A typical dimmer intended for incandescent lamps cannot be utilized directly to control the luminous strength of fluorescent lamps. Nonetheless, it could be conveniently modified for this specific purpose by […]
Archives for 2018
Temperature Meter Using Digital Multimeter
Using this handy circuit, we are able to transform an ordinary transistor and a multimeter (in the VDC scale) perfectly into a digital temperature meter having a range of -30 […]
Solid State 220V to 110V Converter Circuit
Through this functional circuit it is possible to acquire 120 VAC RMS from 240 VAC. Typically, in these circumstances precisely what is employed is a huge transformer for the step […]
How to Make an Opamp with Transistors (BJTs)
In this we learn how to make a simple opamp using a handful of transistors or BJTs, which will work quite like an opamp and can be configured like normal […]
Make this 5 km Long Range Transmitter Circuit – Full Tutorial
The proposed circuit is a straightforward to construct 5 km range FM Transmitter. It includes 3 blocks; modulator / oscillator, 2 stage 500mW VHF amplifier and LED based power meter. […]
Simple Drill Speed Controller Circuit – 220V, 120V AC Back EMF Dependent
Here we learn how to build a simple back EMF dependent 220V drill speed controller circuit, which allows the drill machine torque to increase proportionately as load increase. It implies […]