Author Archives: stephen

And I was worried about the solar production when the fog rolled in

800W from a 2.8kW array in that weather

Posted in Uncategorized | 1 Comment

Flooring and kitchen cabinets in

Posted in Building | 1 Comment

Gas and laminate flooring installed

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PV install done!

The PV installation is finally completed and the battery have had their first taste of those juicy solar electrons. The tech details: 12 x Yingli 235W modules for 2.82kW of installed PV wired in 4 strings of 3 panels. 100Vmp … Continue reading

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Barley

Hello my pretties

Posted in Land, Plants | 2 Comments

Version 0.1 Battery Monitor

Basic features working well: Measuring SG and temp and calculating the SoC. Displaying on LCD and working over SMS.

Posted in Off grid power, Solar power | Tagged , , | 3 Comments

SG data logger, first steps

The helpful chaps at JSA Photonics sent over a replacement sensor and it’s working rather nicely. Have only run real tests using a single SG value as my battery doesn’t cycle much yet. Got the dimensions of the cell cap … Continue reading

Posted in Off grid power, Solar power | 3 Comments

SMA Sunny Island installed

Sunny Island 5048 hooked up to the generator and the 800Ah Forklift battery from Sunlight.gr.

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SMS generator control with Arduino

Arduino GPRS shield Continue reading

Posted in Off grid power, water | 15 Comments

Exhaust silencer version 2.0

Going to make the expansion chamber smaller, so that it’s deeper underground, then funnel the gases through a maze made out of blocks filled with sand.  There’s a big hole filled with builders sand that forms the center of this … Continue reading

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