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Adjustable DC power supply based on LM317
2022-07-06 21:59:00 【Wang Dafan, who loves learning】
LM317 Adjustable DC power supply
I made one myself LM317 DC adjustable power supply , Project open source , Including schematic diagram ,PCB, materiel BOM, Circuit simulation
Design principle
TP31C Of 3 Triode is mainly used to protect circuit , then LM317 It's an adjustable LDO, The principle is simple , If you don't understand, you can read the text of the schematic
Two of them are added LED Indicator light ,PCB Hollowing out in the middle is to put a current meter .
Simulation demonstration
The simulation uses mul14, Used to adjust the output voltage , Design and debug the input voltage with 9V better
I sent the demo video B standing , At the same time, the access address of the project is also placed in B The comment area of the station , I hope you find it useful to use one button three times
B Connection of stations
https://www.bilibili.com/video/BV1Ur4y1M7JE?spm_id_from=333.999.0.0&vd_source=777b79c4e106b3c1f680c8095d06adfd
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