Questions tagged [reset]
Use this tag for discussing resetting the processor.
96
questions
0
votes
1answer
58 views
ESP8266-01 Resetting when DC motor runs
DC motor: 3-6v
Servo sg90: 3-7.2v
Esp 8266 01: 3.3v
I have 2 Arduino Uno both has their own ac-dc power adapter.
Lets say, 1st Arduino is Ard1 and 2nd is Ard2.
The Ard1 communicates to a web ...
1
vote
1answer
57 views
ESP8266 reseted due to relay / AC plugged
My Wemos card is reseting for unknown reason. For example, the pump plugged on the relay works fine till 1am and then the pump stop. After a few research I figured out the ESP should reset because all ...
0
votes
2answers
33 views
Resetting Arduino UNO code (newbie)
So today I started to learn Arduino uno. I have an LM35 temperature sensor and I got what I needed from it. Now it's just keep calculating till I plug it off.
I know there is a reset button. When I ...
0
votes
0answers
53 views
Infinite loop if Serial.println() is not used
I'm trying to reset my program from software using the third method described here: Reset an Arduino Uno in code
The function is basically showing some data on an OLED display and afterwards should ...
0
votes
0answers
42 views
Motor keeps spinning crazily after UNO board reset
I'm using a NEMA 17 stepper motor with A4988 motor driver and Arduino Uno board. I have used full microstepping (1/16th, so one revolution = 3200 steps).
I'm coming across this strange problem. ...
0
votes
0answers
49 views
How to unbrick an ATtiny45?
I'm using an Arduino Uno as ISP Programmer to program a standalone ATTiny45 on a breadboard.
Usually it works well, but I just uploaded a code like this:
void setup() {
pinMode(0, OUTPUT); # pin ...
0
votes
1answer
40 views
How can I clear the memory of my Arduino in this case?
I have made a code using involving HID control. But it seems that I messed up, but I can't upload a new sketch(nor edit the wrong code), because my Arduino is constantly doing things like Ctrl+Alt+...
-1
votes
1answer
57 views
Why should I connect GND to RST to send data through Rx using USB-TTL?
I've found that when I use Arduino Nano connected with USB everything is working great, and when I tryed to use it with USB to TTL connector I've understood that I can only read data. I tryed to ...
0
votes
0answers
26 views
Resetting the MEGA 2560 board [duplicate]
I'm a high school student working on a robot arm project that uses an arduino board.
I had uploaded my previous program to my board, but I've since changed my code and want to reset the board, but I ...
0
votes
1answer
245 views
Nano 33 IoT rescue from the dead: No USB. No upload mode
First of all: my board used to work fine.
Now my Nano 33 IoT turns ON (green light) when connected to USB on Mac but:
doesn't enter in upload mode after pressing twice on board button.
doesn't shows ...
0
votes
1answer
89 views
Deep Sleep Reset with Shock Sensor
I am trying to design a circuit that wakes my ESP8266 (Wemos D1 Mini) from deep sleep using a shock sensor. I can achieve this using the reset pin but I need
it to ignore further requests to reset to ...
0
votes
2answers
46 views
nodemcu GPIO6 clock
is there a way that i can declare gpio6 (CLK) as an input without getting a wdt reset? I'm somewhat new to circuitry, but my boss wants to use it(GPIO6) to talk with external devices. I have more ...
0
votes
2answers
54 views
Reset arduino nano after disabling tx/rx
I know, i am a bit dummy sometimes and i don't know why i actually did this but here it is. I have an arduino nano and i want it to use an external power via the the Vin port using a 12V external ...
1
vote
0answers
299 views
How to enable auto reset in Arduino Leonardo?
I am trying to program an ATMega32u4 microcontroller through arduino IDE. I have added external oscillator(16Mhz) and capacitors and few other connections according to the Schematic. I had put a ...
0
votes
0answers
84 views
Unable to upload to Arduino Uno From Raspberry Pi
I am trying to upload code to my Arduino Uno from my Raspberry Pi 3B+ and have been following this guide.
After following the instructions and trying to upload, I received this error message.
pi@...
1
vote
1answer
444 views
Firmware backup and restore
I need to have the firmware stored somewhere on the board in order to get back to it after flashing a new firmware.
Is there a way to store a backup of the firmware somewhere, and use a button to ...
0
votes
1answer
80 views
Reset Button not working + Can't Upload code , What is wrong?
I was testing and debugging a code I wrote for a robot with 3 stepper motors on (Arduino Uno + CNCShield V3 + a4988 stepper drivers). I want to disable drivers at will. so I bypassed EN pin on 2 of ...
0
votes
2answers
336 views
ESP12E Soft WDT reset stack trace leads to libraries
Im using ESP12E DevKit v2 (esp8266 wifi module) board for controlling relays and displaying DHT22 temp,humidity on web server.
It runs smoothly when the web client is closed but when i leave the ...
1
vote
0answers
251 views
Cant get rid of Soft WDT reset using ESP8266
Im using ESP12E DevKit v2 (esp8266 wifi module) board for controlling relays and displaying DHT22 temp,humidity on web server. It runs smoothly but after while i always get a watchdog timer reset. (If ...
1
vote
2answers
92 views
Store value in EEPROM to perform different actions on reset?
I want the same button to wake up (reset) and put it to sleep but this is hard if the button is tied directly to the rst pin. My thought was to read and store a value in EEPROM so tell the chip what ...
0
votes
2answers
718 views
AVR software reset without watchdog
I wrote a generic avr program wrapper which already use the watchdog timer to restart - and after the watchdog reset - recover the the bad situation.
After this recover process i have to restart the ...
0
votes
1answer
1k views
Nodemcu 1.0 and boot mode (1,6) after soft reset
I have a problem with a nodemcu 1.0 (lolin) board. Sometime a soft reset is performed from the watchdog and the board freezes in boot mode (1,6) (I have to manually reset the board to restart it).
I ...
1
vote
1answer
57 views
Arduino Resetting in Automotive Application
I have a complicated problem with my Arduino circuit being reset/crashing, I will try to describe the best I can.
The Setup:
Basically I have a Arduino 328P circuit that is monitoring some ...
5
votes
2answers
817 views
Power on reset with arduino uno can never happen. Can this be fixed?
When an Arduino Uno is powered on, the USB chip's DTR output pin may (is, in fact) low for a while. This means that the capacitor C5 is connected from the 328p reset pin to ground. Thus, when power ...
2
votes
1answer
356 views
Triggering a soft reset (Arduino Leonardo)
I want to trigger a soft reset on my Arduino Leonardo, and after some searching settled on using the watchdog timer, as it seemed to be the easiest and cleanest way to do it.
However, I don't think ...
0
votes
2answers
1k views
D1 mini does not resume operation as expected after deep sleep
I'm trying to get the D1 mini to return operation after ESP.deepsleep(). The code below compiles and gives the expected output for the first run. Five seconds after the announcement that that the ...
0
votes
1answer
708 views
Arduino Pro Micro bricked?
I have a Pro Micro board at which tried to upload a sketch with sparkfun's Pro Micro 3.3v processor selected.
After the upload completed successfully the board did not run again and is not even ...
1
vote
1answer
3k views
ESP8266 - Sending a software Reset Command
I have an ESP8266 running an Arduino code to control a dual relay device ( Up, Down, Off ), both from a physical switch and MQTT commands. After mounting the device in place I have no access in case ...
0
votes
3answers
79 views
Is it possible to insert your own routine into the Reset procedure
I'm working with ATmega328 NANO boards, and I would like to know if it is possible to INSERT my own routine, to be included in the things done during reset, BEFORE any pre-C initialization is done, ...
2
votes
1answer
60 views
Using external reset to trigger radio receipt
I am designing a low-power RF application using an ATTiny (Adafruit Trinket).
When the system receives a radio signal, it needs to read some sensors, and transmit with that data. Because I am short ...
0
votes
0answers
72 views
Motor unexpectedly moving at reset
I'm playing with the standard L298N motor board and Arduino MKR 1000. However something strange happens: when I upload a new firmware and when I turn on the Arduino power supply (every time Arduino ...
1
vote
3answers
2k views
Using attachInterrupt() to make a reset button for my code?
I have used attachInterrupt() to reset my program to the beginning. It actually interrupts while running the 3 states as shown below inside of the if statement but when I press the actual button it ...
2
votes
1answer
175 views
Arduino(s) not resetting on Serial connection lost / re-established - why?
it seems that I accidentally found a way to make my two Arduino nano clones run without resetting on serial connection close/reconnect. On one hand, this behavior is much closer to the desired ...
0
votes
0answers
146 views
Loop being restarted before it finishes?
I have a Loop process that does various I/O and delay operations and also logs to the serial port so that we can review the activity.
We what I think is the loop being interrupted. Normally the ...
0
votes
2answers
435 views
ATmega 2560 with Arduino bootloader running issue
I have designed a board based on an ATmega2560 chip and I burned the bootloader by following this tutorial.
Now I am able to load Blinky and other programs using an FTDI cable. But the issue I am ...
1
vote
1answer
2k views
Arduino Due not executing code after power on
My Arduino Due does not execute its code when powered on after being powered off for ten seconds or longer. I have to press the reset button for the code to execute.
I've read some older threads ...
2
votes
1answer
192 views
How to prevent optocoupler to activate when resetting the arduino? [closed]
From various example on how to use optocouplers ( eg 4N25) I gathered that they
work in inverted way meaning that for the optocoupler to output a signal,
the input LED must be OFF.
This is very easy ...
0
votes
2answers
266 views
3.3 V Pro Micro clones flashing LEDs after 1200 bit/s touch
I have several Pro Micro clones.
This morning I uploaded a sketch into one of them (that was previously unprogrammed, so it stayed in bootloader mode) and when I wanted to upload the sketch a second ...
-3
votes
2answers
3k views
Reset Arduino Uno R3
I have an Arduino Uno R3 board and I compiled a test code. But now I'm trying to delete it. There are many tutorials with the same way, that is rewrite BLANK CODE. But it's not the genuine way. I want ...
2
votes
1answer
102 views
Why does the Leonardo take 8 seconds to restart?
My problem is, that my system takes 8 seconds to start the programm after I push the Reset button on my Leonardo.
During that period the L-LED is pulsating.
What could be the problem?
0
votes
1answer
411 views
Reconnect to I2C with a different address (ATTiny85)
My project requires to reconnect to an I2C bus as a slave. I can't reset my ATTiny physically because I2C + my project + a pin to trigger the reset isn't possible due to the limited amount of pins ...
0
votes
1answer
1k views
How to keep a pin LOW for a small amount of time after pushing a button and while device is booting?
Context
I keep the board in deepsleep mode and want to wake it with different buttons. I need to know which button has been pushed on boot. The board is immediately put back in deepsleep mode ...
1
vote
1answer
156 views
How to reset an arduino while being able to know which button has been pressed?
Context
I keep the board in sleep mode and want to wake it with different buttons. I need to know which button has been pushed on boot.
In the following schematic, SW-R is actually used to reset the ...
3
votes
2answers
157 views
Why is there a limitation in using Serial.println on ESP8266?
I'm trying to upload this code on ESP8266, and when I do, it just resets continuously. This also happens when you have memory bugs, but obviously, this code has no memory bugs! Here is the code:
#...
1
vote
1answer
2k views
How to keep a 24 hour maximum and minimum temperature
I am keeping a simple weather station to monitor humidity and temperature in my greenhouse. I have a ds18b20 and dht probes. everything works great and I even used a little trick to hold my maximum ...
-1
votes
1answer
410 views
Using Thinger.io Wifi together with HX711 library soft resets ESP8266 (NodeMCU)
I'm trying to get my NodeMCU v1.0 board to read from a load cell connected to a HX711 amplifier and send the data through Wifi to Thinger.io. I managed to make the readings from HX711, works perfectly....
0
votes
2answers
1k views
Pressing reset button restarts program only seconds latter
I am wondering why after pressing the reset button on my Arduino, the latest program loaded runs but only after about 5seconds. The same thing happen when I run my arduino from the computer using the ...
6
votes
1answer
206 views
Why do MEGA2560 digital pins go high on serial disconnect?
I'm trying to set up a system using an that delivers a specific number of digital pulses to a device using one of the digital pins. The number of pulses delivered is specified over a the Mega's USB ...
0
votes
0answers
481 views
Arduino Uno R3 keeps on resetting within void setup() itself
This problem is very recent as I have run the program (standard SHT10 sensor code) successfully many times. But now, all of a sudden, my program keeps repeating void setup() statements and does not ...
3
votes
1answer
3k views
Disable Reset when Com Port Connected/Disconnected
I've noticed that when I open and close the com port my Arduino is connected to, the device resets. This makes the program run the setup profile again and it loses the previous variable states. Is ...
