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Results tagged with power-consumption
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user 93902
Power consumption is the actual energy demand made on an existing power supply (e.g. battery). Consumption of electric energy is measured in joule (J), but for practicality often watt-hours (Wh) are used.
2
votes
how do i select a battery for a circuit which has multiple ICs?
Here is my suggestion if this is intended for a hobby application. Use a single Li cell, that makes it easier to charge, using something like this one. Use a DC-DC step up like this one to power the l …
- 353
1
vote
how does ohms law apply in power system
You seem to be confused about parallel and series connections. All appliances(bulbs, heaters, fans etc) in a power system like your house are connected in parallel and never in series.
When you conn …
- 353
1
vote
Power analysis of a simple circuit and battery lifetimes
Since you are designing a battery powered application, the key is to save power by making the Arduino and the LEDs 'sleep' most of the time. In that case, calculating power usage is not as simple as t …
- 353
0
votes
Calculating discharge time of 12V LED light powered by AA batteries
The LEDs you mentioned don't need Constant Current as they are designed to work on 12v and contain the necessary resistors. You can use a simple Step-up regulator like Doktor mentioned in a comment ea …
- 353