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“This is an Instructables on how I made an Arduino based Laser CNC wood engraver and Thin paper cutter using old DVD drives, 25mW laser. Playing area is 40mm x 400mm max. Isn’t it fun making a own machine …
“An inverter converts the DC voltage to an AC voltage. In most cases, theinput DC voltage is usually lower than the output voltage of the inverter while the output AC is equal to the grid supply voltage 120 volts, or …
“When the “glow in the dark” clock was finished it realized that I could relatively easily start another clock project. An idea I’ve had in my mind for many years… the linear clock. Now a linear clock is nothing …
“This is a very intresting project and utlize very less efforts lts make a very simple RPM meter (Round Per Seceond In my case).”
“Welcome back. Today we will build a power meter using Arduino. We already build the current meter in a past tutorial and also a capacitance and resistance meter and the inductance meter. Check all those tutorials here and learn more …
“This is the source and schema for another homemade digital clock I’ve made. Keep in mind that it takes a long time to print all the parts and in daylight it’s not very bright.”
“Heart rate is a very vital health parameter that is directly related to the soundness of the human cardiovascular system. This project describes a technique of measuring the heart rate through a fingertip using a PIC microcontroller. While the heart …
“The Haptic glove is a device for the blind and/or visually impaired that provides the wearer with information about obstacles in their immediate surroundings. The glove uses two ultrasonic sensors that report the distance and orientation of objects. Depending …
“This cool little Pocket Metal Locator is sensitive enough to identify small nails and tacks in wood and compact enough to fit into awkward spaces making it convenient to carry and use for metal locating. The unit has four independent …
“Has this ever happened to you? You come back from a romantic dinner date and when you open the shutter door of your garage you realize that you left the garage light ON. You spent few hours outside with your …