All Questions
Tagged with arduino-uno mosfet
8 questions
2
votes
3
answers
743
views
MOSFET switch in 120 V AC application with Arduino Uno
I am working on a project that requires an Arduino Uno to activate a safety mechanism using 120 V AC from a power supply.
Is the following diagram correct, and are there items (such as a buffer/...
CommunityBot
- 1
0
votes
1
answer
118
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MOSFET trouble with Arduino
I am new to electronics. I have a MOSFET that I'm gonna use to activate a solenoid, but for now I wanted to test it with a resistor. This is my design.
simulate this circuit – Schematic created ...
8
votes
5
answers
2k
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MOSFET overheating in Arduino heating pad project
I am very new to electronics and working with Arduinos, I am learning a lot and would appreciate any help.
I am making a heating pad system for a high-altitude weather balloon science experiment. The ...
-2
votes
1
answer
88
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Solenoid valve triggering [closed]
Will a solenoid valve if kept in on condition (triggered) all day long cause it to burn itself, due to the heat it produces or for any other reason?
Rating - (24V DC, 2A, normally closed, 1 inch, ...
- 16.8k
0
votes
2
answers
507
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How can I use my Arduino together with an external power supply?
I am trying to design a simple square wave inverter (15V input from my power supply). For this purpose I will design a H-bridge with 4 MOSFETs controlled by the Arduino (5V or 3.3V output). The thing ...
- 180k
1
vote
2
answers
426
views
Buck converter for Li-Ion 2s battery charger
I'm currently doing a project that requires the charging of a 2s Li-Ion battery.
I have an 18V 10W solar panel that I want to charge my battery using a buck converter. Im controlling the switch and ...
CommunityBot
- 1
6
votes
1
answer
5k
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Advice for this P-Channel MOSFET Power Source Selector
I know there are already questions and answers about P-Channel MOSFETs and power source selection, but I still find myself pretty confused, as many of those are more complex than my circuit or simply ...
- 407
0
votes
1
answer
462
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Big loads turns MOSFET's on despite pull-down resistors [closed]
I am using a FQP30N06 MOSFET to PWM a motor. When I test it with an LED and a PC fan it worked fine, but when I connected it to a big motor it just turns on by itself. I am using the analogWrite ...
- 35k