This automatic emergency call circuit works with sensors, such as magnetic switches. This circuit will make automatic phone calls to numbers that have been selected when the sensor is working. Suitable to be installed in high security locations.
This solar charge controller is suitable for using with DC
electrical appliances such as a bulb, radio, fan,
television, etc. It regulates the voltage and current coming
from the solar panels going to the battery.
This circuit detects infrared radiation from human or animal bodies with PIR (pyroelectric infrared sensor) and a fresnel lens (circular and flat). Ideal for applying with voice recording, alarms, and advertising media system.
This on/off alternative circuit can be used as a multipurpose time
setting device or as an automatic circuit controller of electrical
appliances for energy saving.
This ultra bright LED is a seven segment display. There are 5 LED's per segment with an additional LED for the decimal point.
Currently Out of stock, special order only