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-3
votes
1
answer
32
views
Serial USB communication on ESP32-S3 as host
I have an ESP32-S3-N16R8 devkit board with two USB ports and I have a device that communicates via Serial USB. I want to read serial data from ESP32 board and process it. So the ESP32 board should act ...
-1
votes
0
answers
20
views
arduinoIDE Programm esp32 executable not found [closed]
I'm trying to program my esp32 c6 board with Arduino IDE but it's not working because when I try to debug the code I get the error code "unable to find executable" when I try to fake it on ...
1
vote
0
answers
83
views
PWM FSP code not working in ARDUINO UNO R4 WIFI
I decided to program a PWM using an ARDUINO UNO R4 WIFI. I tried to configure the RENESAS RA4M1 microcontroller with the FSP libraries through the Arduino IDE. What I want to do is generate a PWM and ...
1
vote
0
answers
79
views
ESP32 with WiFiManager does not reconnect properly after first connection
I’m working on an ESP32 project that uses WiFiManager (https://github.com/tzapu/WiFiManager).
The first connection works fine: when there are no saved credentials, the ESP32 starts an Access Point, I ...
1
vote
1
answer
100
views
How to prevent analog clock hands from leaving trails on TFT LCD with ESP32
I’m building an analog clock on an ESP32 Wrover Kit with a TFT LCD using the TFT_eSPI library. The clock displays the correct time using NTP, but I have a problem with the hands:
When the hands move, ...
0
votes
0
answers
130
views
ESP32S3 SPI can not address 2 devices
I am currently facing a problem that I run out of idea.
I have a waveshare ESP32-S3-Touch-LCD-2 (https://www.waveshare.com/wiki/ESP32-S3-Touch-LCD-2) that features a display, SD cardslot and camera.
...
0
votes
2
answers
95
views
How to decouple a web server & MQTT on an ESP32 [closed]
I've got an ESP32-POE running a web server as well as publishing MQTT to a broker.
I want to publish MQTT every 60s but sticking that delay into void loop(void){} means server.handleClient(); is also ...
0
votes
2
answers
107
views
ESP32 with MQTT stops working after over 100 days [closed]
I built a custom PCB with an ESP32-WROVER-IE-N8R8 to read a pressure difference in a filtration system. The data is then send via MQTT to a MQTT Broker (Mosquitto) on a Linux Server. This happens ...
0
votes
1
answer
84
views
What does a "Guru Meditation Error: Core 1 panic'ed (StoreProhibited)" on an ESP32 mean?
I'm using an ESP32-based μC board (Olimex ESP32-SBC-FabGL) together with the Arduino 1.8.19 IDE. Now I'd like to access the GPIO and I2C pins on the CH32V003 on-board port expander. Using FabGL ad the ...
1
vote
1
answer
75
views
Does the Arduino library load its internal interrupts in IRAM on the ESP32
When I've developed for the ESP32, I've always included the linker attribute IRAM_ATTR when I've declared functions called from interrupts. This is based on https://docs.espressif.com/projects/esp-idf/...
0
votes
0
answers
73
views
can not set frequency or resolution for output pin
I try to setup a 10bit pwm with analogWriteResolution(LED_R, 10);
but I get the following output:
[esp32-hal-ledc.c:793] analogWriteResolution(): analogWrite resolution cant be set due to selected ...
0
votes
1
answer
57
views
Signed SPIFFS FS on ESP32C3 with secure boot
I have an ESP32C3 application based on platformio with secure boot enabled, i.e., after booting I read out the following information from the partition table:
Partition Name: nvs Type: 0x01 - Subtype:...
0
votes
1
answer
58
views
ESP32 and Fingerprint Sensor – Serial Monitor Shows Nothing
I'm trying to connect a fingerprint sensor (Adafruit type) to my ESP32 (DOIT ESP32 Devkit V1), but the Serial Monitor remains completely blank, even though I'm using Serial.begin(9600) and printing ...
0
votes
0
answers
63
views
Allow response 404 and serving compressed files without triggering the captive portal
ESP32, Arduino Framework, using these libraries:
lib_deps=
ESP32Async/AsyncTCP
ESP32Async/ESPAsyncWebServer
https://github.com/guestisp/ESP32AsyncDNSServer.git
here the relevant code:
#...
0
votes
1
answer
116
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 ...