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Presented here is an Arduino-based vehicle tracking system using global positioning system (GPS) and global system for mobile communication (GSM) modules. GSM modem with a SIM card used here uses the communication technique of a regular cellphone. The system...
This project demonstrates a wireless security system in which four pyroelectric infrared (PIR) motion sensors are placed in four sides—front, back, left and right—of the area to be covered. It detects motion from any side and turns on the...
This article describes how to build a simple and low-cost digital kitchen weighing machine, which can measure weight of up to five kilograms. This digital weighing machine is easier to design. For a heavy-duty weighing machine like your bathroom...
In this video, the presenter will have a look at the classic boost converter circuit and find a way to create a proper feedback based boost converter without a microcontroller. Also, he will show you how commercial boost converter...
In this video, the presenter will show you how he modified a common power bank in order to cut down its ridiculously long charging time. He will also explain the power bank circuit. Parts list: 1x Powerbank 1x 4PDT Switch 1x 2S Protection Circuit 1x...
Battery level indicator indicates the status of the battery just by glowing LEDs. For example six LED’s are glowing means battery capacity 60% remains. This article gives you an overview of how to design a battery level indicator. You...
In this video, the presenter is going to create an air-powered rocket launcher for kids. It is very simple to make, powered by an air pump and controlled by a solenoid valve. Courtesy: I Like To Make Stuff
In this video, the presenter is going to show you how hard drive motor works and in which way it is possible to use them as a rotary encoder. Courtesy: GreatScott
Atmel’s AVR microcontroller chips are in-system programmable (ISP), i.e. these can be programmed directly in the target circuit. A special programmer software is used to download the program from the PC into the AVR’s flash memory. Atmel offers a...
 
 

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