DC 5V-12V 2-phase 4-wire 4-phase 5-wire Mini Stepper Motor Driver Board Multifunction Motor Speed Controller Regulator Switch Module Multifunction Module auspowers_batchthree vacuum and fluid systems test

vacuum and fluid systems test apparatus

12W USB Wall Charger with Foldable Plug

DC Voltage

No reason for return or change

DC 5V-12V 2-phase 4-wire 4-phase 5-wire Mini Stepper Motor Driver Board Multifunction Motor Speed Controller Regulator Switch Module Multifunction Module auspowers_batchthree vacuum and fluid systems testDC 5V 12V 2 phase 4 wire 4 phase 5 wire Mini Stepper Motor Driver Board Multifunction Motor Speed Controller Regulator Switch Module Specification: Voltage Range: DC 5V 12V Rated Current: less than 800mA Board Size: 2. 361. 730. 62inch Power Reverse Connection Protection: yes Over current Protection: yes Overheat Protection: yes Key Function: Please refer to the 4th 8th picture Working Mode: 1. Normal Mode 1: S1 start stop button, S2 forward and