Smart relay switch for DC when a short circuit occurs, Automatic Switch OFF the supply and an indicator will also start to glow. This is just like an MCB used for AC. This switch is used for DC supply. This automatic Cut relay switch is very useful for damage protection to the circuit from […]
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Fuse blown indicator circuit diagram
4 Fuse blown indicator circuit diagram Read More »
12v battery charge level indicator circuit led bar graph The LM3914 is a monolithic integrated circuit that senses analog voltage levels and drives 10 LEDs, providing a linear analog display. This ic is used for Dot and Bar Display. A single pin changes the display from a moving dot to a bar graph. The current
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How to make 220v AC LED indicator Generally we have seen that there are all indicators in our house on the wall switch board are of neon bulb which is small in size and connects with 68k resistor in series. You can make an indicator that glows very nice and looking so cool using
LED Power indicator for 220v AC mains Read More »