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graphic-current-meter-with-adjustable-voltage-source's Introduction

Graphic-current-meter-with-adjustable-voltage-source

I build this device that can apply voltages from 0.5 V to 30 V to supply different electronic devices while graphically displaying their power consumption.

Components:

  • RP2040
  • 3.5 inch display
  • Old 5V power supply unit
  • ZK-4KX voltage converter
  • Mini voltage converter (to supply 8 V for ZK-4KX)
  • INA219 current sensor
  • Housing from 3D printer
  • Switches, connectors, wires, etc.

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