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Results tagged with power
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user 12920
Power is the rate at which energy is supplied or consumed, often measured in Watts. This tag covers electrical power specifically, the voltage and current specifications for supplying power to the Pi, the specifics of power consumption by the Pi, and methods for controlling Pi power consumption.
4
votes
Use Raspberry Pi to control PC's power switch
I'd use a serially controlled relay card to switch the power to the PC. Then, in the PCs BIOS set it so that it will boot whenever power is switched on. … That way your power switch/reset circuit is completely independent of the PC, works with 3.3V and can even be used to control multiple computers. …
- 161
2
votes
Any ideas on how to increase the range of an IR transmitter?
Use multiple LEDs grouped together.
You probably need to connect them in parallel, with a current limiting resistor for each LED. Connecting them in series gives problems as each LED needs between 0 …
- 161
6
votes
1
answer
12k
views
USB stick gets very hot
I've hooked up a simple power measuring device and the Raspi consumes 370mA on its own and jumps to 470mA with the USB stick. … Power consumption rises from 90mA to 140mA during active periods.
I previously had the stick mounted as /var/www to store ownCloud files on it. …
- 161