Alert System For High and Low Air Pressures
Maintenance of fluid pressure is critical in factories. While high fluid pressure can result in the bursting of pipes, low fluid pressure can create irregular fluid storage and transportation. Having a...
Smallest Open-Source Function Generator
A function generator is an essential equipment used by design, and test and measurement engineers as well as DIYers. Most of the function generators available in the market are expensive and...
Homemade Laptop Using Raspberry Pi
The laptop has now become one of the must-have items everyone should own.
Today different varieties of laptops are available in the market, with different price tags. You will be amazed to...
GSR Based Lie Detector Device
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...
Finger-Sized Portable Voltmeter
From electronics/electrical engineers to product developers, one device that is essential for electrical testing needs is the voltmeter and if you are an electronics DIYer or hobbyist, a voltmeter is such...
Low-Cost Tachometer
From drones to smart cars, from lifts to industrial robotics, all use an important device: a motor or rotating gear. For reliable, robust and efficient motor design, measurement of rotational speed...
Furnace High-Temperature Monitoring and Logging System
Measuring and monitoring temperature above 200℃ to 1000℃ is a highly difficult task, especially when you want to carry it out digitally because most sensors have a sensing range below 200℃,...
Long Range Audio Spy Device
Bluetooth-based spying devices can help you eavesdrop on someone, just like in James Bond movies. But Bluetooth and also WiFi have a very low range. Wouldn’t it be cool if you...
Microwave Radar Based Electric Shock Protection
When it comes to the safety of children near electric sockets at home, many cases of accidents occur due to electric shocks. Although protection systems are adequately placed in such outlets,...
Visitor Counter Using RGB APDS-9960
We have heard of events/parties going out of control due to gate crashing by uninvited guests. Now, as a solution, imagine your door counting the number of invitees and raising an...
