Switches a relay when light or dark (shadow) is sensed. Whenever the light beam from a lamp projected onto doors, windows or similar is interrupted by a person, the device produces an alarm. Can also be used as a dimmer switch.
Kemo4024028010458
Price: £14.99 from Conrad Electronic
| Stockist | Price | |
|---|---|---|
| £14.99 | Visit Store |
Powerful light barrier kit with a range of up to 18 metres. Owing to its invisible infrared light beam, the light barrier can also be used ideally for alarms and monitoring systems. When the light beam is interrupted, the relay gets activated for the...
At 3 V operating voltage can only 1 LED per channel can be connected. At 6 V operating voltage, up to 2 LEDs per channel can be connected. Except for the blinking electronics are currently 2 capacitors and 2 resistors. Of the resistors is only one resistor...
2 different colored LEDS flash alternately. The flashing sequence is adjustable. The operating voltage is 6 - 12 V/DC.Thus, the indicator for battery operation on a 9 V transistor battery.Application: For the Railway Modeling (model railway crossings),...