Description
1, serial port built 3.3V to 5V conversion circuit, input and output compatible with 3.3V and 5V level.
2, built-in overcurrent protection, reverse protection.
3, with contact normally open, normally closed.
4.4 road 250V 10A high current relay (control LED voltage 0-250V can), driving capacity, with LED indicator.
5, support cascade function (a 4 way, bidirectional connected together becomes 8, and so on, up to 24 ways.)
6, integrated 3.3V regulated output for 3.3V systems.
7, optional Bluetooth wireless serial or RF wireless access to the serial module, for wireless PC or mobile control.
8, optional restaurant asr M08-A voice recognition module access, voice recognition control.