Questions tagged [error]
The error tag has no summary.
79 questions
-1
votes
1
answer
67
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constintgreenLEDPin' does not name a type [closed]
I'm totally new to any programming and get the error constintgreenLEDPin' does not name a type
I did go through it but couldn't find any solution.
constintgreenLEDPin=9;
constintredLEDPin=10;
...
0
votes
0
answers
69
views
Gross timing error between crystals
Got two boards, getting a stable counter error ratio between the two of ~0.9895 (counted ticks divided by calculated ticks). Is this not a bit too low ? With +/- 50 ppm between the two crystals I was ...
- 136
0
votes
1
answer
486
views
Problem converting a sketch from SPIFFS to LittleFS - no matching function for call error
I'm playing with a tutorial from this DroneBot Workshop YouTube (excellent video presentation by the way on WiFi manager for newbies). I am working with a NodeMCU ESP8266.
The example code was written ...
- 1
0
votes
1
answer
396
views
The Arduino copy of example code for tone() function produces a compile error: 'tone' is not declared in this scope. How can I fix this?
It's 32-bit ARM core processor is SAM3X8E ARM Cortex-M3 CPU.
Error:
sketch_nov16b\sketch_nov16b.ino: In function 'void setup()': sketch_nov16b:49:43: error: 'tone' was not declared in this scope tone(...
- 11
1
vote
0
answers
77
views
Arduino MEGA crashes with Ethernet shield to connect to two TCP servers
I have Arduino MEGA with Ethernet Shield and a SD card connected to a RUT950 GSM router. Then, I also have two sensors connected to the router and they run a TCP server that sends measurements ...
- 171
3
votes
1
answer
18k
views
A fatal error occurred: Failed to connect to ESP32: Wrong boot mode detected (0x13)! The chip needs to be in download mode. [upload] Error 2
I have seen so many people complain about this same error and they were given a multitude of answers to help with this error, but nothing so far has worked for me.
Everything was working fine until I ...
- 31
-1
votes
1
answer
225
views
RGB LED randomized colors and LDR fading at the same time
Im trying too make an RGB LED that keeps changing color's randomly, and makes the brightness fade at the same time with an LDR, yet I keep getting an error that says too many arguments to functions.
...
1
vote
0
answers
284
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Getting “Open the GPS power failure” on module SIM808
I tried to get the gps coordinates with this program:
#include <DFRobot_sim808.h>
#include <SoftwareSerial.h>
#define PIN_TX 8
#define PIN_RX 7
SoftwareSerial mySerial(PIN_RX,PIN_TX)...
1
vote
3
answers
13k
views
text section exceeds available space in board
When I compile this code it gives the error mentioned above.
I saw online a way to resolve this: Serial.println(F("..."));
For fixed string literal I changed it but still didn't work.
I'm ...
5
votes
2
answers
135
views
Not enough memory error using OneSheeld.h
I'm a dairy farmer and I'm new to playing around with Arduino's. I created a code to send me SMS's when my equipment stops working as it should, but I run into a "Not enough memory" error. ...
- 51
1
vote
0
answers
456
views
Unable To Upload Source Code on Arduino UNO(Windows 11)
I was trying to upload the source code of a project to the Arduino UNO and this is the error that I keep on receiving.
After I closed and reopened it again, the Port option is gray. I tried everything ...
- 11
1
vote
0
answers
2k
views
When i upload the code to nodeMCU this error comes I have checked libraries ,ports made enviroment for nodemcu but error always come to screen
Arduino: 1.8.7 (Windows 10), Board: "NodeMCU 1.0 (ESP-12E Module), 80 MHz, Flash, Disabled (new aborts on oom), Disabled, All SSL ciphers (most compatible), 32KB cache + 32KB IRAM (balanced), Use ...
- 11
0
votes
1
answer
1k
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LoRa recieves only 2-4 packets, then stops working
I'm working on LoRa project using [Ai-Thinker RA-01 SX1278 433MHz LoRa][1] with [sandeepmistry/arduino-LoRa][2] library. I modified LoRaReciever example so it looks like this
#include <SPI.h>
#...
- 315
1
vote
4
answers
6k
views
What does avrdude: Device signature = 0x000000 mean? Faulty wiring? Software issue? Incorrect tutorial?
I followed this tutorial a couple of times and when I clicked on bootloader I get this error:
avrdude: Device signature = 0x000000
To see the configuration file click here.
Why do I get this error (...
- 139
1
vote
0
answers
69
views
How to set maximal execution time of operation
I'm JSON deserializing output from ESP8266 in my Arduino UNO, but when it fails (for some reason every time after it deserializes successfully) the program lags for few seconds and I don't want that ...
- 315
1
vote
1
answer
157
views
Node MCU not functioning correctly
i have a node mcu and i uploaded one example code to test it for rf signal decoding it worked. so after that i have written a code based on that and when i uploaded the code my node MCU suddenly isn't ...
1
vote
0
answers
931
views
Using MPU6050 with ESP32 Cam- MPU Not Detected
Hi I'm trying to build a self balancing robot using my esp32 cam, but so far I haven't been able to setup my mpu6050 with it.I'm using the adafruit libraries with the given example sketches.
The only ...
- 219
0
votes
0
answers
369
views
Help with ESP32-CAM "AI THINKER" module
I'm trying to make a RC car (with a surveillance camera if possible, using the web-cam code that comes with the ESP library) using a ESP-32 CAM as a wifi module to control the car using my computer. ...
1
vote
0
answers
2k
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Wemos d1 mini code not uploading
I have a wemos d1 mini. I uploaded a code in wemos d1 mini and after that my wemos mini not working. I tried to upload another code in it even the led blink sketch and even a blank sketch but whenever ...
- 11
-1
votes
1
answer
59
views
I get an error?
void setup()
{
Serial.begin(9600);
pinMode(13,OUTPUT);
}
void loop() {
if(Serial.available()>0)
{s_num =Serial.read();}
if(s_num=='0'){
digitalWrite(13,HIGH);
delay(100); //the specified time for 0
...
-1
votes
2
answers
7k
views
Arduino sketch uses too much memory storage space?
I've never used arduino before but am using one for a school project. I am using an arduino leonardo and I've uploaded the sample code below
#include "Adafruit_CCS811.h"
Adafruit_CCS811 ccs;
...
1
vote
1
answer
3k
views
I get an error saying, "exit status 1 expected initializer before 'void'." [closed]
I will be wiring a switch to the Arduino that controls the voltage. When the I turn the switch it can adjust the voltage from 0 to 5. The overall task is to print the output voltage. The print is to ...
- 19
1
vote
1
answer
2k
views
ESPTool 3-run stub fail error
I'm trying to program my NodeMCU ESP8266 ESP-12E module with AT commands. However, whenever I try and flash to my ESP8266 using ESPTool, I get a 3-run stub fail error. Can anyone tell me why I get ...
0
votes
2
answers
57
views
New to Arduino and I have a WIP code for a class. ERROR with LEDs working?
(EDIT) My goal with this code is to use two potentiometers, pot0 and pot1 respectively, to control 8 leds. Pot0 controls which sequence the leds are running (1, 2, or 3) and pot1 controls which LEDs ...
- 13
0
votes
1
answer
986
views
Im having another problem with my code the error is "redefinition of 'AF_DCMotor motor'? [duplicate]
Heres the code
#include <AFMotor.h>
AF_DCMotor motor(1, MOTOR12_8KHZ);
AF_DCMotor motor(2, MOTOR12_8KHZ);
AF_DCMotor motor(3, MOTOR34_1KHZ);
void setup() {
Serial.begin(9600);
Serial....
- 13