In theory it is relatively easy to determine the capacity of a battery: it is the integral of the discharge current over the time it takes a fully...
Product Code: 071131 Price: Rs.2,103.75
Dimmers come in many varieties — you’d think. Still, the author did not find what he wanted. So it was back to the drawing board to...
Product Code: 090315 Price: Rs.540.00
Most people find it more difficult to reverse a car than drive forwards. In any case, it is much trickier to estimate how much space there is...
Product Code: 090184 Price: Rs.990.00
The external appearance of this small module with an LC display almost belies what it has inside: a complete stereo preamplifier and final...
Product Code: 090563 Price: Rs.1,350.00
With this smart switch you can turn mains-powered devices on and off easily and conveniently.
Product Code: 080257 Price: Rs.438.75
With personal PA systems there’s a fairly good chance of feedback howl.
Product Code: 090675 Price: Rs.922.50
A variety of remote control devices for Winamp and other PC-based media players have been available for a good while.
Product Code: 090531 Price: Rs.1,215.00
This year, for the first time, the efficiency of LEDs has overtaken that of fluorescent tubes. Power LEDs are thus now a realistic and energy-...
Product Code: 071129 Price: Rs.360.00
It takes only a handful of components to build our intelligent regulator.
Product Code: 080225 Price: Rs.438.75
The structure of the SMD-stuffed board is quite simple, because the soldering is limited on leaded components. By fine tuning the position of...
Product Code: 080678 Price: Rs.922.50
This circuit can be called using your mobile or a regular telephone set (with DTMF keys) and after passing some procedures, you can control DC-...
Product Code: 080037 Price: Rs.1,035.00
The car alarm described here detects changes in the tilt angle of the vehicle in which the alarm is installed. It is set off when the change in the...
Product Code: 080064 Price: Rs.810.00
With this handy portable scanner, you can quickly and easily see which Wi-Fi and WLAN frequencies are being used in your area and which channels...
Product Code: 070040 Price: Rs.1,001.25
Using its two electrodes, formed from two stiff pieces of bare copper wire, the circuit can be stuck into the pot of any plant you want to monitor.
Product Code: 081174 Price: Rs.202.50
To keep the circuit simple as well as compact, it was decided to use a chip made by Maxim Integrated Products, the MAX2606.
Product Code: 080727 Price: Rs.157.50
This ingenious new design combines powerful capabilities with low technical overheads. It has programmable AC mains switching outlets plus status...
Product Code: 080324 Price: Rs.888.75
With this practical test curcuit you can record curves of NPN / PNP transistors, N / P JFETs and N / P MOSFETs. Base of the curcuit is a R8C/13...
Product Code: 080068 Price: Rs.1,676.25
Capacitive touch sensors are based on the electrical capacitance of the human body. When, for example, a finger comes close to the sensor, it...
Product Code: 080175 Price: Rs.213.75
This compact DC power supply instrument module can be used with new supplies and older types lacking this capability. And thanks to microcontroller...
Product Code: 070559 Price: Rs.326.25
Energy Saving may well be a must-have feature for home entertainment products sold today but there are still millions of older and even not-so-old...
Product Code: 070797 Price: Rs.438.75
Most small function and signal generators do not have a very accurate frequency control and do not offer a built-in frequency counter. Help is at...
Product Code: 070954 Price: Rs.270.00
The RFID-based project described here employs a specially-programmed IC from the ‘SFChip’ (the ‘SF’ stands for ‘...
Product Code: 071154 Price: Rs.326.25
Carbon dioxide (CO2) is not just a threat to the environment, it is also an important and often ignored factor in determining air quality in the...
Product Code: 070802 Price: Rs.776.25
Men like their hobbies. The author is a particular fan of fishing, and like many anglers is the proud owner of not only a fi shing rod, but also a...
Product Code: 070821 Price: Rs.1,001.25
