This is a simple circuit useful to provide 10 Bit Position LED Indicator using IC 3914/15. This circuit can be used in multiple ways like Antenna Position Indicator or any similar Position Indicator requirements just using a Variable Resistor (Potentiometer) as an input.
As seen from the video, this circuit has 10 LED outputs and 1 Potentiometer input. As we vary the resistance at the input through Potentiometer position, Bar-graph LED glow position changes. We can configure this circuit to work in DOT Mode or Bar-Graph mode, depending upon our requirement.
Further, this circuit can be coupled with a set of opto-couplers to drive a Buzzer or a Relay for any specific LED output using an Opto-Coupler & Relay Driver Circuit.
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