Automated Optical Inspection In SMT Environment

Automated optical inspection (AOI) is one of the best inspection tools in the SMT environment. It helps identify issues and defects in the early stages of the manufacturing process. This article...

Smart Car Back Camera And Collision Protection

Most people use the side and rear-view mirrors to manoeuvre their cars since a camera installed at the back of the car can be quite expensive. So, today we have undertaken...
Smart Noise Detector Circuit

Make This Noise Detector For A Noise-Free Zone

‘Please Keep Silence!’ You must have seen this message written in such places as libraries and offices. But some people tend to, intentionally or unintentionally, make noise in such silence zones,...
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...
Crystal radio prototype

The Forgotten Crystal Radio – Revisited

You may be wondering about this article on a crystal radio in an era of digital broadcasting and digital audio. Crystal radios were quite popular and played an important role in...

AC Current Monitor Using Arduino

Obtaining AC current readings from an AC wire helps us to know the amount of power that electrical appliances consume, promoting effective maintenance of the required load and supply. So today you...
ESP32 Touchless Temperature Scanner

ESP32 Touchless Temperature Scanner

Ever since the UK variant of Covid19 hit our country towards the end of March-21, in a span of two weeks we have more than 300 active cases in our small...

Do DIYers and Engineers Need Such an Instrument?

Can you imagine carrying a complete set of instruments in your back pack? Being able to do your entire lab work--from where-ever you are? Liquid Instruments recently introduced a cute looking device...

Implementing a Low Cost, Battery Powered, TDS Meter Using MCU and PSoC

One of the common method in determining the quality of water is the measurement of Total Dissolved Solids (TDS). TDS meter is a widely used water quality sensor which measures the...

Radar and ROS Powered Indoor Home Mapping and Positioning Robot

The indoor mapping and positioning feature of a Robot Operating System (ROS) controlled robot is essential in navigating through a hall, warehouse, room or in any other environment. Since many find it...
 
 
 

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