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Indicator Circuits

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Simple Dual LED Temperature Indicator Circuit

Last updated on 30 March 2025 by Admin-Lavi Leave a Comment

The Simple Dual LED Temperature Indicator Circuit is designed to light up one of two LEDs depending on the temperature. It features an LM35 IC temperature sensor, a CA3130 operational amplifier and two NPN BC547 transistors. To ensure a stable 5V DC output the IC 7805 converts a 9V DC input into 5V. If you […]

Filed Under: Heater and Temperature Controllers, Indicator Circuits

Electronic Coin Toss Circuit using IC 555 and JK Flip-Flop

Last updated on 10 February 2025 by Admin-Lavi Leave a Comment

In many situations where people need to make choices, it is pretty common for them to just flip a coin. However, this simple method can sometimes be unfair leading to biased results. To solve this problem you can use an electronic coin toss circuit that mimics a random coin flip using digital technology and LED […]

Filed Under: Indicator Circuits

Simple Electronic Game Scorer Circuit

Last updated on 7 February 2025 by Admin-Lavi Leave a Comment

The Simple Electronic Game Scorer Circuit has been meticulously crafted to tally and exhibit scores during gameplay. This system, while simple proves to be an efficient digital counting mechanism that incorporates a IC 555 timer, IC 74LS192 a decade counter, a IC 74LS247 BCD to 7 segment decoder and a 7-segment display. Its versatility allows […]

Filed Under: Indicator Circuits

Simple 0-9 Counter Circuit with 7-Segment Display

Last updated on 5 February 2025 by Admin-Lavi Leave a Comment

A Simple 0-9 Counter Circuit with 7-Segment Display is a simple digital setup that shows the numbers from 0 to 9 on a 7-segment display. This kind of circuit is often used in things like digital counters, clocks and measuring devices where showing numbers is important. The main parts of this circuit are a 7490 […]

Filed Under: Indicator Circuits

12V Battery Level Indicator Circuit using IC LM3914

Last updated on 26 January 2025 by Admin-Lavi Leave a Comment

A 12V battery level indicator circuit using IC LM3914 is an important tool for checking how much power is left in batteries especially in devices that use 12V batteries. It gives a clear visual display of how charged the battery is helping users take care of their batteries and avoid unexpected power cuts. The IC […]

Filed Under: Battery Charger Circuits, Indicator Circuits

Voltage Level Monitoring Circuit using IC LM339

Last updated on 13 October 2024 by Admin-Lavi Leave a Comment

Voltage level monitoring is essential in modern electronics to guarantee the correct operation of numerous systems and devices. For real time voltage level visualization and measurement, a voltage level readout circuit is a crucial instrument. In order to deliver accurate voltage comparisons and dependable readouts, this circuit makes use of the LM339 comparator IC. LEDs, […]

Filed Under: Indicator Circuits

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