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GSM-based SOS Alert Device
The safety of children, elderly people, medical patients and women is a prime concern, whenever they are outside or at home alone. Nobody wants...
IOT-based Light Dimmer and Speed Controller
Controlling the light brightness or fan speed is often done using a regulator found in switchboards. But can you control them using a smartphone?...
Taxi Fare Meter
A taxi meter in cabs and autorickshaws calculates the fare based on the distance travelled. Here is a circuit that calculates the trip fare...
Contactless Smart Bin
This smart bin can help maintain clean and hygienic environment as garbage can be thrown into it without touching it. The bin has a...
DIY: Simple Oxygen Concentrator To Assemble At Home
In the present world, highly affected by pandemic, there is a huge spike in Covid-19 infection cases in many places. With limited resources the...
Automatic School Bell That Also Announces Alert Messages
As the coronavirus pandemic continues, and could affect school-going children as well, the importance of smart devices has increased. This automatic school bell announces...
This Tiny Device Packs In Great Power For Machine Vision Applications
Makes analysing and processing of images on the edge for advanced machine vision and edge computing a possibility
Over the past few years, with the...
Making It To the Stratosphere and Beyond
Was your education related to technology/electronics? If yes, why did you select this field?
I did my undergrad in electronics and communication engineering. I selected...
DIY: Low-Cost IoT Solid-state Relay
Electromechanical relays are not reliable power switches. The electromagnet that they use needs to be energised till the plunger is at a specific position,...
Pressure Regulation System for High and Low Air Pressures
Here we designed a smart Pressure Regulation System using Arduino and a Pressure sensor.
Maintenance of fluid pressure is critical in factories. While high fluid...