Oh,
The big green things that look like electrolytic capacitors (but are not)? They might be reference cells or cabatteries.
The way the wires come out, they could be inductors. Don't look like any wire wound resistors I have seen.
Took some time to read your blog - very impressive. Keep up the work!
Steve
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consulting on geothermal heating/cooling & rational energy use since 1990
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