Open-source boards designed in KiCad by devKOff on GitHub, from 2 repositories. A board’s address here is its repository’s there.
devKOff/pcb-lipo-power-management-system
An integrated PCB power management system for single-cell Li-Po batteries featuring onboard charging, circuit protection, and a DC-DC boost converter with selectable 5V and 12V DC outputs.
devKOff/arm-header-pinout-board
Custom LPC2148 ARM7 development board designed in KiCad with USB-C, 5V protection, 3.3V regulation, USB ESD protection, crystal oscillator, reset, ISP/UART programming, JTAG, GPIO, I2C, SPI, ADC, DAC, LEDs, test points…