Development of the ideal power supply for electronics hobbyists 

I developed my ideal power supply for electronic work.
It has a built-in battery, is compact and lightweight, has digital settings for voltage and current, and, by the way, the cables can be stored inside the case.
[Main parts]
Microcontroller: Atmega4809
DCDC: LT8350
DAC: MCP47CVB22
ADC: ADS1115IDGSR
[PCB manufacturer]
JLCPCB