Circuit Documentation
Summary
This document provides a detailed overview of a circuit that integrates various sensors and modules with an ESP32 microcontroller. The circuit includes a MAX30100 pulse oximeter, an MLX90614 infrared thermometer, an HC-05 Bluetooth module, a Neo 6M GPS module, and an ESP32-WROOM-32UE microcontroller. The components are interconnected to facilitate data acquisition, communication, and processing.
Component List
MAX30100 Pulse Oximeter
- Description: A sensor used to measure pulse rate and blood oxygen levels.
- Pins: Vin, GND, SCL, SDA, INT
MLX90614 Infrared Thermometer
- Description: A sensor used to measure temperature without physical contact.
- Pins: SDA, SCL, GND, VIN
HC-05 Bluetooth Module
- Description: A module used for wireless communication over Bluetooth.
- Pins: Key, VCC, GND, TXD, RXD, State
Neo 6M GPS Module
- Description: A module used for GPS positioning.
- Pins: GND, TX, RX, VCC
ESP32-WROOM-32UE Microcontroller
- Description: A powerful microcontroller with built-in Wi-Fi and Bluetooth capabilities.
- Pins: 3v3, EN, VP, VN, 34, 35, 32, 33, 25, 26, 27, 14, 12, GND, 13, D2, D3, 5V, 23, 22, TX, RX, 21, 19, 18, 5, 17, 16, 4, 0, 2, 15, D1, D0, CKL
Wiring Details
MAX30100 Pulse Oximeter
- Vin: Connected to 3v3 (ESP32-WROOM-32UE)
- GND: Connected to GND (ESP32-WROOM-32UE)
- SCL: Connected to pin 22 (ESP32-WROOM-32UE)
- SDA: Connected to pin 21 (ESP32-WROOM-32UE)
- INT: Not connected
MLX90614 Infrared Thermometer
- VIN: Connected to 3v3 (ESP32-WROOM-32UE)
- GND: Connected to GND (ESP32-WROOM-32UE)
- SDA: Connected to pin 19 (ESP32-WROOM-32UE)
- SCL: Connected to pin 18 (ESP32-WROOM-32UE)
HC-05 Bluetooth Module
- VCC: Connected to 3v3 (ESP32-WROOM-32UE)
- GND: Connected to GND (ESP32-WROOM-32UE)
- TXD: Connected to pin 15 (ESP32-WROOM-32UE)
- RXD: Connected to pin 2 (ESP32-WROOM-32UE)
- Key: Not connected
- State: Not connected
Neo 6M GPS Module
- VCC: Connected to 3v3 (ESP32-WROOM-32UE)
- GND: Connected to GND (ESP32-WROOM-32UE)
- TX: Connected to pin 26 (ESP32-WROOM-32UE)
- RX: Connected to pin 25 (ESP32-WROOM-32UE)
ESP32-WROOM-32UE Microcontroller
- 3v3: Connected to VIN (MAX30100), VIN (MLX90614), VCC (HC-05), VCC (Neo 6M GPS)
- GND: Connected to GND (MAX30100), GND (MLX90614), GND (HC-05), GND (Neo 6M GPS)
- Pin 22: Connected to SCL (MAX30100)
- Pin 21: Connected to SDA (MAX30100)
- Pin 19: Connected to SDA (MLX90614)
- Pin 18: Connected to SCL (MLX90614)
- Pin 15: Connected to TXD (HC-05)
- Pin 2: Connected to RXD (HC-05)
- Pin 26: Connected to TX (Neo 6M GPS)
- Pin 25: Connected to RX (Neo 6M GPS)
Code
No code is provided for this circuit.
This document provides a comprehensive overview of the circuit, including a summary, component list, wiring details, and code documentation. The components are described in detail, and their connections are clearly outlined to facilitate understanding and replication of the circuit.