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Making your own universal remote control systems today is very easy. Such procure the relevant chips, assemble them and here goes, your hi-... -
There are many occasions when a switching delay is required. One way of achieving this is to use an RC network and an inverter (see figure 1... -
The 555 can be LM,NE or MC(cmos) type.C1/C2's working voltage should be increased to 25V if you decide to go with a 12V power source . R... -
Use of brushless DC motors (BLDCs) is on the rise. But their control usually requires rotor-position information for selecting the approp... -
This circuit is one of the most basic and popular sensor modules . In electronics, this sensor is analogous to human’s visionary senses whic... -
This is the Simple Gas Smoke Detector Circuit Diagram. In the presence of smoke or gas, the ac output voltage increases and becomes rect... -
In this circuit we'll learn about a simple high low voltage cut off circuit with alarm which can be used for protecting all 220V or 120... -
This is the Simple Resistance ratio Detector Circuit Diagram. Photoelectric control , temperature detection and moisture sensin g require ... -
Do you still remember the H1N1 outbreak in Asia ? The manifestations are usually flu-like symptoms which includes fever, cough and colds. Th... -
Warning! The circuit is connected to 220Vac mains, then some parts in the circuit board are subjected to lethal potential! . Avoid touchin...