We do know that times can get pretty hard for some of us out there, especially when you are out of a job for the longest time and your savings have just about run out. Well, that would mean being even...
The circuit of the running light comprises two integrated circuits (ICs), a resistor, a capacitor and seven light-emitting diodes (LEDs), Decade scaler IC2 ensures that the LEDs light sequentially. The...
If you have always wanted to have a cool looking timepiece that is extremely difficult to read, then you would not be able to go wrong with Tokyoflash’s collection of timepieces. Their latest addition...
We do know that times can get pretty hard for some of us out there, especially when you are out of a job for the longest time and your savings have just about run out. Well, that would mean being even...
I am quite sure that by now, many of us have already amassed quite a collection of USB flash drives over the months and years that have gone by. Hardly any conference or road show is devoid of a USB...
Following two budget-friendly smartphones, BLU announced its flag grade Android phone – Life Pure. If you need a high performance smartphone, let’s go on checking. BLU Life Pure is a 5-inch Android smartphone...
Here is a solar powered Flasher to scare away the nocturnal animals like bats and cats from the farm yard or premises of the house. The brilliant multicolored flashes confuse these animals and they avoid...
New Trent recently released a new power bank – PowerPak Ultra. If you like rugged design or need a large-capacity option, the backup battery should be able to catch your eyes. The PowerPak Ultra is a...
Women might say that they will never be able to have enough handbags and shoes (generally speaking), while men might never get enough of their power tools and hardware toys, and kids with their video...
LG’s current foray into the Android device market happens to be limited to just smartphones, phablets and tablets, but it seems that they are also taking off in a different tangent with Google’s Chrome...
I am quite sure that many of us have attended our fair share of trade shows and conferences over the years that we have amassed quite a collection of USB flash drives in our homes, so much so that these...
Inexpensive miniature transformers normally provide one or two secondary voltages, which is sufficient for generating a set of positive and negative supply voltages, such as are needed for operational...
This circuit was designed for use in a hifi showroom, where a choice of speakers could be connected to a stereo amplifier for comparative purposes. It could be used for other similar applications where...
This is an automatic emergency lamp with day light sensing, means it senses darkness/night and turns ON automatically. Similarly it senses day light and turns OFF automatically. A simple emergency lamp...
The indicator shows when the mains is present at its output by a continuous glow of a neon bulb, La1, and when the fuse is blown by flashing of the neon bulb. When the fuse is intact, capacitor C2 acts...
This electronic cricket is a present for Kids. This simple battery powered circuit can be used to play Cricket Match with your friends. Each LED in the circuit indicates various status of the cricket...
Do you drive an older car without an automatic "lights-on" warning circuit? If so, you've probably accidentally left the lights on and flattened the battery on one or more occasions. This headlights...
id America recently released LX, its latest dual USB car charger with leather grip. If you’re looking for a decent USB charger for your car, the LX may be able to catch your eyes. The LX is a practical...
Many modern circuits tend to work from a single supply voltage of 3V. But often they need a virtual earth at half the supply voltage for efficient operation. The splitter shown in the diagram bisects...
The simple indicator presented in this article may be combined, in principle, with any circuit that contains an LED bar display driven by a Type LM3914 IC. It ensures that an LED will light when all...
A Battery-status Indicator circuit can be useful, mainly to monitor portable Test-gear instruments and similar devices. LED D1 flashes to attire the user's attention, signaling that the circuit is running,...
A simple 5 Volt regulated PSU featuring overvoltage protection. The 5 volt regulated power supply for TTL and 74LS series integrated circuits, has to be very precise and tolerant of voltage transients....
One of the drawbacks of a three-pin voltage regulator is that the input voltage needs to be 2.5–3 V higher than the output voltage. This makes these integrated regulators unsuitable for battery power...