newrudeman

18650 portable adjustable power supply

 
Overview
  • Powered by a single 18650 battery.
  • TP4056 charge and discharge management.
  • The output voltage is adjustable up to 12V.
  • The maximum output current is 2.5A.
  • The INA219 chip can monitor the output voltage and current.
  • The 0.91-inch OLED screen displays output voltage and current information.
  • Most of the components are basic libraries for patches.
  • Size ~2.3*9.5cm.
  • It can be used urgently when there is no adjustable power supply and the requirements are not high.
  • Physical picture

photo.jpg

参考设计图片
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Update:2025-05-08 21:21:13

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