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Remote Controlled Corona Protection Device Specially For Children

We know that World health organization (WHO) recommends that everyone should wash their hands with soap and water at least 20 seconds to prevent transmission of the novel corona-virus (SARS-COV-2) in...
dual axis solar tracker

Tracing the Sun: Dual Axis Solar Tracker System

Solar energy is coming up as a major source of energy. The need of the hour is renewable energy resources with cheap running costs. With the current systems for solar energy...

HDL and FPGA: From Gates to Microprocessors

Digital designs can be described precisely and concisely using hardware description languages (HDLs) like Verilog and VHDL. Both languages are capable of digital circuit modelling, design and verification but have unique...
IoT Touch Switch

DIY: e-Ink-based IoT Touch Switch

e-ink displays are quite impressive as they use electrically activated ink molecules, which doesn't lead to fading away of designs made using it - even after the power supply is turned...
Shortwave Transmitter

Crystal-Controlled Shortwave Transmitter

A shortwave transmitter can be built with IC CD4049, which is used as an oscillator and a buffer amplifier. The transmitter can be crystal controlled to work at a frequency of...

BCI-Based Mind Controlled Computer Using Raspberry Pi

“Now control any PC or play any digital game using brain waves”  Characters in sci-fi movies are often seen operating a computer with their minds. While this may not be possible...
Aircraft Signal Receiver

Aircraft Signal Receiver Using RTL-SDR and DUMP1090

ADS-B, or automatic dependent surveillance - broadcast, is used by commercial airplanes to broadcast their latitude and longitude along with other information to the air traffic controller. This information is transmitted...
Mini Fridge Prototype

Smallest Portable Mini Fridge

A Mini Fridge that can work with any power bank and without using harmful CFC gases. Ever heard of a 5V portable freezer? Yes, you heard it right. In this DIY we...
MOSFET based preamplifier

MOSFET based Preamplifier for FM Radio DXing

FM transmissions can be received within a range of 40 km. If you are in fringe areas, you may get a very weak signal. FM DXing refers to hearing distant stations...

Hector Slam Mapping and Indoor Positioning ROBOT with ROS and Lidar

While various GPS-based maps facilitate autonomous robots and vehicles for accurate positioning when outdoors, they are unable to do the same indoors. Robots tasked with things like moving packets in a...
 
 

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