📟 HS402 Android STM32 USB Type-C DIY Oscilloscope 

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⌚ Timestamps:
00:00 - Intro
00:12 - Circuit and components
01:51 - STM32 "BlackPill" module
02:28 - Board
02:53 - Soldering
03:26 - Power checking
03:34 - Ways of flashing board
04:04 - Flashing with USB-COM converter
06:12 - Flashing with USB in DFU mode
06:53 - Flashing with STLINK
07:21 - First configurations and calibrations
08:42 - Test with PWM-signal
09:32 - Test with LC-circuit
10:12 - Test with generator
10:35 - Conclusions
10:48 - WiFi with ESP32
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