Hi everyone. I created some code on an ESP32 to acquire info from multiple sensors, and save it to an SD, and I also wanted to send it via LoRa radio. the original code I created worked very well both for saving data on the SD card and for printing them on the serial port quite quickly. the problem …

as @srnet recommended If you want to use an SD card on an ESP32 then put it on its own seperate SPI bus this ESP32 code uses two SPI devices a SD reader (on HSPI) and a MFRC522 RFID card reader (on VSPI) // SD card test modified to use HSPI // see https://forum.arduino.cc/t/esp32-initialize-hspi…

I think the problem has to do with a conflict between the Lora and the SD. I tried removing the SD loop and it seems to go fast on the serial and at the same time sends the data to the Lora receiver. how can I solve it then? because I would like to save all the fast data on the SD while occasionally…

[image] andreaarcarisi: a conflict between the Lora and the SD A number of SD modules on the market are known not to share the SPI bus properly. Post the details of your setup and forum members can advise. And of course, the delay(3000) simply wastes 3 seconds: // Attendi per un secondo…

I use an SD module with a jumper between 3.3V and 5V (it works fine on its own but maybe you're right). I use this: [image] https://www.amazon.com/HiLetgo-Adater-Interface-Conversion-Arduino/dp/B07BJ2P6X6

for lora radio this: [image] [image] Adafruit RFM69HCW and RFM9X LoRa Packet Radio Breakouts Sending data over long distances is like magic, and now you can be a magician with this range of powerful and easy-to-use radio modules. Sure, sometimes you want to talk to a computer (a good …

I just finished testing both the hardware and software solutions but in both cases it doesn't solve the problem, I think it's the lora or the library I'm using...

[image] andreaarcarisi: it's the lora or the library If the radio works alone, without the SD module, there is nothing obviously wrong with it or the library, and there is nothing to fix with the setup. Some sort of interaction between the radio and the SD module is a possibility, but to det…

but if instead I have another ESP with an SD connected, is there a way to send the printed data to the serial print of the primary ESP? It seems to me that rx0 and tx0 are connected to the d-d+ of the USB port, right? or I create a connector that transmits d+ d- crossed between the two esp32. so tha…

[image] andreaarcarisi: I have another ESP with an SD connected, is there a way to send the printed data to the serial print of the primary ESP? yes - the ESP32 has three hardware serial ports Serial, Serial1 and Serial2 have a look at post serial-communication-between-arduino-and-2-esp32

[image] andreaarcarisi: I think it's the lora or the library I'm using... Very, very unlikely. The LoRa library you are using has been around for a while with a great many Arduino users. It would seem unlikely that you have discovered a bug. On an ESP32 I have seen issues with mixing SPI Lo…

LoRa Problem Slow code or Error Code

Projects Programming

anon94801460 April 23, 2024, 3:33pm 6

That looks like the type of module with the problem. See this post for a possible fix.

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LoRa Problem Slow code or Error Code

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