Tag Archives: 7 segment display

Light Gate With Counter Using 555 And 4033

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The circuit described here counts the number of times that an infrared beam is interrupted. It could be used to count the number of people entering a room, for instance, or how often a ball or another object passes through an opening (handy for playing shuffleboard). The heart of the… Read more »

7 segment display driver

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7 segment display. Seven segment display is a device that can display decimal numbers and are widely used in electronic clocks, electronic meters, digital display panels and a hand full of applications where numerical data is is displayed. The idea of seven segment display is very old and they are… Read more »