Siglent SDS1204X-E oscilloscope review, disassembly, and ventilation system modification.
VK group https://vk.com/tdm_lab
Interesting websites: Soldering iron https://cxem.net/
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P4100 oscilloscope probe http://ali.pub/4ovyyl
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For direct support of the channel, transfer from bank cards:
https://yoomoney.ru/to/4100116712276152