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4 questions
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How to use TVS diode for Overvoltage Protection while powering Arduino on Vin Pin?
I am trying to make a protection circuit for Arduino nano to protecting overvoltage. Normally if I powering "Clone" arduino NANO with 12 Volt, Arduino nano is starting to smoke. So I've ...
- 1,193
1
vote
1
answer
633
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Will my zener diode work again with a polyfuse after a overvoltage?
I am trying to make a simple overvoltage & current limiting circuit for my PCB.
I made the following circuit.
The zener will break down and conduct current to ground. Since its resistance has ...
- 13
0
votes
1
answer
208
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unnecessary usb protection?
I have a device with two voltage sources and therefore I need atleast a diode on the lowest source to secure it. The lowest source is a 5V USB, and it is protected with a schottky diode with a 0.5V ...
- 93
0
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4
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1k
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Dual AC feed to power a DC unit (Raspberry Pi) with Diode and Polyfuse for protection
I wish to place some Raspberry Pi's in remote locations (data centres) for telemetry and other services like serial OOB access.
Typically dual AC feeds are presented to customers in a data centre ...
- 581