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If it's a plate, it should be 1 square meter, not one cubic meter... unless it isn't a plate? If you want very good temperature uniformity on your surface, then it'll be hard. It'll also depend if y …

I'd say it depends on the level of trust you have in the manufacturer. Are X and Y caps the "properly rated kind" or a 1 cent ceramic disc that will one day kill you? Is creepage distance healthy or …

The power supply does not have a Class 2 logo on the sticker: A Class II or double insulated electrical appliance is one which has been designed in such a way that it does not require a safety con …

Due to voltage drop in wires it is a good idea to use a voltage regulator in each device. I'm going to do something similar: I will distribute 5V, and have 3V3 local LDOs because everything runs at 3V …

Q1: how much current can I draw from such a combination? 1A, 16A, 17A...? If you put two power supplies in series, then the maximum current will be that of the weakest supply (in your case, 1A). Q2 …

Considering the number of LEDs, the current draw must be quite high, like 1-2 amps. I assume the LED matrix needs 5V supply. It would be unreasonable to power it from a linear regulator (such as the …

Some salts and chemicals always remain on the PCB after manufacture. When water condenses on it, it becomes slightly conductive, but not enough to cause problems like short-circuits. The worst that ca …

Voltage does not harm you, no matter how high... it's the current that gets you. Burns need lots of current. Cardiac arrest needs very little. For extra comic relief, when you're on top of a very hig …

since the load is a motor not much regulation is required and quite a bit of ripple is tolerated. Since you don't specify how much ripple is "quite a bit of ripple" then I will assume that 100% r …

Two possible causes, with a bonus one: 1- Speaker does evil things to mains voltage 2- Speaker sends common mode noise into signal cables, which zaps the TV. 3- Speaker radiates enough EMI through …

The ESR of frozen electrolytic capacitors goes through the roof, if you have any in your design, please check for potential problems. Whether any of the components in a Raspberry Pi is actually rated …

If you use a DC-DC on the output, these will most likely have a current limit. If it's one of the $0.99 ones though, the "current limit" may involve a puff of smoke... At least put a fuse on the pri …

Why does current flow from PSU a to PSU b? If they're ATX supplies then the output GND is connected to protection earth, so both GNDs are connected together to the power strip's earth (or the ho …

Since the peak voltage of 220-230VAC mains is about 320V, and you use 300V maximum, any standard mains rated cable should work just fine. Any other wire rated for this voltage should also work (like t …

The only reason I insist on it is that if the voltage has less telorance, The ADC would be more accurate. If you use the power supply as a voltage reference for your ADC, you can't expect any kin …