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This circuit is a frequency doubler utilizing the 4011 IC. It employs a CMOS quad two-input NAND gate package, specifically the 4011. The circuit consists of two main components. The frequency doubler circuit using the 4011 NAND gate is designed...
The digital visitor counter is a reliable circuit designed to accurately count the number of persons or visitors in a room. When an individual enters the room, the counter increments by one, and when someone leaves, the counter decrements...
A beginner or hobbyist is seeking to learn more about microcontrollers. The objective is to display an output on an LCD when a button on the keypad is pressed. To achieve the desired functionality of displaying output on an LCD...
This document presents an intriguing collection of frequency dividers with division factors ranging from 2 to 10. All options are based on the 7490, which is a decade and binary counter. The frequency dividers utilizing the 7490 integrated circuit (IC)...
The AD654 voltage-frequency converter is a low-cost device that operates with a single supply voltage ranging from +5V to +36V, as well as with dual supplies of +5V to +18V. It can handle a maximum input voltage of 36V...
The signals below 550 kHz include maritime mobile, distress signals, radio beacons, aircraft weather information, European Longwave-AM broadcasts, and point-to-point communications. A low-frequency converter transforms the 10 to 500 kHz LW range into a 1010 to 1550 kHz MW...
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