2 layers50.5 × 30.6 mm

MCU Data Logger
BBIkal/ATmega328P-MCU-Data-Logger
An ATmega328P-based data logger PCB designed in KiCad 9, featuring both 2-layer and 4-layer layout versions from the same schematic for direct comparison.
30 parts
Open-source boards designed in KiCad by BBIkal on GitHub, from 3 repositories. A board’s address here is its repository’s there.

BBIkal/ATmega328P-MCU-Data-Logger
An ATmega328P-based data logger PCB designed in KiCad 9, featuring both 2-layer and 4-layer layout versions from the same schematic for direct comparison.

BBIkal/Custom_LattePandaMu_Carrier_Board_Project
4-layer high-speed carrier board for the LattePanda Mu Intel N100 compute module, designed in KiCad.

BBIkal/ESP32_IOT_Project
A compact 4-layer mixed-signal PCB designed in KiCad 9, built around the ESP32-C3 module for IoT sensor applications.