on back patios. ... fully automatic setup, expect to pay up to $50 per switch. FAQ. Q.

As you can see in the schematic above, this automatic air curtain door sensor switch design uses a common magnetic door switch for automatic on/off of the air curtain. The magnetic door switch ...