We are now open for walk-in purchase but you can still place an online order in advance to save time.
Shipping of online order is unaffected. Delivery may be delayed due to carrier backlog. Sorry for the inconvenience.

The HC-05 bluetooth module is a easy to use transceiver. The modems is design to work as a serial (RX/TX) data pipe, and are a grest replacement for serial cables. Any serial stream from 2400 to 115200bps can be passed seamlessly from your computer to your target. The HC-05 can be programmed as a master or a slave device.

To enter AT mode, press the built-in push button when powering on the module. Once the LED is flashing at 2 second interval, AT command can be passed through the RX pin at 38400bps.

Remember to use 3.3V for serial TTL.


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