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Strip LEDs are available in different colours powered by direct current (DC) source. These LEDs are available as surface mount devices with... -
The battery discharger published in this website may be improved by adding a Schottky diode (D3). This ensures that a NiCd cell is dischar... -
Safety Guard Circuit Diagram . Protect your home appliances from voltage spikes with this simple time delay circuit. Whenever power to t... -
This proximity detector is constructed using an infrared diode detector. Infrared detector can be used in various equipment such as b... -
An ELT (Emergency Locator Transmitter, also known as a distress beacon) is an emergency radio transmitter that is activated either manu...
