Questions tagged [esp32]
A cheap and low-power microcontroller family using Tensilica Xtensa LX6 CPU cores with integrated WiFi and dual-mode bluetooth.
938 questions
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How to choose alternate I2C pins on ESP32?
I'm a begginer with Arduino and this may be a basic question but I'm facing an issue.
I'm using a HTU21D sensor with an ESP32. This sensor use I2C communication. Inside the Arduino library, there is ...
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Arduino Wifi Works one way but not the other? (ESP32) (Possible Variable Type Problem)
I am working on a code that accepts input from serial monitor and connects to Wifi, and have been getting issues.
my SSID for my wifi is "SamF" but for some reason arduino only likes it when I ...
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Increase sample rate in ESP32 board
For my final project on the university as a Systems Engineer, I'm working on a "electronic stethoscope", which is giving me a lot of headaches.
I bought a Adafruit Feather ESP32 Huzzah (https://learn....
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General confusion about how to start
I want to test around with my ESP32 and an E-Paper display - yet i am stuck at uploading sketches via Arduino IDE. I get those kind of errors:
avrdude: stk500_getsync() attempt 1 of 10: not in sync: ...
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Wiring parallel TFT with ESP32
I have this Parallel LCD TFT. I want to connect it with an ESP32 (NodeMCU). I am using the TFT_eSPI library.
In the TFT_eSPI documentation, it says that the connection should be as following:
// The ...
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Merge two Arduino projects (change build process)
I'm working on a big software project consisting of several Arduino sketches.
I have one Arduino project providing general functionality, such as TCP/IP communication, parsing queries, handling errors,...
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How to compile Arduino ESP8266/32 on CI/CD (CLI shell cmd) platform?
Like make for not ESP Arduino target, is there a CLI command like esptool.py to upload in the hardware ?
I've seen makeEspArduino but seems to be not trivial ?
What about espressif ESP32 component ?
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256 (8x32) LED Matrix via ESP32-Pico-Kit_V4 possible? (Daft Punk Helmet)
I am currently planning on a Daft Punk Helmet. But the available kits are terribly expensive.
I am looking forward to using a 8x32 LED-Matrix(with 256 separate 5mm LEDs) and having a few different ...
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Arduino Pro Mini (5v) I2C pullups
I recently bought an ESP-WROOM-32 module and I want it to talk to my Pro Mini via I2C. Do I have to pull-up the lines to the 3.3v side (ESP32)? Since the Pro Mini runs at 5v, I think it's a bad idea ...
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remove weird chars from char array ESP32
When I'm converting a string to a char array there are always some weird chars at the end.
I have to do it manualy because the convertTochar function crashes my ESP.
String sssid = module.getCssid()...
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Synching local clock usign NTP to milliseconds
I am interested in getting a local clock on an ESP32 module synch to
a network clock using NTP. I am able to read data and time here. But I am interested in synching to the milli second level.
#...
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Adafruit ESP32 device working on OSX 10.13 but not on OSX 10.11 on older machine
I'm new to Arduino - just got an ESP32-based Adafruit Feather HUZZAH32. I got it up and running on my Macbook Air (High Sierra) with no problem, following the instructions at this page linked from the ...
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Low-power detect rise and fall of input signal
For a very low-power-project (where I want to keep the micro-controller asleep or powerless as much as possible), I need to detect the rising and the falling of an input-signal (which could power-on ...
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Calling I2C functions inside an ISR
I have an Adafruit 2.8" cap touch display, which has an interrupt pin (IRQ). I tried to use this with my Arduino Nano, but encountered a problem:
When trying to get the touched point from the display ...
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Esp32 Https Problem
I am working on a project in which i have to send GET request to my Company's Https server. I have successfully sent the GET request using NodeMCU v 1.0 (ESP 12E). The NodeMCU 1.0 (ESP 12E) Arduino ...
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Duplicate libraries while compiling for ESP32 in the Arduino IDE
I have just added the ESP32 toolchain to the Arduino IDE (v1.8.0) on Windows 10. To get the IDE to allow me to select ESP32 chips I had to place the Espressif folder in "D:\Program Files(x86)\Arduino\...
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Video streaming by ESP32 [closed]
I'm making an Arduino car and controlling it with a game-pad by bluetooth. I want to have a live video from it by using ESP32 board and ov7670 camera or vc0706 camera. How can I do this ??
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How do I interpret the esp8266 "boot mode" message?
Everytime the chips resets, we get the reason and the next boot mode.
ets Jan 8 2013,rst cause:XXX, boot mode:(YYY,ZZZ)
For XXX we can check the meaning here.
For YYY and ZZZ I am not sure but I ...
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ESP32 in Arduino-IDE with FS.h and SPIFFS
I'm working on a webserver on ESP32 in Arduino IDE and would like to load an html-file. Tried to use SPIFFS.open from the library FS.h from github.
Errormessage says SPIFFS was not declared in this ...
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