A stable power supply unit for breadboard projects offers the option of supplying it with power either via a DC socket or a USB-C connection. The board supplies the breadboard's power supply lines directly with 3.3 V, 5 V or 12 V. The output voltages can be set separately via on-board switches. It also has an LED to indicate operational readiness, an on/off switch and automatic voltage selection if both inputs are used. https://elecena.pl/product/25810915/333084-developer-boards-power-supply-for-plug-in-boards 2024-05-05 https://elecena.pl/product/25810915/333084-developer-boards-power-supply-for-plug-in-boards 2025-04-07