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Feb 16, 2021 at 11:17 answer added pjc50 timeline score: 1
Feb 16, 2021 at 11:04 comment added Kris It is an ESP32 pico D4 (unshielded) with a small trance antenna, RF transmitter and RF receiver at 3.3V , 433MHz on a small trace antenna. Does low voltage mean practically no certification required? I have read that I can put the CE by myself but if asked by authorities I need to prove it. Are there fines if they find something?And I really do not get it since I see shops ALL ARROUND EU selling electronics imported from China without the "European" CE..how is it possible then to be illegal to sell those stuff in Europe but still everyone does? Or since they are manufactured outside EU its ok?
Feb 16, 2021 at 10:55 comment added Andy aka It depends; if your PCB is used to generate 100 kV then it's totally unsafe without proper certifications that demonstrate it is safe. If it only produces 10 volts then it may not meet EMC regulations if it is producing 100 MHz at 10 watts into an antenna.
Feb 16, 2021 at 10:51 history asked Kris CC BY-SA 4.0