LM3914 is an analog controlled LED driver IC, launched by the national semiconductor in 1980. It can control 10 LED lights based on an analog
C945 is a general-purpose NPN transistor that widely used in a variety of commercial and educational electronic circuits. It comes in a TO-92 package, this
BC557 Transistor BC557 transistor is a PNP bipolar junction general-purpose transistor that is used as a switch or amplifier in electronic circuits. It has 125
BC547 is a general-purpose transistor mostly used in educational and electronics projects. It is also used in commercial circuits as well as in hobbies projects.
0The Simple and inexpensive fire alarm circuit is highly sensitive. This Fire Alarm circuit alert through buzzer sound whenever any kind of fire detected in