Circuit Documentation
Summary
This circuit involves an Arduino UNO microcontroller, an HC-05 Bluetooth module, multiple pushbuttons, and a 7.4V power source. The Arduino UNO is used to control the pushbuttons and communicate with the Bluetooth module. The pushbuttons are connected to the digital pins of the Arduino, and the Bluetooth module is connected to the serial pins of the Arduino. The 7.4V power source powers the entire circuit.
Component List
Arduino UNO
- Description: A microcontroller board based on the ATmega328P.
- Pins: UNUSED, IOREF, Reset, 3.3V, 5V, GND, Vin, A0, A1, A2, A3, A4, A5, SCL, SDA, AREF, D13, D12, D11, D10, D9, D8, D7, D6, D5, D4, D3, D2, D1, D0
HC-05 Bluetooth Module
- Description: A Bluetooth module for wireless communication.
- Pins: Key, VCC, TXD, RXD, State, GND
Pushbutton
- Description: A simple pushbutton switch.
- Pins: Pin 3 (out), Pin 4 (out), Pin 1 (in), Pin 2 (in)
7.4V Power Source
- Description: A 7.4V battery or power supply.
- Pins: +, -
Comment
- Description: Placeholder for comments in the circuit.
- Pins: None
Wiring Details
Arduino UNO
- 5V connected to VCC of HC-05 Bluetooth Module
- GND connected to GND of HC-05 Bluetooth Module
- GND connected to Pin 2 (in) of all Pushbuttons
- Vin connected to + of 7.4V Power Source
- D5 connected to Pin 4 (out) of one Pushbutton
- D4 connected to Pin 4 (out) of another Pushbutton
- D3 connected to Pin 4 (out) of another Pushbutton
- D2 connected to Pin 4 (out) of another Pushbutton
- D1 connected to RXD of HC-05 Bluetooth Module
- D0 connected to TXD of HC-05 Bluetooth Module
HC-05 Bluetooth Module
- VCC connected to 5V of Arduino UNO
- GND connected to GND of Arduino UNO
- RXD connected to D1 of Arduino UNO
- TXD connected to D0 of Arduino UNO
Pushbutton
- Pin 2 (in) connected to GND of Arduino UNO and - of 7.4V Power Source
- Pin 4 (out) of one Pushbutton connected to D5 of Arduino UNO
- Pin 4 (out) of another Pushbutton connected to D4 of Arduino UNO
- Pin 4 (out) of another Pushbutton connected to D3 of Arduino UNO
- Pin 4 (out) of another Pushbutton connected to D2 of Arduino UNO
7.4V Power Source
- + connected to Vin of Arduino UNO
- - connected to GND of Arduino UNO and Pin 2 (in) of all Pushbuttons
Documented Code
Arduino UNO Code (sketch.ino)
void setup() {
// put your setup code here, to run once:
}
void loop() {
// put your main code here, to run repeatedly:
}
Documentation (documentation.txt)
This documentation provides a comprehensive overview of the circuit, including a summary, detailed component list, wiring details, and the code used in the microcontroller.