I am using ESP32 DEVKIT link and Adafruit VS1053 Codec + MicroSD Breakout - MP3/WAV/MIDI/OGG Play + Record - v4 link to record and then play the sound. I am using Arduino IDE for coding. I am faci...

Just had a go at running up the most recent version of ESP-IDF on my machine. All good. Current Version = 4.3.2 Latest Version = 5.0.1 I work in Visual Studio, but use the ESP cmd terminal directly...

I'm creating a App that involves Bluetooth and WiFi. I firstly connect the Phone to the Bluetooth and pass the WiFi ssid and password through it. Then after receiving the ssid and the password I at...

I am using Arduino IDE with ESP32. Hardware is simple: ESP32 dev board + led and reed switch. I want to detect reed switch inputs (1Hz to 40Hz frequency) and blink a LED for now. Code is simple: co...

I keep getting error as I upload my code to my AI thinker esp 32 cam. I connect it using microusb and it always has this error: A fatal error occurred: Failed to connect to ESP32: No serial data re...

I've been trying to flash esp-wroom-32 for a long time, but I can't seem to get it. idf.py throws this error: Serial port /dev/ttyUSB0 A fatal error occurred: Could not open /dev/ttyUSB0, the port ...

I am working on an esp project and compiled my code by using the esp32s2 toolchain and created a binary that ready to run on a real device. But I don't have a real device to test my binary. Is ther...

I have the following MicroPython code running on an ESP32: import network wlan_sta = network.WLAN(network.STA_IF) wlan_sta.active(True) wlan_mac = wlan_sta.config('mac') print("MAC Address:&...

I am trying to write a little asynchronous WebServer. Let me briefly describe the scenario: My ESP32 as well is a router. So if I connect with my mobile phone into the WiFi the ESP32 is spreading a...

I've set up my environment variables to use the esp32 toolchain. One of the core functions is idf.py which needs to be accessible from the terminal. If i try to access it in VS Code i get idf.py : ...

I've just recieved my very first esp32cam (AI THINKER) today and I was excited to test it, but I'm unable to upload any code to it. I'm always getting the following error: Failed to connect to ESP...

Setup Client 1 : a WebPage with SocketIO requesting the server Client 2 : an ESP32 with Links2004/arduinoWebSockets Server : Ubuntu / NGINX redirecting to a Node-RED Problem OK : WebPage connect ...

I tried to flash an ESP32 but I didn't succeed, I tried with esptool.py and Arduino IDE. I tried to press the boot button and reset but it didn't work. Here is the error: A fatal error occurred: Fa...

Introduction The MPU-6050 is a popular module that contains a temperature sensor, accelerometer, and gyroscope. A user may read the sensor information over I2C or SPI. Two documents are publicly a...

I have numerous ESP8266 apps converted to 32 bit. These seem to run fine on the WROVER chips but on the WROOM-32 chips they load and execute, but panic after some time. I get this error: Guru Medi...

I am a student who has gotten a part time job embedded system programming. I am given a program the company uses, and asked to understand it. This is a working program. Therefore, the project can b...

I tried all the google solutions, It seems like RST button doesn't actually reset. Just red led blinking all the time, and no serial output or anything I'm working on Windows 10, ESP32 Dev Module ,...

I am busy making a project at home with fastled. I have an esp32 running an async webserver and I want to make requests to it with a react webpage. When I click a button to run this code: function ...

I wrote a firmware to run our ESP32-based custom PCB. The firmware holds a unique S/N (serial number) in the NVS thru Preferences API which is set thru the bluetooth app I wrote. But now I have to ...

I am trying to develop an IoT device that should provide some functionality using a HTTP/REST API. I decided to use the ESP32 chip (on "ESP32 dev board"). Now I want to implement an easy-to-use WL...

I am working on the ESP32 BLE. I am using Arduino IDE for my programming. In my project I want to use BLE in continuous advertising mode. But actually what it happen means, the BLE advertise is sto...

I know that battery discharge on a 4.15V Li-Ion is not linear, so I would like to have some equation that I can apply in my code to show the correct battery percentage. I can't find any good reso...

I am using AI Thinker ESP32-CAM with stream url http://192.168.8.100:81/stream. I have tried this and other techniques but nothing worked for me import numpy as np cap = cv2.VideoCapture("rtsp://...

I'm testing code downloading large files (approx 1mb OTA binary file) from a server The error happens midway through the download: -> E (15787) task_wdt: Task watchdog got triggered. The follo...

I had an ESP32cam working for a few days then started getting that message at boot up. Reloaded the program and still no camera.disappointed Error: ets Jun 8 2016 00:22:57 rst:0x1 (POWERON_RESET...