Search found 3 matches

by CyBaart
Mon Apr 22, 2024 6:13 am
Forum: General Discussion
Topic: How is dram for variables allocated?
Replies: 0
Views: 675

How is dram for variables allocated?

I am using a WT32-SC01 with an ESP32-WROVERB and developing a GUI using Squareline Studio v1.4.0 and Arduino IDE v2.3.2 When I build the app, I now get the following error 'region `dram0_0_seg' overflowed by 16 bytes' When I remove one global variable which uses 96 bytes, it builds OK and reports 'G...
by CyBaart
Mon Mar 13, 2023 8:40 pm
Forum: ESP32 Arduino
Topic: ESP32 C3 Development Board wont print to serial monitor
Replies: 10
Views: 21296

ESP32 C3 Development Board wont print to serial monitor

Hello, I've just received a few of these boards to try out and my first attempts have failed. I have googled but not found any solution. Basically, when the board is connected to my PC (Windows 10) via the USB cable, and I have successfully uploaded a sketch to it using the correct COM port, I would...
by CyBaart
Mon Apr 26, 2021 8:55 am
Forum: Hardware
Topic: Problems interfacing ESP32 to A9 Pudding GPRS module
Replies: 0
Views: 2478

Problems interfacing ESP32 to A9 Pudding GPRS module

For our project, we have a number of ESP32 nodes with a GPS chip and an RFM95 LoRa modules. I used the same ESP32 connections as the TTGO LoRa board for the GPS and RFM95 and they work well. Next we want a cellular gateway to receive the data from the nodes and forward it via GPRS to ThingSpeak and ...