LM317 box
Description
I Bought Diy Kit On Aliexpress ( Https://Www.Aliexpress.Com/Item/Lm317-Adjustable-Voltage-Regulator-Power-Board-Kit-Production-Electronic-Diy-Large-Secondary-School-Graduation-Design-Parts/32844139260.Html?Spm=A2G0S.9042311.0.0.74Qpco ) And Make Box For It. I Use Hotglue To Fix Everything.
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