The ZSWatch: A Stylish and Functional DIY Smartwatch for the Modern User
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The ZSWatch: A Stylish and Functional DIY Smartwatch for the Modern User

Smartwatches allow you to stay connected and receive notifications without having to pull out your phone. Also, these watches come with built-in fitness tracking features that allow users to monitor activity levels, and workouts and set fitness goals. The ZSWatch is the ultimate...

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Clock Multiplier – Crystal Frequency Generator using PT7C4511
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Clock Multiplier – Crystal Frequency Generator using PT7C4511

This is an easy-to-build project and it is the most cost-effective and high-performance frequency multiplier, which instigates analog phase lock loop techniques. The circuit provides high-quality, high-frequency output from lower frequency crystal or clock input. The project can be used...

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Voltage-Controlled Pulse Width Modulator (PWM) – PWM Signal Generator
MiscellaneousTimer

Voltage-Controlled Pulse Width Modulator (PWM) – PWM Signal Generator

This is an easy-to-use voltage to PWM converter. The project occupies very little space.  The circuit is built using the versatile silicon timing device LT6992-1 chip. Pulse Width Modulation (PWM) Controlled by Simple 0V to 1V Analog Input, multiturn trimmer potentiometer provided to...

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Multiphase Oscillator with 40% Spread Spectrum Frequency Modulation and 250Khz Output Frequency
TimerTop Stories

Multiphase Oscillator with 40% Spread Spectrum Frequency Modulation and 250Khz Output Frequency

This is a precision, low power, and easy-to-use oscillator that provides multiphase outputs. The output frequency of the project is set to 250Khz, with 40% spread spectrum. The oscillator frequency can be set by resistor R1, and the spread spectrum can be changed using R3. The master...

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1Khz to 20Mhz Low Power Oscillator
Timer

1Khz to 20Mhz Low Power Oscillator

This is a precision, low power oscillator that occupies very little space.  The oscillator frequency is adjustable using an onboard multi-turn trimmer potentiometer. The output of the circuit is very accurate and has a 1.5% frequency error. The project operates with a single 5V power...

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PWM Module with Dual Source/Sink Outputs using SG3525
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PWM Module with Dual Source/Sink Outputs using SG3525

SG3525 PWM module is a great tool for every hobbyist. This circuit can be used in various applications such as switching power supply, DC-DC converter, DC motor speed controller, LED dimer, High voltage power supply, solenoid driver, and electronic DC load.  This low-cost pulse width...

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Arduino Compatible 2-digit 7-segment Display Board for Timer/Counter
ArduinoTimer

Arduino Compatible 2-digit 7-segment Display Board for Timer/Counter

The project presented here is an open source 2-digit 7 segment Arduino compatible display board. It can used in many applications that require 2-digit display and switches inputs. Possible application of this board is a 2-digit counter, 2-digit countdown timer, token display, score...

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Analog Clock Motor Driver Implementation Using GreenPAK™
Timer

Analog Clock Motor Driver Implementation Using GreenPAK™

Introduction Even in a digital world, classic analog clocks have a timeless style. This simple but universal technology is presented in the article. The implemented project uses a dual-rail GreenPAK™ SLG46121 which can perform all the active electronic functions needed in an...

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