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2 votes
1 answer
44 views

Smart plug to measure AC energy (power) consumption that does not require a hub

I want to measure AC power consumption over time on a single outlet. My multimeters will not do the job, as like nearly all multimeters, they display instantaneous values. To accomplish this task, I ...
Amazon Dies In Darkness's user avatar
1 vote
1 answer
966 views

Is there a UPS with open source power maganement software?

I wonder if there is a UPS power supply with an open source power monitoring application? To be more clear, I need to automatically store data such as remaining battery or power consumption and write ...
babibooooooo's user avatar
2 votes
0 answers
32 views

USB hub with power (and data) control

Many (and fast) USB hubs are available in the market, but most of them do not provide a selective control over their single ports. From the OS, I would like to be able to: activate and deactivate ...
BowPark's user avatar
  • 121
1 vote
2 answers
1k views

ATX Power Supply Unit with one/some Always-On Molex Connectors?

I know (current) ATX PSU will turn off its power after the PC shutdown. This is good. I know (old) AT PSU will leave its connectors with power on even after the PC shutdown. Ref: https://en.wikipedia....
midnite's user avatar
  • 111
3 votes
2 answers
210 views

Reading and activate/disable power of specific outlets

We want to offer Colocation in a DataCenter and therefore we need to messure the energy consumption of every single server via API. Also we need to be able to switch the power on/off state for every ...
Christian Gollhardt's user avatar
4 votes
1 answer
92 views

Smart Home: controlled power receptacles

I want to get power receptacles controlled via web and buttons. Specifications: I need an one-room system, wireless. Electric power system here is bad for signal transferring. WiFi (Z Wave, ZigBee,...
Les's user avatar
  • 143
3 votes
0 answers
44 views

Specify Output Voltage of a USB Dongle

I am looking for some device which offers an API to specify the voltage output of an USB port. So actually I want to give power to some hardware by the USB Port and I want to specify on the PC if I ...
Roke's user avatar
  • 31
3 votes
0 answers
457 views

5V, ~3A - 18650 li-ion battery bundle charger/balancer

I have a 15600MAh battery pack that came in one of my devices. Long story short, the controller circuit that charges the batteries was fried in a power outage, but the batteries are still good. I have ...
Ulincsys's user avatar
  • 461