Special power module for bread board, compatible with 5V and 3.3V.
Apply to MB102 bread board, very useful for arduino breadboard projects.
DC 6.5-12V or USB power supply the input voltage.
Output voltage can be switched between 3.3V and 5V.
Two-way independent control, can be switched to 0V, 3.3V, 5V.
Onboard two 3.3V, 5V DC output pin, convenient for external using.