Circuit Documentation
Summary
This document provides a detailed overview of a circuit that integrates an ESP32 Expansion Board with a LoRa Ra-02 SX1278 module. The ESP32 serves as the main microcontroller unit, providing processing power and connectivity options, while the LoRa module enables long-range communication capabilities. The circuit is designed for wireless data transmission over the LoRa network.
Component List
ESP32 - Expansion Board
- Description: A microcontroller board based on the ESP32 chip, featuring Wi-Fi and Bluetooth connectivity, a wide range of GPIO pins, and various power options.
- Pins:
+,-,EN,VP,VN,D34,D32,D33,D25,D26,D27,D14,D12,D13,D23,D22,TX0,RX0,D21,D19,D18,D5,D17,D16,D4,D2,D15,VCC,G,5V,3.3V,V.
LoRa Ra-02 SX1278
- Description: A wireless communication module that uses the LoRa technology for long-range, low-power communication.
- Pins:
GND,NSS,MOSI,MISO,SCK,DIO5,DIO4,3.3V,RST,DIO0,DIO1,DIO2,DIO3.
Comments
- Description: Placeholder components for additional notes or documentation within the circuit design. These components do not have physical representations or pins.
Wiring Details
ESP32 - Expansion Board
- D26 connected to LoRa Ra-02 SX1278
DIO0 - D14 connected to LoRa Ra-02 SX1278
RST - D23 connected to LoRa Ra-02 SX1278
MOSI - D19 connected to LoRa Ra-02 SX1278
MISO - D18 connected to LoRa Ra-02 SX1278
SCK - D15 connected to LoRa Ra-02 SX1278
NSS - 3.3V connected to LoRa Ra-02 SX1278
3.3V - G connected to LoRa Ra-02 SX1278
GND
LoRa Ra-02 SX1278
- DIO0 connected to ESP32 - Expansion Board
D26 - RST connected to ESP32 - Expansion Board
D14 - MOSI connected to ESP32 - Expansion Board
D23 - MISO connected to ESP32 - Expansion Board
D19 - SCK connected to ESP32 - Expansion Board
D18 - NSS connected to ESP32 - Expansion Board
D15 - 3.3V connected to ESP32 - Expansion Board
3.3V - GND connected to ESP32 - Expansion Board
G
Documented Code
No code has been provided for the microcontrollers in the circuit. When code becomes available, it should be documented in this section with appropriate comments and explanations for each function and routine.