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README.md

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DPSU

Desk power supply project is intended to develop a compact desk power supply with a dummy load. The power supply can be used to power small devices and perform simple battery capacity test.


Specs

Power supply

Output: 1.3V - 20V Output Current: 0A - 1A Voltage adjustment steps: 100mV Current adjustment steps: 10mA

Battery charger

Max charge current: 1A Battery types: 1S to 4S Li-ion

Dummy load

Max load: 0.5A Battery capacity test


Features

  • 0.96" Color TFT Screen
  • Frontal USB port type A for usb power output
  • 1S to 4S Li-ion battery balancer
  • Optional supply voltage from internal battery
  • Soft power control
  • USB serial port available on rear micro usb port type B
  • Digital control from tactile keys or serial

Schematics

Power board
Main board
Front board


Images

drawing


drawing


drawing


drawing


drawing