Recent content by Tizzo

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    Can SMD components be used on a breadboard with a cheap soldering iron?

    I'd like to breadboard a surface mount IC for testing. Is there some type of connector that can be purchased to plug the IC into which will provides wire leads for breadboarding? Failing that, I guess I could try to solder leads to the IC. But at 3mm x 3mm and 10 pins, I think that's next to...
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    Is My Circuit Design Correct for USB Charger and Main Load Sections?

    Thanks again for your feedback. I think the Nchannel FET is what I intended. Actually, I think another MOSFET should do. Connecting the gate between the load and the other mosfet should leverage the inverter behaviour that I'm looking for. When one mosfet is on, the other will be off, and...
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    Is My Circuit Design Correct for USB Charger and Main Load Sections?

    Actually, those capacitors are not supposed to be in series. My mistake. The resistor getting hot is the load part of the circuit. That's useful. The question is...when the switch is closed and the resistor is getting hot, will the charger section of the circuit actually be cutoff...
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    Can a Small Motor Effectively Heat Nichrome Wire for a Low Power Heater?

    You'll only need about 0.2 amps to get 50deg C. If it's 3.25 ft and 35 AWG you're probably looking at about 63ohms resistance. You'll need 12.6V to get your 0.2amps. That's 2.52 Watts. Maybe you can hook the motor up to a multimeter and figure out how much current and voltage you can get...
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    Is My Circuit Design Correct for USB Charger and Main Load Sections?

    I was wondering if anybody could help with this circuit I'm working on. It has a USB charger section as well as a main load section. A JFET ensures the charger isn't connected while the load is on. A Mosfet allows the tact switch to control the load (0.3ohm) running 12 amps. I...
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