ExcitingProjects
  • Member for 9 years, 2 months
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What is a popular cheap and robust substitute for 2n7000 MOSFET for use with 3.3 Volt designs?
5 votes

My favorite for 3.3 Volt and even 2.5 Volt circuits is SI4562, N and P MOSFETs in a single package, with much lower Rdson for both N and P channels than the 2n7000. They are not expensive at around $0....

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How do I troubleshoot a broken SAA3004 Remote control transmitter used in a remote control?
Accepted answer
5 votes

One thing to check is use digital camera or mobile phone camera and see IR output side when pressing the remote buttons, because IR signal is usually visible by digital camera but not by eyes. Then ...

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How can I power and dim two sets of LED lights where one requires12VAC and one 12VDC
3 votes

For the 12 Volt DC dimmer, this answer provides suggestions like this one

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How do I identify Pin 1 on a chip with no corner mark
3 votes

All common TSSOP ICs seem to have pin 1 at lower left when IC is seen from above and text is correct orientation. Then pins count left to right, then on above row they count right to left, like ...

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Example circuit of fading tone?
3 votes

My simple way I did what you want was I bought a really cheap small battery power "star trek sounds" toy from a gift shop for around $1 whose sounds were like I wanted, opened it up and took out the ...

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How to make an USB keyboard work with Bluetooth instead?
2 votes

The Arduino Micro, announced just yesterday by AdaFruit and Arduino, might be a good solution for you. The new board is compatible with the Arduino Leonardo and uses the ATmega32u4, thus it comes ...

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Will a 5.1V adapter charge a device that currently uses a 5.5V adapter
1 votes

I have tried a 5 volt wall adapter with a remote control car that needed 5.5 volt charger and it did not work. The charging light came on but the car would never charge up. (this should have been a ...

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