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Arduino Projects - Circuit Construction First make the circuit connection as shown in fig1.1. The 1st Pin(Vcc) of Bluetooth(HC05) is connect to +5v of Arduino Uno and 10th pin(GND) to Arduino Uno
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Bat 9V Pin Setup / Arduino UNO (Kuman UNO)
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A Guide to Powering your Arduino | Microcontroller Tutorials
![Arduino Mega Tutorial [Pinout]](https://diyi0t.com/wp-content/uploads/2019/08/Arduino-Mega-Pinout.png "Arduino Mega Tutorial [Pinout]")
Arduino Mega Tutorial [Pinout]
Powering the Arduino | Mastering Arduino
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Power Jack & Supply | Ladyada's Learn Arduino - Lesson #0 | Adafruit Learning System
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Max current - Installation & Troubleshooting - Arduino Forum
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