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Sivuca vor 32 Minuten
Good job, My 600W solar inverter lives by burning power MOSFETs after a first firing with lightning. With your scheme, now I'll try to check the sync. Thank you!  
Solar grid tie inverter re-engineered
Reinhold Hesemann
Reinhold Hesemann vor 2 Stunden
at costs $ 50 including shipping to germany for 5x distribution board PCB and 5x remote supply PCB ;-) I have often ordered pcb's, super quality and fast production / shipping!
HV Power supply with tube and semiconductor curve tracer
phase2682 vor 3 Stunden
Is that $200 per the 5 boards needed for the build or $200 for the minimum of 3 sets of 5 boards?  
HV Power supply with tube and semiconductor curve tracer
Thomas Bunge
Thomas Bunge vor 8 Stunden
Hi all, I would be able to have the PCBs produced, preferably as a batch order. Still not cheap, ~$200US for the 5 boards (4x Remote-supply, 1x Distribution board). The two companies I was looking at: one in China ( and one in the US ( The US is my preference, since they offer free shipping and also accepted all Gerber files from scratch and it looked great! But they do not accept minimum orders, need a set of three. The China company accepts one-of. Btw. did one of you guys made a layout for the semiconductor adapter board. It has been a while since I last worked in Eagle :). Please share at least the .brd file. I see this project as an opportunity for a universal power supply unit with unbeatable tracking features... Many thanks again to Rainer for his idea and work!
HV Power supply with tube and semiconductor curve tracer
David Ibarra
David Ibarra vor 15 Stunden
Finally I made it, I had to unistall all sds011 libraries by deleting on my documents  and move sds011 folder to that folder. Thank you
ESP32 Weather Station (180468)