This is an STC8 toy oscilloscope, modified from Lao Liu’s original code, and with a power module added.
The power module uses TP4056+MC34063. Please see the attachment for information.
Original project link: https://www.bilibili.com/video/BV1ai4y1t79R
The current use is still very disturbing, and the reason is unknown, but it can light up and be played as a toy. . .
Physical map:
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