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Public designs

4 boards
spiex01
@mlab-modules

SPI (bus) expander to control multiple devices from the one SPI master.

schematicpcbbomcapacitorICconnectordiode
GPL-3.000Jul 9, 2026
oled01
@mlab-modules

OLED module with SSD1306 controller, I2C interface level shifter, integrated buzzer, touchscreen, and LEDs.

schematicpcbbomcapacitorresistordiodeinductor
GPL-3.000Jul 9, 2026
ubo-pcb
@ubopod

This repo contains open source PCB designs used in conjunction with Ubo Pod other open source system components.

schematicpcbbomIC
GPL-3.05500Jul 8, 2026
stm32f103rb_usb_to_uart_spi_i2c
@stulinaz

Firmware and Kicad project for my USB to UART/I2C/SPI converter

schematicpcbbomresistorcapacitorICconnector
No license2000Jul 8, 2026