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Built-in Wi-Fi & Bluetooth
7V 8000Mah Rechargeable Li-Ion Battery
It is used in conjunction with its own battery snap
Resting current: less than 30uA
Power Supply: 9V battery with cap for portable project execution
HC-05 Bluetooth Module ( Pack of 25) Line sensor Built-in Wi-Fi & BluetoothHC 05 Bluetooth Module A well liked module like the HC 05 Bluetooth can give your projects two way (full duplex) wireless connectivity. With the help of HC 05, you can connect with any Bluetooth enabled device, such as a phone or laptop, or with two microcontrollers like an Arduino, Node MCU ESP32 etc. and it requires bread boards, jumper wires to connect. Since the module uses USART to communicate, it is simple to connect to any microcontroller that
US$ 61.99
US$ 1465.19