• Pretty old ink printer - HP Deskjet 845c

    Let's take a look on pretty old (but still working!) ink printer. I have HP Deskjet 845c at home, not using color since a long time, but refilling black ink is very easy. And it's nice to have printer at home. But how much energy does it use ...

  • How much energy does Linksys WRT54GL use?

    Let's take a look on router Linksys WRT54GL. Powering on only power supply (old type, transformer one) uses 2.5W of power. No router connected yet.

    Then I connected two computers over Wi-Fi connection and plugged ethernet cable from my ISP's modem. Energy use increased to 6.9W ...

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