This is dual 15v power supply schematic, using LM7815,LM7915,and power transistor and zener diode for voltage stable voltage 15 volts positive and negative. [...]
Are you looking for a mini project? You want to build the circuit diagram with the PCB layout. My site may be the one choice for you. We have a collection of the mini project more than 200 projects.
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They are ideal for…
- Student schools.
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It is a good learning by doing!
If some project does not work. I am sorry to hear that. But you will learn the solution. It is not a failure. But it is another way of learning.
Most circuits assemble on universal PCB Board. Because of cheaper and faster than buying KITs.
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There are 250 simple electronic projects and cheap for you. Are you improve yourself by creating an electronic project? Let's get started!