5V/7-28V Power Supply 8 Channel Bluetooth Relay Module Internet of Things Smart Home Phone APP Remote Control Switch
Operating instructions (1)
1. Connect the power supply: the 7-28v of the module is connected with the 7-28v power supply from the ground, or the 5V power supply is connected with the 5V power supply from the ground. The supply current must be greater than 1A to open all
2 relays. Use the APP to control the 8-way relay (only the 2-way relay will be demonstrated below)
Operation instructions â‘¡
Structures
Bluetooth name and password modification method (take 5V as an example):
Wiring method: 5V, Rx, TX and GND on the Bluetooth relay module are connected to 5V, TX, Rx, GND (if the command of serial port does not respond, try to exchange TX and Rx), respectively. Modify Bluetooth-related parameters by sending instructions.
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