231 questions
0
votes
0
answers
20
views
Data garbled when using lora communication
Use stm32 to control lora to send data. If it is not determined whether the target replies or not, the received data is normal:
if(SX126x_Lora_init() != NORMAL) //无线模块初始化
{
while(1)
{
...
- 1
0
votes
1
answer
35
views
Multiple SPI ports usage on ESP32
I'm fighting with this code to make it work... The aim of it is to control a LoRa module from the hspi pins of the esp32 while the vspi pins will be used by an sd module (not provided in this code).
I ...
2
votes
0
answers
36
views
Is it possible to connect two erlang nodes to run a distributed erlang system over LoRa?
I'm wondering I can use devices with LoRa antennas to run a distributed erlang cluster. Some of these devices would have no direct internet connection. Are there limitations to the protocol that would ...
- 658
-1
votes
0
answers
43
views
LoRa Arduino data quality is degraded
The Arduino code I'm writing has an issue with the quality of the transmission.
I"m using the SoftwareSerial library to send and receive data between 2 LoRa chips.
The code and Arduino module run ...
- 73
1
vote
1
answer
83
views
How to Create a LoRa Gateway Using Jetson Orin (India-Specific Project)
I’m planning to create a LoRa gateway and I’d like to keep the setup as simple as possible. I’m currently using a Jetson Orin (but open to suggestions for other single-board computers). My goal is to ...
0
votes
0
answers
54
views
Problem in sending message to the lora device using protobuf
I'm building an app similar to Meshtastic using kotlin. So far, I’ve successfully implemented BLE scanning/discovery, pairing, and connecting via GATT—plus I can read device info like battery level ...
0
votes
0
answers
27
views
Sending data by LoRa connected to Arduino. How to receive and decode it using usrp by flowgraph in gnuradio
I'm sending data from LoRa connected to Arduino. I'm attaching my code here.
#include <SPI.h>
#include <LoRa.h>
void setup() {
Serial.begin(9600);
while (!Serial);
// Initialize LoRa ...
0
votes
1
answer
83
views
ESP32 TTGO LoRa endPacket() hanging/freezing when sending messages
I'm working with an ESP32 TTGO T-Display with LoRa module (SX1276) and experiencing issues where the LoRa.endPacket() function hangs indefinitely.
Hardware:
TTGO T-Display ESP32 with LoRa
Using ...
- 3
0
votes
2
answers
155
views
Sending and receiving data using ESP32S3 with Ebyte Lora E22 is not working
I have wrote 2 simple programs receiver and transmitter in ESP32S3 connected to Lora EByte220 in a board using esp-idf, I can't see any packets receiver from receiver side and not sure how to fix/...
- 414
0
votes
1
answer
55
views
I'm trying to use SPI and LoRa and when I initialize the SPI (with custom pins) I get a crash
I am using an ESP32-WROOM-32E with 2 MB PSRAM. If I comment out the begin of the vspi, the code will not crash. (Any help would really be appreciated!)
vspi = new SPIClass(VSPI);
vspi->setHwCs(...
3
votes
1
answer
135
views
Class C loraWan implementation
Good morning! I am trying to create code for message exchange via LoRaWAN using a Raspberry Pi Pico with an SX1262 hat link. Initially, the project only involved sending messages at regular intervals ...
- 31
1
vote
0
answers
142
views
Reading Data Using Modbus RTU Over RS-485
I am working on transmitting temperature data from an E32 module to an E95-DTU. I attempted to send the data in a Modbus RTU structure using the following format:
01 04 02 09 A1 7E D8
However, when I ...
- 11
0
votes
0
answers
74
views
Porting the RadioHead library for Heltec Cubecell AB01/02 (ASR650x + SX1262)
My question is regarding porting the RadioHead library.
This is the RadioHead Packet Radio library for embedded microprocessors. It provides a complete object-oriented library for sending and ...
- 191
0
votes
0
answers
40
views
Exception 28 : esp8266 cannot connect to arduino cloud
I am making a device that collects data like temperature, humidity, co levels and flame distance and transmits them through a LoRa Ra-02 AI Thinker to an esp8266 that next uploads them to the Arduino ...
0
votes
2
answers
532
views
Why is my Heltec LoRa V3 board stuck in initialization when sending messages?
I'm using a Heltec WiFi LoRa 32 V3 board to send messages via LoRa. However, my code hangs in the setup phase, specifically in the while (!LoRa.begin(868E6)) loop. The board never successfully ...
