Are you still struggling with the complicated and messy tin flying lines for welding perforated boards? Worried about accidentally soldering the wrong tin? Now launching this perforated board with prefabricated minimum system circuit and LCD1602 display circuit, you can get rid of these worries and make development easier! (If there is a Taobao store for commercial use, please contact me).
Since there is no physical object and the review fails, I can only put the physical picture:
There are also actual pictures of the board that has just been welded.
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