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ESP8266 HC-05 Bluetooth Module Circuit Diagram. Circuit diagram to connect Bluetooth module HC-05 with NodeMCU ESP8266 is very simple and shown below: An external Bluetooth module is needed with ...
Inbuilt Bluetooth & FM Support. A Multi-Purpose Functioning Switch. It has two inbuilt Red & Green LED indicators [see their functionality later]. The module has a lot more internal options for ...
Fig. 1: Circuit diagram of wireless LCD display via Bluetooth. HC-05 Bluetooth module has six pins out of which four (Vcc, GND, Rx and Tx) are used in this project. Power supply for the circuit can be ...
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