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My friend said. I also think it is true. Some of your work may want the tiny parts. So, small circuits will help it to work well. I used to build a lot of small circuits.
Of course, it takes a long time. Our time is precious. I want to help you choose this circuit that is easy. And build quickly in time. I compiled a total of 15 circuits below. Usually, the main power supply of an electronic circuit is the battery.
Thus, I make 9V power supply instead of it. You can see more simple electronic Circuits with PCB layout. Related: simplest 3A Adjustable power supply. Also, it adjustable over 1. For the alarm by using the buzzer. We can select the time 5, 10, 15, and 30 minutes with S3 to S7 as the order. When you need to use a small light bulb with a 12V battery. But no light. This light bulb requires high voltage,VAC.
You may have many ideas for this. But if you are in a hurry, here is another easy idea. It names the simplest inverter. It just uses two power transistors, two resistors, and one transformer only. So easy! You may have them in the store. If you want to make a funny circuit for people. This circuit may make laughter. It is a small high volts shock circuit. The output is low current. It is not harmful to people.
In-circuit has a few components just two small NPN transistors, 2 resistors, and a transformer. So easy to builds and inexpensive! This is my first audio amplifier circuit. I use LM as main, it is a low voltage 5VV amplifier designed specifically for audio applications. Which can be used with a small 9 volts Battery operated.
Current use as little as 5mA. And amplification up to mW. The gain is internally set to Enough to expand the sound from a mobile phone to 3-inches loudspeaker easily. It is best for a beginner or for kids to learn digital also my son loves them.
Which encourage itself repeatedly. In the circuit basically usability base IC UM66T use the sound of music sweet-sounding origin and be usable easily. It uses just integrated one circuit and a loudspeaker, piezo buzzer, the small-sized, and have power supply 3V only. I always try to make Electronics Learning Easy.
This site uses Akismet to reduce spam. Learn how your comment data is processed. I regret not being able to service the PCB for you. But I would like to recommend a good service for you. It is great and free. Then, use service at jlcpcb. It is a good idea.
The simple projects of electronics students. Simple electronics Updated: January 5, Table of Contents. Circuit 2 Simple Solar Plant watering Alarm. Circuit 4 Fixed Voltage Regulator using 78xx. Circuit 5 First Variable power supply. Circuit 6 Learn 30 Minutes Transistor Timer. Circuit 8 minutes timer using IC Circuit 9 Simplest Inverter using transistors. Simple Electronic circuits Related Posts.
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