This is a very simple board that takes a 6-12V input voltage and outputs a selectable 5V or 3.3V regulated voltage. All headers are 0.1" pitch for simple insertion into a breadboard. It can be either powered from 6-12 DC2.1 power jack or from USB power. The maximum current it can provide is 500mA. Specification * Input voltage: 6-12V (Power Jack) 5V (USB) * Output voltage:3.3V/5V * Output current:500mA * On/Off switch * Power status LED * Pin Head 5/3.3V output * Central positive DC2.1 power jack Documents * Schematics Shipping List * Breadboard Power Unit (Assembled) x1 https://elecena.pl/product/22714047/breadboard-power-supply-5v-3-3v 2023-03-06 https://elecena.pl/product/22714047/breadboard-power-supply-5v-3-3v 2023-12-27 https://elecena.pl/product/22714047/breadboard-power-supply-5v-3-3v 2024-09-19 https://elecena.pl/product/22714047/breadboard-power-supply-5v-3-3v 2024-11-29 https://elecena.pl/product/22714047/breadboard-power-supply-5v-3-3v 2024-11-30 https://elecena.pl/product/22714047/breadboard-power-supply-5v-3-3v 2025-02-14 https://elecena.pl/product/22714047/breadboard-power-supply-5v-3-3v 2025-04-11 https://elecena.pl/product/22714047/breadboard-power-supply-5v-3-3v 2025-11-28 https://elecena.pl/product/22714047/breadboard-power-supply-5v-3-3v 2025-11-29