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Results tagged with power
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user 3407
Electric power is the rate at which electrical energy is transferred by an electric circuit. The SI unit of power is the watt (one joule per second). Use this tag where power is a primary concern for the design under discussion. Use the "low-power" tag when that applies.
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Powering LEDs with a computer's power supply
Each board at max brightness consumes 500mA. 10 * 500mA = 5 Amps max
My questions are;
Do I need to add any power conditioning to the output of the computers power supply? … Can I power the Arduino from the same 5v rail of the computers power supply? …
- 832
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vote
3
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Can I use a 12v 20A DC switch for a 24v 10A DC load? [duplicate]
simulate this circuit – Schematic created using CircuitLab
I have a toggle switch that is rated for 12v 20A (240 Watts) and I have a load from a battery that I want to turn on or off with this …
- 832
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Powering a device from the RS485 lines
I have found multiple RS232 to RS485 converter dongles (from different brands, models, and makes) that do not need external power to operate. … I assume (guess) the power comes from the RS485 side of things as the LED goes dark when I only have the RS232 side connected.
Where is the power coming from to power this converter? …
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