Module Description
The module is driven by 9012 triode
Working Voltage 3.3V-5V
Fixed bolt hole for easy installation
PCB size of small board: 2.8cm * 1.3cm
Module Interface Description (3-wire)
1 + External 3.3V-5V Voltage (can be directly connected with 5V and 3.3V MCU)
2 - External GND3 out External MCU IO Port
