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
Arduino Uno Pinout | Arduino FAQs
Arduino - Arduino Uno (R3) - ShareTechnote
Can you use Arduino Digital I/O pins as GND and +5v? - Project Guidance - Arduino Forum
Arduino Uno USB ground connected to ground pins - Installation & Troubleshooting - Arduino Forum
Android Basics and User Interfaces
How to ground an Arduino circuit, when it doesn't say to use the Arduino ground pin - Quora
Arduino Uno Pinout Guide
An In-Depth Look at the Arduino Uno PCB - Circuit Basics
The Basics of Arduino: Reading Switch States
Introduction to Arduino UNO REV3 - The Engineering Projects
Arduino - Arduino Uno (R3) - ShareTechnote
Arduino - Arduino Uno (R3) - ShareTechnote
GND on ARDUINO UNO differences? - General Electronics - Arduino Forum
The Basics of Arduino: Reading Switch States
Arduino Uno Pins - A Complete Practical Guide - The Robotics Back-End
Arduino Uno - Wikipedia
Does a circuit going into an Arduino pin/GND need a resistor? - Electrical Engineering Stack Exchange
![The Full Arduino Uno Pinout Guide [including diagram]](https://images.prismic.io/circuito/8e3a980f0f964cc539b4cbbba2654bb660db6f52_arduino-uno-pinout-diagram.png?auto=compress,format "The Full Arduino Uno Pinout Guide [including diagram]")
The Full Arduino Uno Pinout Guide [including diagram]
What is an Arduino? - SparkFun Learn
7 MPU 9150 – Arduino Uno Connection (GND-GND,VCC-3.3V,SDA-A4,SCL-A5) | Download Scientific Diagram
How to wire a common ground for Arduino Uno? - General Electronics - Arduino Forum
Introduction | SpringerLink
About GND Pins - General Electronics - Arduino Forum
led - Arduino board : difference between two gnd port - Stack Overflow
