Arduino DIYs

As the world gets hot due to global warming, air-conditioners are becoming a necessity to keep cool at home and workplaces. But at times it becomes difficult to provide proper drainage...

A cool device that can recognise you, greet you while playing the song “jingle bells” and distribute chocolates. We are now in Christmas week and many of you would have started planning...

Due to coronavirus we are now used to alcohol based sanitisation liquids and sprays but what about disinfecting items like goggles, keys, mobile phone, watch, currency notes, laptop, courier packets, etc...

Speaking the truth is crucial for reaching an amicable conclusion in law courts and several other scenarios related to receiving justice. But not everyone opts to speak the truth at all...

All residential and industrial units have energy meters that show energy consumed by the users. But the power (watts) is not shown by these meters, except by some new models. During measurement,...

As Covid-19 is still rampant we need to be cautious. Wearing mask, social distancing, and washing or sanitising our hands properly from time to time is absolutely necessary to avoid it....

We generally measure voltages with a multimeter or a voltmeter. But you can also measure low-value DC voltages up to 5V that are generally found in electronics circuits with this laptometer...

Every microcontroller project needs a display. An LCD display with one or two rows for characters is a good choice but it needs several wire connections to make it work. There...

This is an IoT based Automated table lamp that works in such a way that whenever a person sits on the chair it automatically turns on and when the person leaves...

Here is a simple, low-cost project to control the speed of a DC motor linearly for specific and precise applications. Normally, pulse-width modulation (PWM) is used for varying the speed of...