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The battery discharger published in this website may be improved by adding a Schottky diode (D3). This ensures that a NiCd cell is dischar... -
Transistor Checker Circuit Diagram. This simple circuit has helped me out on many occasions. It is able to check transistors, in the circ... -
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... -
Small, portable, anti-bag-snatching unit Also suitable for doors and windows control Circuit diagram Parts: R1 330K 1/4W Resisto...
