| Photo | Description |
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Photovoltaic string power supply, to simulate string I-V curve to repair photovotlaic inverters. January 2022 |
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Analog signals buffer circuit (wind speed, wind direction, temperatures). Overvoltage protection. December 2021 |
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PCB to wire limit switches to a DC motor September 2021 |
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Wind speed relay August 2021 |
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Solar tracker relay board April 2021 |
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Generic relay board with common connection at outputs. April 2021 |