HC-05 Bluetooth Module. HC05 is basically a Bluetooth module which supports Serial Port Protocol (SPP) and is popularly used in many wireless applications. HC05 can be used to switch between master ...

I’m using 1kΩ for R1 and 2.2KΩ for R2 but you can use any resistor value as long as the R2 is approximately double the value of R1 (R2 ≈ 2R1). Similarly, repeat the circuit for both master and slave, ...

Different port pins of Arduino are used to drive the 16×2 LCD as shown in the circuit. The message typed by the user on the Android based smartphone is received by the Bluetooth module and transmitted ...

Connect the Bluetooth module to the Arduino board: ... Power up the circuit: Disconnect the Arduino board from the computer. Connect a power source (e.g., a 9V battery or a USB power bank) to the ...

Arduino Uno is powered with a 12V DC adaptor/power source. The relay module and Bluetooth module can be, in turn, powered using a board power supply of Arduino Uno. Author’s prototype is shown in Fig.

Introduction: The aim of this task Is to design a circuit that detects Movement around the rating robot, this movement has to be less than half a meter long and last for 3 seconds at least, If this ...

Let’s start assembling them and make a circuit to build a remote-controlled robotic arm..Attach the Arduino Nano board on the breadboard. The Arduino will be powered through the positive and negative ...

It’s technically a Nokia smartwatch. The watch itself runs off an Arduino board, and manages to fit a Bluetooth module and 3.7v battery into the 3D-printed watch case.