Multibay charger for 2S configuration

Do you want to charge a 2S battery pack, or want a charger that can be customised to charge up to 32 cells? Then the reference design from MPS is suitable...

Micro Spy Bot

Microrobots with live audio and video streaming capabilities can help in tracking human beings during earthquakes and also perform underground surveys. These micro-robots can inspect very minute hole areas that are...
E-ink phone size compared to a finger

First Ever Finger-Size Full-Touch E-Ink Phone

Phones are getting smarter and more complex with many functions that most of us find difficult to use. The modern smartphone uses either a backlight display or an OLED display that...

Multi Room Audio Streaming Wireless Speaker

Many times we did wish to stream the same song in multiple locations simultaneously. Audio streaming can be done on all speakers while connecting a single audio source to another speaker...
Fig. 1: The image components of the analogue APT

Weather Satellite Station For Meteor M2 Reception

The basic setup needed to receive the weather satellites was covered in ‘Set Up Your Own Weather Satellite Receiving Station’ article published in January issue. The antenna setup, the receivers, and...

Smallest FM Audio Bug Spy Device

Note: This project is solely made for educational purposes and does not encourage illegal usage As seen in James Bond movies; bugging devices are used by intelligence agents in different parts of...
Batteryless Remote

Designing Batteryless Remote

“The first Batteryless remote that can work for years" There is much chemical waste being generated with billions of remotes being used. The waste produced from batteries keeps increasing annually. This DIY...
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...
24V/12V Battery Voltage level indicator

24V/12V Battery Voltage Level Indicator

Sometimes we do not notice that the battery has drained out and as a result the connected equipment does not work properly. By connecting this simple 24V/12V battery voltage level indicator...

Wireless Charging Circuit For Micro Sized Werable Earbuds And Devices

Designing wireless charging systems for small-size electronic devices like smartwatches, AirPods, Bluetooth headsets, etc. is very difficult. Added to that only a few types of these devices support wireless charging. While none...
 
 

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