Category Archives: tracker

Dual Axis Solar Tracker with Online Energy Monitor

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[Bruce Helsen] built this dual axis solar tracker as one of his final projects for school.

As can be experimentally verified in a very short timeframe, the sun moves across the sky. This is a particularly troublesome behavior for solar panels, which work best when the sun shines directly on them. Engineers soon realized that abstracting the sun away only works in physics class, and moved to the second best idea of tracking sun by moving the panel. Surprisingly, for larger installations the cost of adding tracking (and its maintenance) isn’t worth the gains, but for smaller, and especially urban, installations like …read more

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Urgent: F184255 SAFESTORE HLDGS PLC/ HPE STRAN Technologies – word doc macro malware leads to #Dridex

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Last revised or Updated on: 22nd March, 2016, 4:44 PMFollowing on from THIS malspam run this morning with almost identical subjects is an email with the subject of Urgent: F184255 SAFESTORE HLDGS PLC/ HPE pretending to come from random names and email addresses  with a malicious word .doc and an .RTF  attachment  is another one from the current bot runs which try to download various Trojans and password stealers especially banking Trojans like Dridex or Dyreza and ransomware like Locky, cryptolocker or Teslacrypt. They are using email addresses and subjects that will scare or entice a user to read the email and open the attachment. A very high proportion are being targeted at small and medium size businesses, with the hope of getting a better … Continue reading → Continue reading Urgent: F184255 SAFESTORE HLDGS PLC/ HPE STRAN Technologies – word doc macro malware leads to #Dridex→