Electro Tech is an online community (with over 170,000 members) who enjoy talking about and building electronic circuits, projects and gadgets. To participate you need to register. Registration is free. Click here to register now.
Welcome to our site! Electro Tech is an online community (with over 170,000 members) who enjoy talking about and building electronic circuits, projects and gadgets. To participate you need to register. Registration is free. Click here to register now.
Hello.
I accidently used wrong power supply on my Yamaha keyboard - it has the same voltage (12V) but reversed polarity. They Keyboard did not turned on. After I changed to the correct power suply unit and did a quick check it seems to work but I wonder if the damage can be more subtle and...
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