Clock Multiplier – Crystal Frequency Generator using PT7C4511
Timer

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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1331
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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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1200
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PWM Module with Dual Source/Sink Outputs using SG3525
Timer

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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2340
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3 Comments
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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1651
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“Connect” to an atomic clock in space! GPS, DCF77
GPSTimer

“Connect” to an atomic clock in space! GPS, DCF77

This project is a clock with radio receivers that can receive the exact time from the GPS satellites or from the DCF77 transmitter. by hkdcsf @ hackaday.io This project is a clock with radio receivers which can receive the exact date and time from the DCF77 time signal transmitter or...

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