Electronics Prototype Design By Compu Drive System

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Many have given a right answer yesterday it's a inverter indicator circuit. Today a raw way of using a humidity sensor without any MCU. We in INDIA Kolkata do all electronics engineering design and development from home, office to Industry, So if you have any plans for customized automation do call US at +91 9831092629. Visit  www.compudrivesystem.com  for our company profile.

Hi! friends, Can I know the name of this circuit and two application of it...The best answer gets a surprise. Compu Drive System almost 3 decades into electronics prototype design & development.

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Playing with Servo Motor without Micro Controller is a typical demand in young starts, so a small circuit to play with Servo Forward and Reverse Direction using very common NE555.

For diploma, engineering colleges and engineering students digital trainer board to cover 300 Plus experiments. We also customize trainer board according to college needs.

Hello Friends, today again a very important circuit a concept of analog switch working on the principal of resistor divider network.

Hello like to play with tri color LED color generator circuit.

A concept of bounce less switch which we often required in digital and MCU Electronic Circuits. There are 1000 ways to cover it. In this today's circuit I am using IC 4049 the HEX Inverter.

A small concept of moving message display circuit using 74164, a ROM, 4040 as address generator and 555 as clock generator.

Today a small circuit based on the same MCU to display room temperature and humidity with 5 sec. changeable 7 segment display.

Current limiting for 1 Watt LED using LM317.

A wonderful circuit using MQ3 the alcohol level sensor. You can use with different MQ's to sense different gases.