I’m a student and a beginner on LoRa and I’m using a Heltec ESP32 LoRa (V2.1) from my university. It’s an used MCU and I observed that there’s a missing component below it (I wonder if some former students broke it). Is there any reason for removing this component ? (3 out of 4 ESP32 LoRa from my university don’t have this same component!!!). And what is it, a cristal ?
I’m trying to run some codes with Arduino IDE and receiving Flash Error:
Warning: Could not auto-detect Flash size (FlashID=0xffffff, SizeID=0xff), defaulting to 4MB
A fatal error occurred: Timed out waiting for packet content
I’m almost sure these errors are being caused because of the malfunctioning of the hardware.
Can someone confirm my thoughts ?
This is a picture of my hardware:
This is a picture of the original hardware:
(Since I’m a new user I can’t upload more than 1 pic, so here is the link showing a “normal” ESP32 LoRa V2.1)