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Modules & Actuators
HC-05 Bluetooth
Classic Bluetooth serial module.
Definition
A UART-to-Bluetooth bridge that pairs with phones and PCs as a virtual COM port.
AI Application
Connects an embedded device to an AI app running on a smartphone for control and data display.
Parts & pins
1
VCC
3.6–6V power
2
GND
Ground reference
3
TXD
Module transmit → MCU RX
4
RXD
Module receive ← MCU TX (3.3V)
5
EN / KEY
Enter AT command mode
6
STATE
Indicates pairing status
Works with
Hardware you can wire this part to in a typical project.
