Hackolog
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VFD Talking Alarm Clock

Circuitry, General Are you having a hard time waking your hubby from sleeping? And when you leave the house for work, are you in doubt that he has not gotten out of bed? One thing that will stop your worries is ... read more

Building a Highly-Rated Capacitor Bank

Circuitry This capacitor bank is quite a heavy creation aside from being able to handle a maximum energy of about 11344 Joules. A total of 40 large capacitors were attached to two aluminum sheets separated by a PCB. Of ... read more

Be Scared with DIY Lightning and Thunder

Circuitry Most theater plays are realistic if accompanied with appropriate costumes and sound effects. They usually have low budgets but with higher expectations from the audience. This brings out the actors resourcefulness to produce a good play. Creating your ... read more

Controlling Internet Speed via Webcycle

Arduino, CircuitryAre you ready to get fit while surfing the net? Here’s the webcycle for internet savvy. It’s a gym bicycle where the speed of pedaling determines the speed of the internet. The internet goes faster as the pedaling too. The ... read more

Easy-To-Use FM Radio Receiver

Circuitry, Radio Frequency Overview The project is a user-friendly and cheap FM radio receiver which produces the desired audio signals using integrated circuit to achieve the pre-processing units. Explanation During operation, the user is allowed to change stations and interact with ... read more

Knock Detecting Lock for Secret Door

Arduino, CircuitryThis hack aims to both record and detect knocking patterns to unlock a door in order to protect a secret hideout from intruders. It is accurate at judging knocks as it uses an Arduino, a motor, and a piezo sensor. ... read more

Homemade Word Clock Based on Arduino

Arduino, Circuitry The project is an eye-catching and unique Word Clock which literally tells the time while being powered by an Arduino Duemilanove which acts as the controller. The clock uses ULN2003A driver ICs instead of discrete transistors used to drive ... read more

Chronometer with Anachronistic Design

CircuitryThis project aims to build a nice analog, old fashion design clock based on PIC16F84 microcontroller and use pulse width modulation to control the meter. There are three analog meters used in this modification where the scales can go from ... read more

Wireless Door Locking System Resembling A James Bond Style

CircuitryA coded signal from the wristwatch is used by this home security system going to the electronic box on the door to lock or unlock the door. As seen in the image below, it uses the new TI eZ430-Chronos sport ... read more

Arduino Based Homemade Sonar System

CircuitryThis tutorial will demonstrate how an Arduino, sensors, and Processing were used to build a robot with built-in visual sonar system. The sensor is made to rotate around 180 degrees by incorporating the Arduino which will be used to control ... read more

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