This Cricket Stumps and Bails LED Indicator Circuit uses flashing LEDs that glow when the ball hits the stumps. The circuit detects the disturbance and immediately lights the LEDs, creating an effect similar to modern cricket stumps used in professional matches. In addition, the circuit uses a light sensor and an LM3909 IC, while a […]
Indicator Circuits
Low Power Led Flasher Circuit using Nand Gate IC
Make your led blink easy with this easy to make Low Power Led Flasher Circuit using Nand Gate IC, as it uses IC CD 4093, a quad Nand gate with Schmitt trigger input. Also, the circuit makes led blink with very less power and it can run from small 6V battery too. Circuit Working: Parts […]
Dual LED Temperature Indicator Circuit
Dual LED Temperature Indicator Circuit light one LED when hot and other when cold and it uses IC LM35 temperature sensor, CA3130 op-amp and two BC547 transistors. IC 7805 change 9V to steady 5V and if there is 5V already then we can connect directly, then IC LM35 gives 10mV more for every 1°C rise. […]
Electronic Coin Toss Circuit using IC 555 and JK Flip-Flop
Many times people make choice by flipping coin, but this method is not always fair but sometimes it give biased result and therefore, to fix this we can use Electronic Coin Toss Circuit using IC 555 and JK Flip-Flop. It works like real coin flip using digital technology and LED. This circuit has two main […]
Electronic Game Scorer Circuit
To begin with, we call this circuit an Electronic Game Scorer Circuit because it uses a 555 timer IC, a 74LS192 counter, a 74LS247 decoder, and a 7-segment display. When player presses the button the circuit counts the score and each press increases the number on display, so it is easy to keep score in […]
Simple 0-9 Counter Circuit with 7-Segment Display
A Simple 0-9 Counter Circuit with 7-Segment Display shows numbers from 0 to 9 and serves digital counters, clocks and measuring instruments. Also, main parts of this circuit are 7490 Decade Counter IC, 7446 BCD to 7-segment Driver IC and it works with Common Anode 7-segment display with all LED positives joined. Moreover, a 5 […]