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Guitar and Microphone Amplifier Using TDA2005M

Petre Petrov, Assistant Professor, Technical University of Sofia
This simple audio power amplifier works with guitars and microphones, delivering an output power of around 20W over a load of 4 ohms. The amplifier...

Your Guide To Soldering

EFY Bureau
Attaining ‘zero defect’ production requires a thorough knowledge of soldering technology. Here is a lowdown on the different kinds of techniques, material and equipment...

Intercom Using LM386

Petre Petrov, Assistant Professor, Technical University of Sofia
Keep in touch with your family members from one room to another and also from outside areas such as the garage, using this intercom...

Designing Low Power Products Using MSP430 Microcontroller

EFY Bureau
The use of battery-operated electronics gadgets is increasing fast in our daily lives. Products are expected to be versatile, while consuming minimal power. Reduced...

Eight Channel Data Acquisition And Logging System

EFY Bureau
In environments like factories, power plants and transformers in electricity substations, controlling temperature to a safe value is important. Supervisory and control systems are...

Remote-Controlled 6-Camera CCTV Switcher

EFY Bureau
Closed-circuit television (CCTV) uses video cameras to transmit signals to specific monitors. It differs from broadcast television in that the signal is not openly...

Dual-Tone Horn

EFY Bureau
This circuit generates two different frequencies and mixes these to produce a balanced ringing tone, which can be used in burglar alarms or call...

AT89C51 Based DC Motor Controller

EFY Bureau
Motion control plays a vital role in industrial automation. Manufacturing plants in industries like chemical, pharmaceutical, plastic and textile, all require motion control. And...

T&M Trends For RF Designers

EFY Bureau
The article looks at the emerging trends and applications in the RF design space which are driving the development of cutting-edge test and measurement...

Testing In Manufacture

EFY Bureau
During manufacture, testing adds to the cost of the final product significantly. Sometimes the cost of testing can be even greater than the cost...
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