*Compatible with 5 V, 3.3 V
 *Apply to MB102 breadboard
 *Input voltage: 6.5-12 V (DC) or USB power
   supply
 *Output voltage: 3.3V/5V can switch over
 *Maximum output current: <700 ma
 *Fluctuation 2 road independent control, can
   switch over to 0 V, 3.3 V, 5 V
 *On-board two groups of 3.3V, 5V DC
   output plug pin